/* ============================================================
   BOOKING SYSTEM — Reservation + Payment Design System
   Hibrit: Açık tema + Avis kırmızı vurgu + dark mode
   ============================================================ */

/* -----------------------------------------------------------
   1. DESIGN TOKENS
   ----------------------------------------------------------- */

:root {
    /* Brand — tema panelinden seçilen renge uyar (varsayılan: AVIS kırmızısı) */
    --brand-red: var(--theme-primary, #dc2626);
    --brand-red-hover: color-mix(in srgb, var(--theme-primary, #dc2626) 82%, black);
    --brand-red-soft: color-mix(in srgb, var(--theme-primary, #dc2626) 6%, white);
    /* Kullanıcı talebiyle tüm kırmızı/renkli "glow" gölgeleri kaldırıldı —
       bu değişkeni kullanan her box-shadow artık tamamen saydam. */
    --brand-red-glow: transparent;
    /* Ink (text) */
    --ink-900: #0f172a;
    --ink-700: #334155;
    --ink-600: #475569;
    --ink-500: #64748b;
    --ink-400: #94a3b8;
    --ink-300: #cbd5e1;
    --ink-200: #e2e8f0;
    --ink-100: #f1f5f9;
    /* Surfaces */
    --paper: #ffffff;
    --paper-2: #fafbfc;
    --bg: #f8fafc;
    --bg-elevated: #ffffff;
    --border: #e2e8f0;
    --border-strong: #cbd5e1;
    /* States */
    --success: #16a34a;
    --success-soft: #dcfce7;
    --warning: #ea580c;
    --warning-soft: #fff7ed;
    --info: #0284c7;
    --info-soft: #e0f2fe;
    --danger: #dc2626;
    --danger-soft: #fee2e2;
    /* Spacing */
    --s-1: 4px;
    --s-2: 8px;
    --s-3: 12px;
    --s-4: 16px;
    --s-5: 20px;
    --s-6: 24px;
    --s-7: 32px;
    --s-8: 40px;
    --s-9: 48px;
    --s-10: 64px;
    /* Radius */
    --r-xs: 6px;
    --r-sm: 8px;
    --r-md: 12px;
    --r-lg: 16px;
    --r-xl: 20px;
    --r-2xl: 28px;
    --r-full: 9999px;
    /* Shadows (yumuşak çok katmanlı) */
    --shadow-xs: 0 1px 2px rgba(15, 23, 42, 0.04);
    --shadow-sm: 0 2px 4px rgba(15, 23, 42, 0.04), 0 1px 2px rgba(15, 23, 42, 0.06);
    --shadow-md: 0 4px 12px rgba(15, 23, 42, 0.06), 0 2px 4px rgba(15, 23, 42, 0.04);
    --shadow-lg: 0 12px 24px rgba(15, 23, 42, 0.08), 0 4px 8px rgba(15, 23, 42, 0.04);
    --shadow-xl: 0 24px 48px rgba(15, 23, 42, 0.12), 0 8px 16px rgba(15, 23, 42, 0.06);
    --shadow-glow: 0 0 0 4px var(--brand-red-glow);
    /* Typography */
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --fs-xs: 12px;
    --fs-sm: 13px;
    --fs-base: 14px;
    --fs-md: 15px;
    --fs-lg: 17px;
    --fs-xl: 20px;
    --fs-2xl: 24px;
    --fs-3xl: 30px;
    --fs-4xl: 36px;
    /* Transitions */
    --t-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --t-base: 240ms cubic-bezier(0.4, 0, 0.2, 1);
    --t-slow: 400ms cubic-bezier(0.4, 0, 0.2, 1);
    --t-bounce: 480ms cubic-bezier(0.34, 1.56, 0.64, 1);
    /* Layout */
    --container-max: 1280px;
    --summary-w: 360px;
    --header-h: 68px;
    --rail-h: 88px;
}

/* Dark mode */

[data-theme="dark"] {
    --paper: #0f172a;
    --paper-2: #1e293b;
    --bg: #020617;
    --bg-elevated: #1e293b;
    --border: #334155;
    --border-strong: #475569;
    --ink-900: #f8fafc;
    --ink-700: #e2e8f0;
    --ink-600: #cbd5e1;
    --ink-500: #94a3b8;
    --ink-400: #64748b;
    --ink-300: #475569;
    --ink-200: #334155;
    --ink-100: #1e293b;
    --brand-red-soft: rgba(var(--theme-primary-rgb, 220, 38, 38), 0.12);
    --success-soft: rgba(22, 163, 74, 0.15);
    --warning-soft: rgba(234, 88, 12, 0.15);
    --info-soft: rgba(2, 132, 199, 0.15);
    --danger-soft: rgba(220, 38, 38, 0.15);
    --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.3), 0 1px 2px rgba(0, 0, 0, 0.2);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 12px 24px rgba(0, 0, 0, 0.5);
    --shadow-xl: 0 24px 48px rgba(0, 0, 0, 0.6);
}

/* -----------------------------------------------------------
   2. RESET / BASE
   ----------------------------------------------------------- */

*,
*::before,
*::after {
    box-sizing: border-box;
}

* {
    margin: 0;
    padding: 0;
}

html {
    height: 100%;
    -webkit-text-size-adjust: 100%;
    -webkit-tap-highlight-color: transparent;
    overflow-x: hidden;
}

body {
    font-family: var(--font-sans);
    font-size: var(--fs-base);
    line-height: 1.55;
    color: var(--ink-900);
    background: var(--bg);
    min-height: 100%;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    transition: background var(--t-base), color var(--t-base);
    scrollbar-gutter: stable;
}

[hidden] {
    display: none !important;
}

img,
svg {
    display: block;
    max-width: 100%;
}

button,
input,
select,
textarea {
    font: inherit;
    color: inherit;
}

button {
    cursor: pointer;
    border: 0;
    background: transparent;
}

a {
    color: var(--brand-red);
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

:focus-visible {
    outline: 2px solid var(--brand-red);
    outline-offset: 2px;
    border-radius: var(--r-xs);
}

/* -----------------------------------------------------------
   3. LAYOUT — APP SHELL
   ----------------------------------------------------------- */

.app-shell {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--s-5);
}

/* HEADER */

.bk-header {
    background: var(--paper);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 50;
    backdrop-filter: saturate(180%) blur(8px);
    transition: background var(--t-base), border-color var(--t-base);
}

.bk-header__inner {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--s-4);
    height: var(--header-h);
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    gap: var(--s-3);
}

.bk-header__inner::before {
    content: '';
    grid-column: 1;
}

.bk-logo {
    display: flex;
    align-items: center;
    gap: var(--s-3);
    grid-column: 2;
    justify-self: center;
    text-decoration: none;
}

.bk-logo__mark {
    font-size: 32px;
    font-weight: 800;
    color: var(--brand-red);
    letter-spacing: -0.5px;
    line-height: 1;
}

.bk-logo__sub {
    font-size: var(--fs-xs);
    color: var(--ink-500);
    font-weight: 500;
    border-left: 2px solid var(--border);
    padding-left: var(--s-3);
    margin-left: var(--s-1);
    line-height: 1.2;
    text-align: left;
}

.bk-logo__sub strong {
    color: var(--ink-900);
    display: block;
    font-size: var(--fs-sm);
    font-weight: 700;
}

.bk-header__actions {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-right: -4px;
    grid-column: 3;
    justify-self: end;
}

.bk-header__actions .btn--icon {
    width: 38px;
    height: 38px;
    flex-shrink: 0;
}

.bk-header__actions .btn--sm {
    padding: 6px 10px;
}

/* STEPS RAIL */

.steps-rail {
    background: var(--paper);
    border-bottom: 1px solid var(--border);
    padding: var(--s-5) var(--s-5);
    transition: background var(--t-base), border-color var(--t-base);
}

.steps-rail__inner {
    max-width: var(--container-max);
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: relative;
    gap: var(--s-2);
}

.steps-rail__line {
    position: absolute;
    left: 24px;
    right: 24px;
    top: 50%;
    height: 3px;
    background: var(--ink-200);
    border-radius: var(--r-full);
    z-index: 0;
    transform: translateY(-50%);
    overflow: hidden;
}

.steps-rail__line::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, var(--brand-red), var(--brand-red-hover));
    border-radius: var(--r-full);
    width: var(--rail-fill, 0%);
    transition: width var(--t-slow);
}

.step-node {
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--s-2);
    flex: 0 0 auto;
}

.step-node__dot {
    width: 48px;
    height: 48px;
    border-radius: var(--r-full);
    background: var(--paper);
    border: 2px solid var(--ink-200);
    color: var(--ink-400);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    font-weight: 600;
    transition: all var(--t-base);
    box-shadow: var(--shadow-xs);
}

.step-node__label {
    font-size: var(--fs-xs);
    font-weight: 600;
    color: var(--ink-500);
    text-align: center;
    line-height: 1.2;
    max-width: 90px;
    transition: color var(--t-base);
}

.step-node.is-active .step-node__dot {
    border-color: var(--brand-red);
    background: var(--brand-red);
    color: #fff;
    transform: scale(1.08);
    box-shadow: 0 0 0 6px var(--brand-red-glow), var(--shadow-md);
}

.step-node.is-active .step-node__label {
    color: var(--brand-red);
}

.step-node.is-done .step-node__dot {
    border-color: var(--success);
    background: var(--success);
    color: #fff;
}

.step-node.is-done .step-node__label {
    color: var(--ink-700);
}

/* MAIN GRID — sticky summary + step stage */

.bk-main {
    display: grid;
    grid-template-columns: var(--summary-w) 1fr;
    gap: var(--s-7);
    padding: var(--s-7) 0 120px;
    align-items: start;
}

.summary-panel {
    position: sticky;
    top: calc(var(--header-h) + var(--s-5));
    align-self: start;
}

.step-stage {
    min-width: 0;
}

/* -----------------------------------------------------------
   4. CARD
   ----------------------------------------------------------- */

.card {
    background: var(--paper);
    border: 1px solid var(--border);
    border-radius: var(--r-xl);
    box-shadow: var(--shadow-sm);
    transition: box-shadow var(--t-base), transform var(--t-base), border-color var(--t-base), background var(--t-base);
}

.card--pad {
    padding: var(--s-7);
}

.card--pad-sm {
    padding: var(--s-5);
}

.card--interactive {
    cursor: pointer;
}

.card--interactive:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
    border-color: var(--border-strong);
}

/* Vehicle tile discount badge */

.vehicle-tile {
    position: relative;
    overflow: hidden;
}

.vehicle-tile__discount-badge {
    position: absolute;
    top: var(--s-3);
    left: var(--s-3);
    z-index: 2;
    background: linear-gradient(135deg, #16a34a, #22c55e);
    color: #fff;
    font-size: 11px;
    font-weight: 700;
    padding: 6px 10px;
    border-radius: var(--r-md);
    box-shadow: 0 4px 12px rgba(34, 197, 94, 0.35);
    letter-spacing: 0.2px;
    line-height: 1.2;
}

.vehicle-tile__discount-badge i {
    margin-right: 4px;
}

.card--selected {
    border-color: var(--brand-red);
    box-shadow: 0 0 0 3px var(--brand-red-glow), var(--shadow-md);
}

/* -----------------------------------------------------------
   4b. MODERN VEHICLE CARD (.vcard) — index.php estetigiyle uyumlu
   ----------------------------------------------------------- */

.vcard {
    display: flex;
    flex-direction: column;
    overflow: hidden;
    padding: 0;
    height: 100%;
    border: 1px solid var(--border);
    border-radius: var(--r-lg, 18px);
    background: var(--bg-elevated);
    box-shadow: 0 10px 30px -18px rgba(15, 23, 42, 0.35);
    transition: transform var(--t-fast), box-shadow var(--t-fast), border-color var(--t-fast);
}

.vcard:hover {
    transform: translateY(-4px);
    box-shadow: 0 22px 48px -22px rgba(15, 23, 42, 0.5);
}

.vcard.card--selected {
    border-color: var(--success);
    box-shadow: 0 0 0 2px var(--success), 0 18px 40px -20px rgba(16, 185, 129, 0.55);
}

/* Medya / gorsel */

.vcard__media {
    position: relative;
    aspect-ratio: 16 / 10;
    background: var(--ink-100);
    overflow: hidden;
}

.vcard__img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform var(--t-slow);
}

.vcard:hover .vcard__img {
    transform: scale(1.07);
}

.vcard__scrim {
    position: absolute;
    inset: 0;
    z-index: 1;
    pointer-events: none;
    background: linear-gradient(180deg, rgba(15, 23, 42, 0) 38%, rgba(15, 23, 42, 0.20) 70%, rgba(15, 23, 42, 0.74) 100%), linear-gradient(90deg, rgba(15, 23, 42, 0.45) 0%, rgba(15, 23, 42, 0) 55%);
}

/* Gorsel ustu baslik + renk (sol alt) */

.vcard__overlay {
    position: absolute;
    left: var(--s-4);
    right: var(--s-4);
    bottom: var(--s-3);
    z-index: 2;
    display: flex;
    flex-direction: column;
    gap: 3px;
}

.vcard__title {
    font-size: var(--fs-lg);
    font-weight: 800;
    color: #fff;
    line-height: 1.18;
    margin: 0;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.45);
}

.vcard__color {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: var(--fs-xs);
    font-weight: 600;
    color: rgba(255, 255, 255, 0.92);
    text-shadow: 0 1px 6px rgba(0, 0, 0, 0.45);
}

.vcard__color i {
    color: #fff;
    opacity: 0.9;
}

/* Segment rozeti (sol ust) */

.vcard__badge {
    position: absolute;
    top: var(--s-3);
    left: var(--s-3);
    z-index: 3;
    display: inline-flex;
    align-items: center;
    background: rgba(15, 23, 42, 0.72);
    color: #fff;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.3px;
    padding: 5px 11px;
    border-radius: var(--r-full);
    backdrop-filter: blur(4px);
    text-transform: capitalize;
}

/* TAM KASKO pili (sag ust) */

.vcard__kasko {
    position: absolute;
    top: var(--s-3);
    right: var(--s-3);
    z-index: 3;
    display: inline-flex;
    align-items: center;
    gap: 5px;
    background: rgba(255, 255, 255, 0.95);
    color: #15803d;
    font-size: 11px;
    font-weight: 800;
    letter-spacing: 0.3px;
    padding: 5px 11px;
    border-radius: var(--r-full);
    box-shadow: 0 4px 12px rgba(15, 23, 42, 0.18);
}

.vcard__kasko i {
    font-size: 12px;
}

/* Indirim seridi (sag alt) */

.vcard__ribbon {
    position: absolute;
    bottom: var(--s-3);
    right: var(--s-3);
    z-index: 3;
    display: inline-flex;
    align-items: center;
    gap: 5px;
    background: linear-gradient(135deg, #e11d48, #be123c);
    color: #fff;
    font-size: 11px;
    font-weight: 800;
    padding: 5px 11px;
    border-radius: var(--r-full);
    box-shadow: none;
}

/* Govde */

.vcard__body {
    display: flex;
    flex-direction: column;
    gap: var(--s-3);
    padding: var(--s-4);
    flex: 1;
}

/* Spec cipleri */

.vcard__specs {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-wrap: wrap;
    gap: var(--s-2);
}

.vcard__spec {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: var(--ink-100);
    color: var(--ink-700);
    font-size: var(--fs-xs);
    font-weight: 600;
    padding: 6px 11px;
    border-radius: var(--r-sm);
    line-height: 1;
}

.vcard__spec i {
    color: var(--brand-red);
    font-size: 12px;
}

/* Kasko / Depozito bilgi butonlari */

.vcard__infos {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--s-2);
}

.vcard__info {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 7px;
    width: 100%;
    background: var(--bg-elevated);
    color: var(--ink-700);
    border: 1px solid var(--border);
    font-size: var(--fs-xs);
    font-weight: 700;
    padding: 9px 10px;
    border-radius: var(--r-md);
    cursor: pointer;
    transition: background var(--t-fast), color var(--t-fast), border-color var(--t-fast), transform var(--t-fast);
}

.vcard__info i {
    color: var(--brand-red);
    font-size: 13px;
    transition: color var(--t-fast);
}

.vcard__info:hover {
    background: color-mix(in srgb, var(--brand-red) 12%, var(--bg-elevated));
    border-color: var(--brand-red);
    color: var(--brand-red);
    transform: translateY(-1px);
}

.vcard__info:hover i {
    color: var(--brand-red);
}

/* Footer: fiyat + CTA */

.vcard__footer {
    margin-top: auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--s-3);
    padding-top: var(--s-3);
    border-top: 1px dashed var(--border);
}

.vcard__price {
    display: flex;
    flex-direction: column;
    line-height: 1.15;
    min-width: 0;
}

.vcard__price-label {
    font-size: var(--fs-xs);
    color: var(--ink-500);
}

.vcard__price-old {
    font-size: var(--fs-xs);
    color: var(--ink-400);
    text-decoration: line-through;
}

.vcard__price-val {
    font-size: var(--fs-2xl);
    font-weight: 800;
    color: var(--brand-red);
}

.vcard__cta {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--brand-red);
    color: #fff;
    font-size: var(--fs-base);
    font-weight: 700;
    padding: 10px 18px;
    border-radius: var(--r-md);
    white-space: nowrap;
    cursor: pointer;
    transition: background var(--t-fast), transform var(--t-fast), box-shadow var(--t-fast);
    box-shadow: 0 6px 16px -6px var(--brand-red);
}

.vcard__cta i {
    transition: transform var(--t-fast);
}

.vcard__cta:hover {
    background: var(--brand-red-hover);
    transform: translateY(-1px);
}

.vcard__cta:hover i {
    transform: translateX(3px);
}

.vcard.card--selected .vcard__cta {
    background: var(--success);
    box-shadow: none;
}

@media (max-width: 600px) {
    .vcard__title {
        font-size: var(--fs-md);
    }
    .vcard__price-val {
        font-size: var(--fs-xl);
    }
    .vcard__cta {
        padding: 9px 14px;
    }
    .vcard__info {
        font-size: 11px;
        padding: 9px 8px;
    }
}

.card__title {
    font-size: var(--fs-xl);
    font-weight: 700;
    color: var(--ink-900);
    margin-bottom: var(--s-2);
    display: flex;
    align-items: center;
    gap: var(--s-3);
}

.card__title i {
    color: var(--brand-red);
    font-size: 22px;
}

.card__desc {
    font-size: var(--fs-base);
    color: var(--ink-600);
    margin-bottom: var(--s-5);
}

/* -----------------------------------------------------------
   5. BUTTONS
   ----------------------------------------------------------- */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--s-2);
    padding: 12px 20px;
    border-radius: var(--r-md);
    font-size: var(--fs-base);
    font-weight: 600;
    line-height: 1.2;
    cursor: pointer;
    border: 1px solid transparent;
    transition: all var(--t-fast);
    position: relative;
    overflow: hidden;
    user-select: none;
    white-space: nowrap;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn:not(:disabled):hover {
    transform: translateY(-1px);
}

.btn:not(:disabled):active {
    transform: translateY(0);
}

.btn--primary {
    background: var(--brand-red);
    color: #fff;
    box-shadow: 0 2px 6px var(--brand-red-glow);
}

.btn--primary:not(:disabled):hover {
    background: var(--brand-red-hover);
    box-shadow: 0 6px 16px var(--brand-red-glow);
}

.btn--secondary {
    background: var(--paper);
    color: var(--ink-700);
    border-color: var(--border);
}

.btn--secondary:not(:disabled):hover {
    background: var(--ink-100);
    border-color: var(--border-strong);
}

.btn--ghost {
    background: transparent;
    color: var(--ink-600);
}

.btn--ghost:not(:disabled):hover {
    background: var(--ink-100);
    color: var(--ink-900);
}

.btn--icon {
    width: 40px;
    height: 40px;
    padding: 0;
    border-radius: var(--r-full);
    background: var(--ink-100);
    color: var(--ink-700);
}

.btn--icon:not(:disabled):hover {
    background: var(--ink-200);
}

.btn--lg {
    padding: 16px 28px;
    font-size: var(--fs-md);
    border-radius: var(--r-lg);
}

.btn--xl {
    padding: 18px 32px;
    font-size: var(--fs-lg);
    border-radius: var(--r-lg);
}

.btn--block {
    width: 100%;
}

.btn--pulse {
    animation: btn-pulse 2s ease-in-out infinite;
}

@keyframes btn-pulse {
    0%,
    100% {
        box-shadow: 0 2px 6px var(--brand-red-glow);
    }
    50% {
        box-shadow: 0 0 0 8px transparent, 0 6px 20px var(--brand-red-glow);
    }
}

/* Ripple */

.btn .ripple {
    position: absolute;
    border-radius: 50%;
    transform: scale(0);
    animation: ripple-anim 600ms ease-out;
    background: rgba(255, 255, 255, 0.5);
    pointer-events: none;
}

.btn--secondary .ripple,
.btn--ghost .ripple,
.btn--icon .ripple {
    background: rgba(15, 23, 42, 0.12);
}

@keyframes ripple-anim {
    to {
        transform: scale(4);
        opacity: 0;
    }
}

/* -----------------------------------------------------------
   6. FORM — Floating label fields
   ----------------------------------------------------------- */

.field {
    position: relative;
    margin-bottom: var(--s-4);
}

.field__input,
.field__select,
.field__textarea {
    width: 100%;
    padding: 22px 16px 8px;
    border: 1.5px solid var(--border);
    border-radius: var(--r-md);
    background: var(--paper);
    color: var(--ink-900);
    font-size: var(--fs-md);
    transition: border-color var(--t-fast), box-shadow var(--t-fast), background var(--t-base);
    appearance: none;
    -webkit-appearance: none;
}

.field__select {
    padding-right: 40px;
    background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'><path fill='%23475569' d='M6 8L0 0h12z'/></svg>");
    background-repeat: no-repeat;
    background-position: right 16px center;
}

.field__input:focus,
.field__select:focus,
.field__textarea:focus {
    outline: none;
    border-color: var(--brand-red);
    box-shadow: 0 0 0 4px var(--brand-red-glow);
}

.field__label {
    position: absolute;
    left: 16px;
    top: 16px;
    font-size: var(--fs-md);
    color: var(--ink-500);
    pointer-events: none;
    transition: all var(--t-fast);
    background: transparent;
    padding: 0 4px;
}

.field__input:focus+.field__label,
.field__input:not(:placeholder-shown)+.field__label,
.field__select:focus+.field__label,
.field__select:not([data-empty="true"])+.field__label,
.field--filled .field__label,
.field--focused .field__label {
    top: 6px;
    font-size: var(--fs-xs);
    color: var(--brand-red);
    font-weight: 600;
}

.field__hint {
    font-size: var(--fs-xs);
    color: var(--ink-500);
    margin-top: 6px;
    padding-left: 4px;
    min-height: 16px;
    transition: color var(--t-fast);
}

.field--error .field__input,
.field--error .field__select {
    border-color: var(--danger);
    box-shadow: 0 0 0 4px var(--danger-soft);
}

.field--error .field__hint {
    color: var(--danger);
    font-weight: 500;
}

.field--error .field__input,
.field--error .field__select {
    animation: shake 0.4s;
}

@keyframes shake {
    0%,
    100% {
        transform: translateX(0);
    }
    25% {
        transform: translateX(-4px);
    }
    75% {
        transform: translateX(4px);
    }
}

/* Eksik/zorunlu alan dikkat çekme — yanıp sönme */

.field--blink .field__input,
.field--blink .field__select {
    animation: field-blink 0.55s ease-in-out 3;
    border-color: var(--danger) !important;
}

@keyframes field-blink {
    0%,
    100% {
        box-shadow: 0 0 0 0 rgba(239, 68, 68, 0);
        border-color: var(--danger);
    }
    50% {
        box-shadow: 0 0 0 5px var(--danger-soft);
        border-color: var(--danger);
        background: rgba(239, 68, 68, 0.06);
    }
}

/* Adres alanı + sağ aksiyon butonu (konumumu kullan) */

.field--with-action {
    position: relative;
}

.field--with-action .field__input {
    padding-right: 56px;
}

.field__action-btn {
    position: absolute;
    top: 50%;
    right: 8px;
    transform: translateY(-50%);
    width: 40px;
    height: 40px;
    border-radius: 10px;
    border: none;
    background: linear-gradient(135deg, #2563eb, #3b82f6);
    color: #fff;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    box-shadow: 0 4px 10px rgba(37, 99, 235, 0.25);
    transition: transform .15s ease, box-shadow .15s ease, background .2s ease;
}

.field__action-btn:hover {
    transform: translateY(-50%) scale(1.05);
    box-shadow: 0 6px 14px rgba(37, 99, 235, 0.35);
}

.field__action-btn:active {
    transform: translateY(-50%) scale(0.96);
}

.field__action-btn.is-loading {
    background: linear-gradient(135deg, #6b7280, #9ca3af);
    pointer-events: none;
}

.field__action-btn.is-loading i {
    animation: spin 0.9s linear infinite;
}

.field__action-btn.is-success {
    background: linear-gradient(135deg, #16a34a, #22c55e);
}

@keyframes spin {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

/* Google Places autocomplete dropdown — z-index emniyeti */

.pac-container {
    z-index: 99999 !important;
    border-radius: 12px !important;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15) !important;
    border: 1px solid var(--border) !important;
    margin-top: 4px;
}

/* KAB\u0130S kilitli alanlar */

.field__input--locked {
    background: rgba(34, 197, 94, 0.06) !important;
    border-color: rgba(34, 197, 94, 0.45) !important;
    color: var(--ink-900);
    cursor: not-allowed;
    padding-right: 92px;
}

.field__input--locked:focus {
    box-shadow: 0 0 0 3px rgba(34, 197, 94, 0.15) !important;
}

.field__lock-badge {
    position: absolute;
    top: 50%;
    right: 10px;
    transform: translateY(-50%);
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 3px 8px;
    border-radius: 999px;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: .3px;
    color: #fff;
    background: linear-gradient(135deg, #16a34a, #22c55e);
    box-shadow: 0 2px 6px rgba(22, 163, 74, 0.35);
    pointer-events: none;
}

.field__lock-badge i {
    font-size: 10px;
}

/* --- "E-posta kullanmıyorum" tercihi: alanı isteğe bağlıya çevirir --- */

.field__optout-row {
    display: flex;
    justify-content: flex-end;
    margin-top: -2px;
}

.field__optout {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 5px 11px 5px 8px;
    border: 1px solid var(--ink-200);
    border-radius: 999px;
    background: transparent;
    color: var(--ink-500);
    font-family: inherit;
    font-size: 12px;
    font-weight: 600;
    line-height: 1;
    cursor: pointer;
    transition: color var(--t-fast), border-color var(--t-fast), background var(--t-fast);
}

.field__optout:hover {
    border-color: var(--ink-300);
    color: var(--ink-600);
}

.field__optout-box {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 15px;
    height: 15px;
    border: 1.5px solid var(--ink-300);
    border-radius: 4px;
    transition: background var(--t-fast), border-color var(--t-fast);
}

.field__optout-box i {
    font-size: 8px;
    color: #fff;
    opacity: 0;
    transition: opacity var(--t-fast);
}

.field__optout[aria-pressed="true"] {
    border-color: rgba(22, 163, 74, 0.45);
    background: var(--success-soft);
    color: #15803d;
}

.field__optout[aria-pressed="true"] .field__optout-box {
    border-color: var(--success);
    background: var(--success);
}

.field__optout[aria-pressed="true"] .field__optout-box i {
    opacity: 1;
}

.field--optedout .field__input {
    background: var(--ink-100);
    border-color: var(--ink-200);
    color: var(--ink-400);
    cursor: not-allowed;
}

.field--optedout .field__label {
    color: var(--ink-400);
}

.field__icon {
    position: absolute;
    right: 16px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--ink-400);
    font-size: 16px;
    pointer-events: none;
}

/* Switch */

.switch {
    position: relative;
    display: inline-flex;
    align-items: center;
    cursor: pointer;
    gap: var(--s-3);
}

.switch__input {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

.switch__slider {
    width: 44px;
    height: 24px;
    background: var(--ink-300);
    border-radius: var(--r-full);
    position: relative;
    transition: background var(--t-fast);
    flex-shrink: 0;
}

.switch__slider::after {
    content: '';
    position: absolute;
    top: 2px;
    left: 2px;
    width: 20px;
    height: 20px;
    background: #fff;
    border-radius: 50%;
    transition: transform var(--t-base);
    box-shadow: var(--shadow-sm);
}

.switch__input:checked+.switch__slider {
    background: var(--brand-red);
}

.switch__input:checked+.switch__slider::after {
    transform: translateX(20px);
}

.switch__label {
    font-size: var(--fs-base);
    color: var(--ink-700);
    font-weight: 500;
}

/* Checkbox */

.checkbox {
    display: inline-flex;
    align-items: flex-start;
    gap: var(--s-3);
    cursor: pointer;
    user-select: none;
}

.checkbox__input {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

.checkbox__box {
    width: 22px;
    height: 22px;
    border: 2px solid var(--border-strong);
    border-radius: var(--r-xs);
    flex-shrink: 0;
    background: var(--paper);
    transition: all var(--t-fast);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: 1px;
}

.checkbox__box::after {
    content: '\f00c';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    color: #fff;
    font-size: 12px;
    opacity: 0;
    transform: scale(0.5);
    transition: all var(--t-fast);
}

.checkbox__input:checked+.checkbox__box {
    background: var(--brand-red);
    border-color: var(--brand-red);
}

.checkbox__input:checked+.checkbox__box::after {
    opacity: 1;
    transform: scale(1);
}

.checkbox__label {
    font-size: var(--fs-base);
    color: var(--ink-700);
    line-height: 1.5;
}

/* -----------------------------------------------------------
   7. CHIP / SEGMENTED
   ----------------------------------------------------------- */

.chip-group {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: var(--s-3);
    margin-bottom: var(--s-5);
}

.chip {
    padding: var(--s-4) var(--s-4);
    border: 1.5px solid var(--border);
    border-radius: var(--r-lg);
    background: var(--paper);
    color: var(--ink-700);
    font-weight: 600;
    font-size: var(--fs-base);
    cursor: pointer;
    text-align: center;
    transition: all var(--t-fast);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--s-2);
    line-height: 1.3;
}

.chip i {
    color: var(--ink-400);
    transition: color var(--t-fast);
}

.chip:hover {
    border-color: var(--ink-400);
    background: var(--ink-100);
}

.chip.is-active {
    border-color: var(--brand-red);
    background: var(--brand-red);
    color: #fff;
    box-shadow: 0 4px 12px var(--brand-red-glow);
}

.chip.is-active i {
    color: #fff;
}

.chip-tall {
    flex-direction: column;
    padding: var(--s-5);
    gap: var(--s-3);
    min-height: 120px;
}

.chip-tall i {
    font-size: 28px;
}

/* -----------------------------------------------------------
   8. SUMMARY PANEL
   ----------------------------------------------------------- */

.summary-panel__inner {
    background: var(--paper);
    border: 1px solid var(--border);
    border-radius: var(--r-xl);
    box-shadow: var(--shadow-md);
    overflow: hidden;
    transition: background var(--t-base), border-color var(--t-base);
}

.summary-panel__head {
    padding: var(--s-5);
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.summary-panel__title {
    font-size: var(--fs-md);
    font-weight: 700;
    color: var(--ink-900);
    display: flex;
    align-items: center;
    gap: var(--s-2);
}

.summary-panel__title i {
    color: var(--brand-red);
}

.summary-block {
    padding: var(--s-4) var(--s-5);
    border-bottom: 1px solid var(--border);
}

.summary-block:last-of-type {
    border-bottom: 0;
}

.summary-block__label {
    font-size: var(--fs-xs);
    color: var(--ink-500);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.4px;
    margin-bottom: var(--s-2);
}

.summary-block__value {
    font-size: var(--fs-base);
    color: var(--ink-900);
    font-weight: 500;
}

.summary-block__value strong {
    font-weight: 700;
}

.summary-block__sub {
    color: var(--ink-500);
    font-size: var(--fs-sm);
    margin-top: 2px;
}

.summary-vehicle {
    display: flex;
    align-items: center;
    gap: var(--s-3);
}

.summary-vehicle img {
    width: 64px;
    height: 48px;
    object-fit: cover;
    border-radius: var(--r-sm);
    background: var(--ink-100);
}

.summary-vehicle__name {
    font-weight: 700;
    color: var(--ink-900);
    font-size: var(--fs-base);
}

.summary-vehicle__price {
    font-size: var(--fs-xs);
    color: var(--ink-500);
    margin-top: 2px;
}

.summary-empty {
    color: var(--ink-400);
    font-size: var(--fs-sm);
    font-style: italic;
    padding: var(--s-3) 0;
}

.summary-price {
    background: linear-gradient(135deg, var(--brand-red-soft), transparent);
    padding: var(--s-5);
}

.summary-price__row {
    display: flex;
    justify-content: space-between;
    padding: var(--s-1) 0;
    font-size: var(--fs-sm);
    color: var(--ink-600);
}

.summary-price__row strong {
    color: var(--ink-900);
    font-weight: 600;
}

.summary-price__total {
    margin-top: var(--s-3);
    padding-top: var(--s-3);
    border-top: 1.5px dashed var(--border-strong);
    display: flex;
    justify-content: space-between;
    align-items: baseline;
}

.summary-price__total-label {
    font-size: var(--fs-base);
    font-weight: 600;
    color: var(--ink-700);
}

.summary-price__total-value {
    font-size: var(--fs-2xl);
    font-weight: 800;
    color: var(--brand-red);
    letter-spacing: -0.5px;
}

.summary-price__note {
    margin-top: var(--s-3);
    padding: var(--s-2) var(--s-3);
    background: rgba(34, 197, 94, 0.08);
    border-left: 3px solid #22c55e;
    border-radius: var(--radius-sm);
    font-size: 11.5px;
    line-height: 1.4;
    color: var(--ink-700);
    display: flex;
    align-items: flex-start;
    gap: var(--s-2);
}

.summary-price__note i {
    color: #16a34a;
    margin-top: 2px;
    flex-shrink: 0;
}

[data-theme="dark"] .summary-price__note {
    background: rgba(34, 197, 94, 0.12);
    color: var(--ink-600);
}

.summary-cta {
    padding: var(--s-4) var(--s-5);
    background: var(--paper-2);
    border-top: 1px solid var(--border);
}

/* -----------------------------------------------------------
   9. STEP STAGE — slide/fade transitions
   ----------------------------------------------------------- */

.stage-step {
    display: none;
    animation: stage-enter var(--t-slow) cubic-bezier(0.16, 1, 0.3, 1);
}

.stage-step.is-active {
    display: block;
}

@keyframes stage-enter {
    from {
        opacity: 0;
        transform: translateY(12px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* -----------------------------------------------------------
   10. TOAST
   ----------------------------------------------------------- */

.toast-stack {
    position: fixed;
    top: var(--s-5);
    right: var(--s-5);
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: var(--s-3);
    pointer-events: none;
    max-width: 360px;
}

.toast {
    background: var(--paper);
    color: var(--ink-900);
    border: 1px solid var(--border);
    border-left: 4px solid var(--ink-400);
    border-radius: var(--r-md);
    padding: var(--s-3) var(--s-4);
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: flex-start;
    gap: var(--s-3);
    pointer-events: auto;
    animation: toast-in var(--t-base);
    font-size: var(--fs-sm);
}

.toast--success {
    border-left-color: var(--success);
}

.toast--success .toast__icon {
    color: var(--success);
}

.toast--warning {
    border-left-color: var(--warning);
}

.toast--warning .toast__icon {
    color: var(--warning);
}

.toast--error {
    border-left-color: var(--danger);
}

.toast--error .toast__icon {
    color: var(--danger);
}

.toast--info {
    border-left-color: var(--info);
}

.toast--info .toast__icon {
    color: var(--info);
}

.toast__icon {
    font-size: 18px;
    flex-shrink: 0;
    margin-top: 1px;
}

.toast__body {
    flex: 1;
    line-height: 1.5;
}

.toast__close {
    color: var(--ink-400);
    font-size: 14px;
    padding: 4px;
}

.toast.is-leaving {
    animation: toast-out var(--t-base) forwards;
}

@keyframes toast-in {
    from {
        opacity: 0;
        transform: translateX(40px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes toast-out {
    to {
        opacity: 0;
        transform: translateX(40px);
    }
}

/* -----------------------------------------------------------
   11. SKELETON
   ----------------------------------------------------------- */

.skeleton {
    background: linear-gradient(90deg, var(--ink-100) 0%, var(--ink-200) 50%, var(--ink-100) 100%);
    background-size: 200% 100%;
    border-radius: var(--r-sm);
    animation: shimmer 1.4s ease-in-out infinite;
    color: transparent !important;
}

@keyframes shimmer {
    0% {
        background-position: 200% 0;
    }
    100% {
        background-position: -200% 0;
    }
}

.skeleton-card {
    border: 1px solid var(--border);
    border-radius: var(--r-xl);
    padding: var(--s-5);
    background: var(--paper);
}

.skeleton-card__img {
    height: 160px;
    border-radius: var(--r-md);
    margin-bottom: var(--s-4);
}

.skeleton-card__line {
    height: 14px;
    border-radius: var(--r-xs);
    margin-bottom: var(--s-2);
}

.skeleton-card__line--short {
    width: 60%;
}

/* -----------------------------------------------------------
   12. DIALOG (modal)
   ----------------------------------------------------------- */

.dialog-overlay {
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 42, 0.55);
    z-index: 1000;
    display: none;
    align-items: center;
    justify-content: center;
    padding: var(--s-5);
    animation: overlay-in var(--t-base);
    backdrop-filter: blur(4px);
}

.dialog-overlay.is-open {
    display: flex;
}

.dialog {
    background: var(--paper);
    border-radius: var(--r-2xl);
    box-shadow: var(--shadow-xl);
    max-width: 560px;
    width: 100%;
    max-height: 90vh;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    animation: dialog-in var(--t-bounce);
}

.dialog__head {
    padding: var(--s-5);
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--s-3);
}

.dialog__title {
    font-size: var(--fs-lg);
    font-weight: 700;
    color: var(--ink-900);
}

.dialog__body {
    padding: var(--s-6);
    overflow-y: auto;
    flex: 1;
}

.dialog__foot {
    padding: var(--s-4) var(--s-5);
    border-top: 1px solid var(--border);
    display: flex;
    justify-content: flex-end;
    gap: var(--s-3);
    background: var(--paper-2);
}

.dialog--tall {
    max-width: 720px;
    height: 85vh;
    max-height: 85vh;
}

.dialog--tall .dialog__body {
    padding: var(--s-5) var(--s-6);
}

.tos-loading {
    text-align: center;
    padding: var(--s-8) 0;
    color: var(--ink-500);
    font-size: var(--fs-sm);
}

.tos-content {
    font-size: var(--fs-sm);
    line-height: 1.7;
    color: var(--ink-700);
}

.tos-content h1,
.tos-content h2,
.tos-content h3 {
    color: var(--ink-900);
    margin: var(--s-5) 0 var(--s-3);
    font-weight: 700;
}

.tos-content h1 {
    font-size: var(--fs-xl);
}

.tos-content h2 {
    font-size: var(--fs-lg);
}

.tos-content h3 {
    font-size: var(--fs-md);
}

.tos-content p {
    margin-bottom: var(--s-3);
}

.tos-content ul,
.tos-content ol {
    margin: var(--s-3) 0 var(--s-3) var(--s-5);
}

.tos-content li {
    margin-bottom: var(--s-2);
}

.tos-content a {
    color: var(--brand-red);
}

.tos-error {
    text-align: center;
    padding: var(--s-6);
    color: var(--danger);
}

@keyframes overlay-in {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes dialog-in {
    from {
        opacity: 0;
        transform: scale(0.92) translateY(20px);
    }
    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

/* TC sorgu önizleme */

.tc-preview-alert {
    display: flex;
    align-items: flex-start;
    gap: var(--s-3);
    padding: var(--s-4);
    border-radius: var(--r-md);
    background: #ecfdf5;
    border: 1px solid #a7f3d0;
    color: #065f46;
    margin-bottom: var(--s-5);
}

.tc-preview-alert i {
    font-size: 20px;
    margin-top: 2px;
    color: #059669;
}

.tc-preview-compare {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--s-3);
    margin-bottom: var(--s-5);
}

@media (max-width: 560px) {
    .tc-preview-compare {
        grid-template-columns: 1fr;
    }
}

.tc-preview-compare__item {
    background: var(--paper-2);
    border: 1px solid var(--border);
    border-radius: var(--r-md);
    padding: var(--s-3) var(--s-4);
}

.tc-preview-compare__label {
    display: block;
    font-size: var(--fs-xs);
    color: var(--ink-500);
    text-transform: uppercase;
    letter-spacing: .04em;
    margin-bottom: var(--s-1);
}

.tc-preview-compare__value {
    font-size: var(--fs-md);
    font-weight: 700;
    color: var(--ink-900);
    font-variant-numeric: tabular-nums;
}

.tc-preview-grid {
    display: grid;
    gap: var(--s-2);
}

.tc-preview-row {
    display: grid;
    grid-template-columns: minmax(120px, 34%) 1fr;
    gap: var(--s-3);
    padding: var(--s-3) 0;
    border-bottom: 1px solid var(--border);
    font-size: var(--fs-sm);
}

.tc-preview-row:last-child {
    border-bottom: none;
}

.tc-preview-row__label {
    color: var(--ink-500);
    font-weight: 600;
}

.tc-preview-row__value {
    color: var(--ink-900);
    word-break: break-word;
}

/* TC onay modali — icerige gore boyut (dialog--tall 85vh bosluk birakiyordu) */

.dialog--tc-preview {
    max-width: 520px;
    height: auto;
    max-height: min(90vh, calc(100dvh - 2rem));
}

.dialog--tc-preview .dialog__body {
    flex: 0 1 auto;
    padding: var(--s-5) var(--s-6);
}

.dialog--tc-preview .dialog__foot {
    flex-shrink: 0;
}

@media (max-width: 600px) {
    #tcPreviewDialog.dialog-overlay {
        align-items: flex-end;
        padding: 0;
    }
    #tcPreviewDialog .dialog--tc-preview {
        max-width: 100%;
        width: 100%;
        border-radius: var(--r-xl) var(--r-xl) 0 0;
        max-height: 92dvh;
    }
    #tcPreviewDialog .dialog__foot {
        flex-direction: column-reverse;
    }
    #tcPreviewDialog .dialog__foot .btn {
        width: 100%;
        justify-content: center;
    }
}

/* "Nasıl yapılır?" başlık butonu — dikkat çekici hafif animasyon */

.howto-btn {
    white-space: nowrap;
}

.howto-btn i {
    animation: howto-bob 1.6s ease-in-out infinite;
}

@keyframes howto-bob {
    0%,
    100% {
        transform: translateX(0);
    }
    50% {
        transform: translateX(2px);
    }
}

/* "Nasıl yapılır?" rehber adımları */

.howto-steps {
    display: flex;
    flex-direction: column;
    gap: var(--s-3);
}

.howto-step {
    display: flex;
    align-items: flex-start;
    gap: var(--s-3);
    padding: var(--s-4);
    border: 1px solid var(--border);
    border-radius: var(--r-lg);
    background: var(--paper-2);
    opacity: 0;
    transform: translateY(10px);
    animation: howto-step-in 0.45s ease forwards;
}

.howto-step:nth-child(1) {
    animation-delay: 0.05s;
}

.howto-step:nth-child(2) {
    animation-delay: 0.15s;
}

.howto-step:nth-child(3) {
    animation-delay: 0.25s;
}

.howto-step:nth-child(4) {
    animation-delay: 0.35s;
}

@keyframes howto-step-in {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.howto-step__num {
    flex-shrink: 0;
    width: 28px;
    height: 28px;
    border-radius: var(--r-full);
    background: var(--brand-red);
    color: #fff;
    font-weight: 700;
    font-size: var(--fs-sm);
    display: flex;
    align-items: center;
    justify-content: center;
}

.howto-step__ico {
    flex-shrink: 0;
    width: 44px;
    height: 44px;
    border-radius: var(--r-md);
    background: var(--danger-soft, rgba(239, 68, 68, 0.12));
    color: var(--brand-red);
    font-size: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: howto-pulse 2s ease-in-out infinite;
}

@keyframes howto-pulse {
    0%,
    100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.08);
    }
}

.howto-step__body {
    flex: 1;
}

.howto-step__title {
    font-weight: 700;
    color: var(--ink-900);
    margin-bottom: 4px;
}

.howto-step__desc {
    font-size: var(--fs-sm);
    color: var(--ink-600);
    line-height: 1.6;
}

.howto-tip {
    display: flex;
    align-items: flex-start;
    gap: var(--s-2);
    margin-top: var(--s-4);
    padding: var(--s-3) var(--s-4);
    border-radius: var(--r-md);
    background: rgba(245, 158, 11, 0.10);
    border: 1px solid rgba(245, 158, 11, 0.30);
    color: #92400e;
    font-size: var(--fs-sm);
    line-height: 1.5;
}

.howto-tip i {
    margin-top: 2px;
    color: #f59e0b;
}

/* Masaüstünde rehber içeriği kısa; sabit 85vh yerine içeriğe göre boyutlan (alttaki boşluğu kaldırır).
   Mobilde (≤600px) bottom-sheet davranışı korunur. */

@media (min-width: 601px) {
    #howToDialog .dialog--tall {
        height: auto;
        max-height: 85vh;
    }
}

/* -----------------------------------------------------------
   13. STATUS BANNER
   ----------------------------------------------------------- */

.status-banner {
    display: flex;
    align-items: flex-start;
    gap: var(--s-3);
    padding: var(--s-4);
    border-radius: var(--r-md);
    border: 1px solid var(--border);
    background: var(--paper-2);
}

.status-banner__icon {
    width: 40px;
    height: 40px;
    border-radius: var(--r-full);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    color: #fff;
    font-size: 16px;
}

.status-banner__title {
    font-weight: 700;
    font-size: var(--fs-base);
    margin-bottom: 2px;
    color: var(--ink-900);
}

.status-banner__desc {
    font-size: var(--fs-sm);
    color: var(--ink-600);
    line-height: 1.5;
}

.status-banner--success {
    background: var(--success-soft);
    border-color: var(--success);
}

.status-banner--success .status-banner__icon {
    background: var(--success);
}

.status-banner--warning {
    background: var(--warning-soft);
    border-color: var(--warning);
}

.status-banner--warning .status-banner__icon {
    background: var(--warning);
}

.status-banner--info {
    background: var(--info-soft);
    border-color: var(--info);
}

.status-banner--info .status-banner__icon {
    background: var(--info);
}

.status-banner--danger {
    background: var(--danger-soft);
    border-color: var(--danger);
}

.status-banner--danger .status-banner__icon {
    background: var(--danger);
}

/* -----------------------------------------------------------
   14. MOBILE BOTTOM SHEET
   ----------------------------------------------------------- */

.bottom-sheet {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--paper);
    border-top: 1px solid var(--border);
    border-radius: var(--r-xl) var(--r-xl) 0 0;
    box-shadow: 0 -8px 24px rgba(15, 23, 42, 0.18);
    z-index: 80;
    transition: transform var(--t-base);
    max-height: 80vh;
    overflow: hidden;
    padding-bottom: env(safe-area-inset-bottom);
}

.bottom-sheet__handle {
    /* hidden — we use the chevron toggle button instead */
    display: none;
}

.bottom-sheet__head {
    padding: 6px var(--s-4) 4px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    min-height: 28px;
}

.bottom-sheet__total {
    font-size: var(--fs-md);
    font-weight: 800;
    color: var(--brand-red);
    line-height: 1.1;
}

.bottom-sheet__total-label {
    font-size: 11px;
    color: var(--ink-500);
    font-weight: 500;
    line-height: 1;
    margin-bottom: 2px;
}

.bottom-sheet__cta {
    padding: 4px var(--s-4) 8px;
}

.bottom-sheet__cta .btn {
    padding: 11px var(--s-4);
    font-size: var(--fs-sm);
}

.bottom-sheet__body {
    display: none;
    padding: 0 var(--s-4) var(--s-4);
    max-height: 55vh;
    overflow-y: auto;
    border-top: 1px solid var(--border);
    margin-top: 4px;
}

.bottom-sheet.is-open {
    max-height: 80vh;
}

.bottom-sheet.is-open .bottom-sheet__body {
    display: block;
}

.bottom-sheet__toggle {
    background: transparent;
    padding: 4px 8px;
    color: var(--ink-400);
    transition: transform var(--t-fast), color var(--t-fast);
    font-size: 12px;
    opacity: 0.7;
}

.bottom-sheet__toggle:hover {
    opacity: 1;
    color: var(--brand-red);
}

.bottom-sheet.is-open .bottom-sheet__toggle {
    transform: rotate(180deg);
    color: var(--brand-red);
    opacity: 1;
}

/* -----------------------------------------------------------
   15. UTILITIES
   ----------------------------------------------------------- */

.flex {
    display: flex;
}

.flex-col {
    display: flex;
    flex-direction: column;
}

.items-center {
    align-items: center;
}

.justify-between {
    justify-content: space-between;
}

.gap-2 {
    gap: var(--s-2);
}

.gap-3 {
    gap: var(--s-3);
}

.gap-4 {
    gap: var(--s-4);
}

.mt-2 {
    margin-top: var(--s-2);
}

.mt-3 {
    margin-top: var(--s-3);
}

.mt-4 {
    margin-top: var(--s-4);
}

.mt-5 {
    margin-top: var(--s-5);
}

.mt-6 {
    margin-top: var(--s-6);
}

.mb-2 {
    margin-bottom: var(--s-2);
}

.mb-3 {
    margin-bottom: var(--s-3);
}

.mb-4 {
    margin-bottom: var(--s-4);
}

.mb-5 {
    margin-bottom: var(--s-5);
}

.text-sm {
    font-size: var(--fs-sm);
}

.text-xs {
    font-size: var(--fs-xs);
}

.text-muted {
    color: var(--ink-500);
}

.text-strong {
    color: var(--ink-900);
    font-weight: 600;
}

.text-brand {
    color: var(--brand-red);
}

.hidden {
    display: none !important;
}

.grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--s-4);
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--s-4);
}

/* Inline-row (date+time pairs) */

.row-pair {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--s-3);
}

/* Slide-down reveal */

.reveal {
    display: none;
    animation: reveal-down var(--t-base);
}

.reveal.is-open {
    display: block;
}

@keyframes reveal-down {
    from {
        opacity: 0;
        transform: translateY(-8px);
        max-height: 0;
    }
    to {
        opacity: 1;
        transform: translateY(0);
        max-height: 2000px;
    }
}

/* -----------------------------------------------------------
   16. RESPONSIVE
   ----------------------------------------------------------- */

@media (max-width: 1024px) {
    :root {
        --summary-w: 320px;
    }
    .bk-main {
        gap: var(--s-5);
    }
}

@media (max-width: 860px) {
    .bk-main {
        grid-template-columns: 1fr;
        padding-bottom: 140px;
    }
    .summary-panel {
        display: none;
    }
    .bottom-sheet {
        display: block;
    }
    .step-node__label {
        display: none;
    }
    .step-node__dot {
        width: 40px;
        height: 40px;
        font-size: 16px;
    }
    .steps-rail__line {
        left: 20px;
        right: 20px;
    }
}

@media (max-width: 600px) {
    .app-shell {
        padding: 0 var(--s-3);
    }
    .bk-header__inner {
        padding: 0 var(--s-3);
        gap: var(--s-2);
    }
    .bk-header__actions {
        gap: 4px;
        margin-right: -2px;
    }
    .bk-header__actions .btn--icon {
        width: 36px;
        height: 36px;
    }
    .bk-header__actions .btn--sm {
        padding: 6px 8px;
        font-size: var(--fs-xs);
    }
    .bk-header__actions .hide-sm {
        display: none;
    }
    .steps-rail {
        padding: var(--s-4) var(--s-3);
    }
    .bk-logo__sub {
        display: block;
        font-size: 10px;
        padding-left: var(--s-2);
        margin-left: 0;
        margin-right: 6px;
        max-width: 84px;
        overflow: hidden;
        white-space: nowrap;
        text-overflow: ellipsis;
    }
    .bk-logo__sub strong {
        overflow: hidden;
        white-space: nowrap;
        text-overflow: ellipsis;
    }
    .bk-logo__sub strong {
        font-size: 12px;
    }
    .bk-logo__mark {
        font-size: 26px;
    }
    .card--pad {
        padding: var(--s-5);
    }
    .grid-2 {
        grid-template-columns: 1fr;
    }
    .row-pair {
        grid-template-columns: 1fr;
    }
    .chip-group {
        grid-template-columns: 1fr;
    }
    .toast-stack {
        left: var(--s-3);
        right: var(--s-3);
        max-width: none;
    }
    .prev-btn-label {
        display: none;
    }
    #prevBtn {
        padding: 10px 14px;
    }
    .dialog--tall {
        height: 92vh;
        max-height: 92vh;
        max-width: 100%;
        border-radius: var(--r-xl) var(--r-xl) 0 0;
        align-self: flex-end;
    }
}

/* -----------------------------------------------------------
   17. WHATSAPP BUTTON
   ----------------------------------------------------------- */

.btn--whatsapp {
    background: #25D366 !important;
    color: #fff !important;
    border-color: #25D366 !important;
    box-shadow: 0 4px 12px rgba(37, 211, 102, 0.35);
}

.btn--whatsapp:hover {
    background: #1ebe57 !important;
    border-color: #1ebe57 !important;
    transform: translateY(-1px);
    box-shadow: 0 6px 16px rgba(37, 211, 102, 0.45);
}

.btn--whatsapp i {
    font-size: 18px;
}

/* -----------------------------------------------------------
   18. GOOGLE PLACES AUTOCOMPLETE — themed
   ----------------------------------------------------------- */

.pac-container {
    background: var(--paper) !important;
    border: 1px solid var(--border) !important;
    border-radius: var(--r-md) !important;
    box-shadow: var(--shadow-lg) !important;
    margin-top: 6px !important;
    padding: 6px !important;
    font-family: var(--font-sans) !important;
    overflow-x: hidden !important;
    overflow-y: auto !important;
    max-height: 280px !important;
    z-index: 99999 !important;
}

.pac-container::after {
    /* Hide "powered by Google" attribution image */
    display: none !important;
    background: none !important;
    height: 0 !important;
}

.pac-item {
    padding: 10px 12px !important;
    border-radius: var(--r-sm) !important;
    border: 0 !important;
    color: var(--ink-700) !important;
    font-size: var(--fs-sm) !important;
    cursor: pointer !important;
    line-height: 1.4 !important;
    transition: background var(--t-fast) !important;
}

.pac-item:hover,
.pac-item-selected,
.pac-item.pac-item-selected {
    background: var(--brand-red-soft) !important;
    color: var(--ink-900) !important;
}

.pac-item-query {
    color: var(--ink-900) !important;
    font-size: var(--fs-sm) !important;
    font-weight: 600 !important;
    padding-right: 4px !important;
}

.pac-matched {
    color: var(--brand-red) !important;
    font-weight: 700 !important;
}

.pac-icon,
.pac-icon-marker {
    background-image: none !important;
    width: 18px !important;
    height: 18px !important;
    margin-right: 8px !important;
    margin-top: 2px !important;
    position: relative;
}

.pac-icon::before {
    content: "\f3c5";
    /* fa-map-marker-alt */
    font-family: "Font Awesome 6 Free", "Font Awesome 5 Free";
    font-weight: 900;
    color: var(--brand-red);
    font-size: 14px;
    position: absolute;
    top: 0;
    left: 0;
}

[data-theme="dark"] .pac-container {
    background: var(--paper) !important;
    border-color: var(--border) !important;
}

[data-theme="dark"] .pac-item {
    color: var(--ink-300) !important;
}

[data-theme="dark"] .pac-item:hover,
[data-theme="dark"] .pac-item-selected {
    background: rgba(212, 0, 42, 0.18) !important;
    color: #fff !important;
}

[data-theme="dark"] .pac-item-query {
    color: #fff !important;
}

/* -----------------------------------------------------------
   19. STEP 4 REVIEW — vehicle card + price summary
   ----------------------------------------------------------- */

.review-vehicle-card {
    display: grid;
    grid-template-columns: 200px 1fr;
    gap: var(--s-5);
    background: var(--paper-2);
    border: 1px solid var(--border);
    border-radius: var(--r-lg);
    padding: var(--s-4);
    align-items: center;
}

.review-vehicle-card__img {
    background: var(--ink-100);
    border-radius: var(--r-md);
    overflow: hidden;
    aspect-ratio: 16/10;
}

.review-vehicle-card__img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.review-vehicle-card__info {
    min-width: 0;
}

@media (max-width: 600px) {
    .review-vehicle-card {
        grid-template-columns: 1fr;
    }
}

.price-summary-box {
    background: var(--brand-red-soft);
    border: 2px solid var(--brand-red);
    border-radius: var(--r-lg);
    padding: var(--s-4) var(--s-5);
}

.price-summary-box__row {
    display: flex;
    justify-content: space-between;
    padding: 6px 0;
    font-size: var(--fs-sm);
    color: var(--ink-700);
}

.price-summary-box__row strong {
    color: var(--ink-900);
}

.price-summary-box__row--info {
    background: var(--info-soft);
    margin: 6px -8px;
    padding: 8px;
    border-radius: var(--r-sm);
    font-size: var(--fs-xs);
}

.price-summary-box__row--info strong {
    color: var(--info);
}

.price-summary-box__total {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: var(--s-3);
    padding-top: var(--s-3);
    border-top: 2px dashed var(--brand-red);
    font-size: var(--fs-md);
    font-weight: 700;
    color: var(--ink-900);
}

.price-summary-box__total-value {
    font-size: var(--fs-2xl);
    font-weight: 800;
    color: var(--brand-red);
}