* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --bg: #f7f8fa;
    --bg-card: #ffffff;
    --primary: #276ef1;
    --primary-light: #4a8af5;
    --primary-bg: rgba(39, 110, 241, 0.08);
    --green: #05944f;
    --green-bg: rgba(5, 148, 79, 0.08);
    --green-light: #e6f4ed;
    --orange: #f57c00;
    --red: #e54b4b;
    --text: #1a1a2e;
    --text-secondary: #545468;
    --text-muted: #8f8fa3;
    --border: #e2e2ea;
    --shadow: 0 1px 3px rgba(0,0,0,0.06);
    --shadow-lg: 0 4px 12px rgba(0,0,0,0.08);
    --match-bg: #f0f4ff;
    --match-border: #b8d0fb;
}

body {
    font-family: 'Inter', -apple-system, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.5;
}

/* Navbar */
.navbar {
    background: #ffffff;
    border-bottom: 1px solid var(--border);
    padding: 14px 24px;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow);
}

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1400px;
    margin: 0 auto;
}

.logo {
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--text);
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-car {
    display: inline-flex;
    align-items: center;
    animation: carBounce 1.5s ease-in-out infinite;
}

@keyframes carBounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-2px); }
}

.tagline {
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--green);
    border-left: 2px solid var(--green);
    padding-left: 12px;
}

.nav-stats {
    display: flex;
    gap: 20px;
}

.stat {
    color: var(--text-muted);
    font-size: 0.85rem;
}

.stat span {
    color: var(--primary);
    font-weight: 700;
}

/* Layout */
.app {
    display: flex;
    max-width: 1400px;
    margin: 0 auto;
    min-height: calc(100vh - 55px);
}

/* Sidebar */
.sidebar {
    width: 400px;
    padding: 24px;
    background: #ffffff;
    border-right: 1px solid var(--border);
    overflow-y: auto;
    max-height: calc(100vh - 55px);
    position: sticky;
    top: 55px;
}

.sidebar h2 {
    font-size: 1.15rem;
    margin-bottom: 16px;
    color: var(--text);
    font-weight: 700;
}

.sidebar label {
    display: block;
    font-size: 0.75rem;
    color: var(--text-muted);
    margin: 14px 0 6px;
    text-transform: uppercase;
    letter-spacing: 0.6px;
    font-weight: 600;
}

.sidebar label.label-green {
    color: var(--green);
    font-weight: 700;
    font-size: 0.8rem;
}

.sidebar input[type="text"],
.sidebar input[type="tel"],
.sidebar input[type="date"],
.sidebar input[type="time"] {
    width: 100%;
    padding: 10px 14px;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text);
    font-family: 'Inter', sans-serif;
    font-size: 0.9rem;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.sidebar input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(39, 110, 241, 0.12);
}

.row {
    display: flex;
    gap: 10px;
}

.row > * {
    flex: 1;
}

/* Toggle */
.toggle-group {
    display: flex;
    gap: 6px;
    margin-bottom: 6px;
}

.toggle {
    flex: 1;
    padding: 10px 8px;
    border: 2px solid var(--border);
    border-radius: 10px;
    background: #ffffff;
    color: var(--text-muted);
    font-family: 'Inter', sans-serif;
    font-size: 0.78rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    text-align: center;
}

.toggle:hover {
    border-color: var(--text-muted);
}

.toggle.active[data-type="to-offer"],
.toggle.active[data-type="from-offer"] {
    border-color: var(--green);
    background: var(--green-light);
    color: var(--green);
}

.toggle.active[data-type="to-need"],
.toggle.active[data-type="from-need"] {
    border-color: var(--primary);
    background: var(--primary-bg);
    color: var(--primary);
}

/* Chips */
.location-picks, .num-picks {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: 6px;
}

.chip {
    padding: 6px 12px;
    border: 1px solid var(--border);
    border-radius: 20px;
    background: #ffffff;
    color: var(--text-secondary);
    font-family: 'Inter', sans-serif;
    font-size: 0.78rem;
    cursor: pointer;
    transition: all 0.15s;
    font-weight: 500;
}

.chip:hover {
    border-color: var(--primary);
    color: var(--primary);
    background: var(--primary-bg);
}

.chip.selected {
    border-color: var(--primary);
    background: var(--primary);
    color: #ffffff;
}

/* Submit */
.btn-submit {
    width: 100%;
    padding: 14px;
    background: var(--text);
    border: none;
    border-radius: 10px;
    color: #ffffff;
    font-family: 'Inter', sans-serif;
    font-size: 0.9rem;
    font-weight: 700;
    cursor: pointer;
    margin-top: 16px;
    transition: background 0.2s;
}

.btn-submit:hover {
    background: #333355;
}

/* Main */
.main {
    flex: 1;
    padding: 24px;
    overflow-y: auto;
}

/* Tabs */
.tabs {
    display: flex;
    gap: 4px;
    margin-bottom: 20px;
    background: #ffffff;
    padding: 4px;
    border-radius: 10px;
    border: 1px solid var(--border);
}

.tab {
    flex: 1;
    padding: 10px 12px;
    border: none;
    border-radius: 8px;
    background: transparent;
    color: var(--text-muted);
    font-family: 'Inter', sans-serif;
    font-size: 0.82rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

.tab:hover {
    color: var(--text);
    background: var(--bg);
}

.tab.active {
    background: var(--text);
    color: #ffffff;
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

.empty-state {
    text-align: center;
    color: var(--text-muted);
    padding: 60px 20px;
    font-size: 0.95rem;
}

/* Ride cards */
.rides-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.ride-card {
    background: #ffffff;
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 16px 20px;
    transition: box-shadow 0.2s, border-color 0.2s;
    box-shadow: var(--shadow);
}

.ride-card:hover {
    box-shadow: var(--shadow-lg);
    border-color: var(--primary);
}

.ride-card.offer {
    border-left: 3px solid var(--green);
}

.ride-card.need {
    border-left: 3px solid var(--primary);
}

.ride-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
}

.ride-type {
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: 3px 10px;
    border-radius: 4px;
}

.ride-type.offer {
    color: var(--green);
    background: var(--green-bg);
}

.ride-type.need {
    color: var(--primary);
    background: var(--primary-bg);
}

.ride-route {
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: 6px;
    color: var(--text);
}

.ride-details {
    display: flex;
    gap: 12px;
    color: var(--text-secondary);
    font-size: 0.82rem;
    margin-bottom: 8px;
    flex-wrap: wrap;
}

.ride-person {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.ride-person-info {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.ride-actions {
    display: flex;
    gap: 8px;
    margin-top: 12px;
}

.btn-action {
    padding: 8px 16px;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: #ffffff;
    color: var(--text);
    font-family: 'Inter', sans-serif;
    font-size: 0.8rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.15s;
    text-decoration: none;
    flex: 1;
    text-align: center;
}

.btn-action.whatsapp {
    border-color: #25d366;
    color: #25d366;
    font-weight: 600;
}

.btn-action.whatsapp:hover {
    background: rgba(37, 211, 102, 0.06);
    box-shadow: 0 0 0 3px rgba(37, 211, 102, 0.1);
}

.btn-action.delete {
    border-color: var(--border);
    color: var(--red);
    flex: 0;
    padding: 8px 12px;
}

.btn-action.delete:hover {
    background: rgba(229, 75, 75, 0.06);
}

/* Match card */
.match-card {
    background: var(--match-bg);
    border: 1px solid var(--match-border);
    border-radius: 14px;
    padding: 20px;
    box-shadow: var(--shadow);
}

.match-header {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 14px;
    font-weight: 700;
    color: var(--primary);
    font-size: 0.95rem;
    flex-wrap: wrap;
}

.match-pair {
    display: flex;
    gap: 12px;
    align-items: center;
}

.match-pair .ride-card {
    flex: 1;
    margin: 0;
}

.match-arrow {
    font-size: 1.5rem;
    color: var(--primary);
    flex-shrink: 0;
}

.match-actions {
    display: flex;
    gap: 8px;
    margin-top: 14px;
    justify-content: center;
}

.btn-match {
    padding: 10px 24px;
    border: none;
    border-radius: 8px;
    font-family: 'Inter', sans-serif;
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-match.dismiss {
    background: #ffffff;
    border: 1px solid var(--border);
    color: var(--text-muted);
}

.btn-match.dismiss:hover {
    background: var(--bg);
}

/* Toast */
.toast {
    position: fixed;
    bottom: 24px;
    right: 24px;
    padding: 14px 24px;
    background: var(--text);
    color: #ffffff;
    border-radius: 10px;
    font-weight: 600;
    font-size: 0.9rem;
    z-index: 200;
    transition: all 0.3s;
    box-shadow: var(--shadow-lg);
}

.toast.hidden {
    opacity: 0;
    transform: translateY(20px);
    pointer-events: none;
}

/* Responsive - Mobile */
@media (max-width: 768px) {
    .app {
        flex-direction: column;
    }

    .sidebar {
        width: 100%;
        max-height: none;
        position: static;
        border-right: none;
        border-bottom: 1px solid var(--border);
    }

    .match-pair {
        flex-direction: column;
    }

    .match-arrow {
        transform: rotate(90deg);
    }

    .tagline {
        display: none;
    }
}