:root {
    --bg-dark: #0a0e14;
    --bg-card: #151b23;
    --primary: #3b82f6;
    --primary-glow: rgba(59, 130, 246, 0.4);
    --accent: #00efff;
    --text-main: #f0f4f8;
    --text-muted: #8b949e;
    --success: #10b981;
    --warning: #f59e0b;
    --border: rgba(255, 255, 255, 0.08);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Outfit', sans-serif;
    -webkit-tap-highlight-color: transparent;
}

body {
    background-color: #000;
    color: var(--text-main);
    overflow: hidden;
    height: 100vh;
}

#app {
    display: flex;
    flex-direction: column;
    height: 100vh;
    width: 100vw;
    max-width: 450px;
    margin: 0 auto;
    background-color: var(--bg-dark);
    position: relative;
    border-left: 1px solid var(--border);
    border-right: 1px solid var(--border);
}

header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
    background: rgba(10, 14, 20, 0.8);
    backdrop-filter: blur(10px);
    z-index: 100;
}

.logo {
    font-size: 1.4rem;
    font-weight: 800;
    letter-spacing: -1px;
}

.logo span {
    color: var(--primary);
}

.user-profile {
    font-size: 1.5rem;
    color: var(--text-muted);
}

main {
    flex: 1;
    overflow-y: auto;
    padding: 20px;
    padding-bottom: 100px;
}

.view {
    display: none;
    animation: slideIn 0.3s ease-out forwards;
}

.view.active {
    display: block;
}

@keyframes slideIn {
    from { opacity: 0; transform: translateX(20px); }
    to { opacity: 1; transform: translateX(0); }
}

/* Hero Card */
.hero-card {
    height: 180px;
    background-size: cover;
    background-position: center;
    border-radius: 20px;
    position: relative;
    overflow: hidden;
    margin-bottom: 25px;
    display: flex;
    align-items: flex-end;
    padding: 20px;
}

.hero-card::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(0deg, rgba(10,14,20,0.9) 0%, rgba(10,14,20,0) 100%);
}

.hero-content {
    position: relative;
    z-index: 1;
}

.hero-content h2 {
    font-size: 1.4rem;
    margin-bottom: 5px;
}

.hero-content p {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: 15px;
}

.btn-primary-action {
    background: var(--primary);
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 10px;
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    box-shadow: 0 4px 15px var(--primary-glow);
}

/* Quick Status */
.quick-status {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
    margin-bottom: 25px;
}

.status-card {
    background: var(--bg-card);
    padding: 15px;
    border-radius: 16px;
    border: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.status-card i {
    font-size: 1.2rem;
    color: var(--primary);
    margin-bottom: 5px;
}

.status-card.warning i {
    color: var(--warning);
}

.status-card .label {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.status-card .value {
    font-size: 1.1rem;
    font-weight: 700;
}

/* Services */
.section-title {
    font-size: 1.1rem;
    margin-bottom: 15px;
}

.services-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.service-item-mini {
    background: var(--bg-card);
    padding: 15px;
    border-radius: 16px;
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    gap: 15px;
    cursor: pointer;
    transition: background 0.2s;
}

.service-item-mini:active {
    background: rgba(255,255,255,0.05);
}

.service-item-mini .icon {
    width: 45px;
    height: 45px;
    background: rgba(59, 130, 246, 0.1);
    border-radius: 12px;
    display: flex;
    justify-content: center;
    align-items: center;
    color: var(--primary);
    font-size: 1.2rem;
}

.service-item-mini .info {
    flex: 1;
}

.service-item-mini h4 {
    font-size: 1rem;
    margin-bottom: 2px;
}

.service-item-mini p {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.service-item-mini .price {
    font-weight: 700;
    color: var(--accent);
}

/* Brands View */
.btn-back {
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-size: 1rem;
    margin-bottom: 20px;
    cursor: pointer;
}

.view-title {
    margin-bottom: 25px;
}

.brand-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
}

.brand-item {
    background: var(--bg-card);
    padding: 25px 15px;
    border-radius: 16px;
    border: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    cursor: pointer;
}

.brand-item i {
    font-size: 2rem;
    color: var(--primary);
}

.brand-item span {
    font-weight: 600;
}

/* Booking View */
.booking-summary {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.car-summary {
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border);
}

.badge {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success);
    font-size: 0.7rem;
    padding: 4px 8px;
    border-radius: 6px;
    font-weight: 700;
}

.booking-config label {
    display: block;
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: 15px;
    margin-top: 20px;
}

.oil-options {
    display: flex;
    gap: 15px;
}

.oil-option {
    flex: 1;
    background: var(--bg-card);
    padding: 15px;
    border-radius: 12px;
    border: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    cursor: pointer;
}

.oil-option img {
    height: 40px;
}

.oil-option.active {
    border-color: var(--primary);
    background: rgba(59, 130, 246, 0.05);
}

.date-selector {
    display: flex;
    gap: 10px;
}

.date-chip {
    flex: 1;
    background: var(--bg-card);
    padding: 10px;
    border-radius: 12px;
    text-align: center;
    display: flex;
    flex-direction: column;
    cursor: pointer;
    border: 1px solid var(--border);
}

.date-chip.active {
    background: var(--primary);
    border-color: var(--primary);
}

.date-chip small {
    font-size: 0.7rem;
    opacity: 0.7;
}

.total-bar {
    margin-top: 20px;
    background: var(--bg-card);
    padding: 20px;
    border-radius: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border: 1px solid var(--border);
}

.total-info h3 {
    color: var(--accent);
    font-size: 1.5rem;
}

.btn-confirm {
    background: var(--success);
    color: white;
    border: none;
    padding: 15px 25px;
    border-radius: 12px;
    font-weight: 700;
    cursor: pointer;
}

/* Overlay */
.overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.9);
    z-index: 1000;
    justify-content: center;
    align-items: center;
    padding: 40px;
    backdrop-filter: blur(10px);
}

.overlay.active {
    display: flex;
}

.overlay-content {
    text-align: center;
}

.overlay-content i {
    font-size: 4rem;
    color: var(--success);
    margin-bottom: 20px;
}

.overlay-content h2 { margin-bottom: 10px; }
.overlay-content p { color: var(--text-muted); margin-bottom: 30px; }
.overlay-content button {
    background: var(--primary);
    color: white;
    border: none;
    padding: 15px 40px;
    border-radius: 12px;
    font-weight: 600;
}

/* Navigation */
.bottom-nav {
    position: absolute;
    bottom: 0;
    width: 100%;
    background: rgba(10, 14, 20, 0.95);
    display: flex;
    justify-content: space-around;
    padding: 15px;
    border-top: 1px solid var(--border);
}

.nav-item {
    background: transparent;
    border: none;
    color: var(--text-muted);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 5px;
    font-size: 0.7rem;
}

.nav-item.active {
    color: var(--primary);
}

.nav-item i { font-size: 1.2rem; }