:root {
    --tg-theme-bg-color: #ffffff;
    --tg-theme-text-color: #000000;
    --tg-theme-hint-color: #999999;
    --tg-theme-link-color: #2481cc;
    --tg-theme-button-color: #2481cc;
    --tg-theme-button-text-color: #ffffff;
    --tg-theme-secondary-bg-color: #f4f4f5;
    --tg-border-radius: 10px;
    --tg-error-color: rgba(255, 0, 0, 0.1);
    --tg-success-color: rgba(0, 255, 0, 0.1);
    
    /* Spacing system */
    --spacing-xs: 4px;
    --spacing-s: 8px;
    --spacing-m: 16px;
    --spacing-l: 24px;
    --spacing-xl: 32px;
    --spacing-xxl: 48px;
    
    /* Border radius system */
    --border-radius: 10px;
    --border-radius-small: 6px;
    --border-radius-large: 16px;
    
    /* Shadow system */
    --shadow-small: 0 1px 3px rgba(0, 0, 0, 0.1);
    --shadow-medium: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-large: 0 8px 16px rgba(0, 0, 0, 0.1);
}

/* Dark theme overrides */
.dark-theme {
    --tg-theme-bg-color: #1a1a1a;
    --tg-theme-text-color: #ffffff;
    --tg-theme-hint-color: #aaaaaa;
    --tg-theme-link-color: #64b5f6;
    --tg-theme-button-color: #64b5f6;
    --tg-theme-button-text-color: #ffffff;
    --tg-theme-secondary-bg-color: #2c2c2c;
    --tg-error-color: rgba(255, 100, 100, 0.15);
    --tg-success-color: rgba(100, 255, 100, 0.15);
    
    /* Adjust shadows for dark theme */
    --shadow-small: 0 1px 3px rgba(0, 0, 0, 0.3);
    --shadow-medium: 0 4px 6px rgba(0, 0, 0, 0.3);
    --shadow-large: 0 8px 16px rgba(0, 0, 0, 0.3);
}

/* Light theme overrides */
.light-theme {
    --tg-theme-bg-color: #ffffff;
    --tg-theme-text-color: #000000;
    --tg-theme-hint-color: #999999;
    --tg-theme-link-color: #2481cc;
    --tg-theme-button-color: #2481cc;
    --tg-theme-button-text-color: #ffffff;
    --tg-theme-secondary-bg-color: #f4f4f5;
}

/* Form input styles - improved for consistency */
.form-input, .form-label {
    /* These classes are used in the feedback forms */
}

.form-input {
    width: 100%;
    padding: var(--spacing-m);
    border: 1px solid var(--tg-theme-hint-color);
    border-radius: var(--border-radius);
    background-color: var(--tg-theme-bg-color);
    color: var(--tg-theme-text-color);
    font-size: 16px;
    transition: all 0.2s ease;
    box-sizing: border-box;
    font-family: inherit;
}

.form-input:focus {
    outline: none;
    border-color: var(--tg-theme-button-color);
    box-shadow: 0 0 0 3px rgba(36, 129, 204, 0.1);
}

.form-input::placeholder {
    color: var(--tg-theme-hint-color);
}

.form-label {
    display: block;
    margin-bottom: var(--spacing-s);
    font-weight: 500;
    font-size: 15px;
    color: var(--tg-theme-text-color);
}

.form-group {
    margin-bottom: var(--spacing-l);
}

/* Submit section styling */
.submit-section {
    text-align: center;
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-l);
    border-top: 1px solid var(--tg-theme-hint-color);
}

/* Success and error message styles */
.success-message {
    background: var(--tg-success-color);
    border: 1px solid #4CAF50;
    color: var(--tg-theme-text-color);
    padding: var(--spacing-m);
    border-radius: var(--border-radius);
    margin-bottom: var(--spacing-l);
    text-align: center;
    display: none;
}

.error-message {
    background: var(--tg-error-color);
    border: 1px solid #f44336;
    color: var(--tg-theme-text-color);
    padding: var(--spacing-m);
    border-radius: var(--border-radius);
    margin-bottom: var(--spacing-l);
    text-align: center;
    display: none;
}

/* Scrollbar Styles */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

::-webkit-scrollbar-track {
    background: var(--tg-theme-secondary-bg-color);
    border-radius: 3px;
}

::-webkit-scrollbar-thumb {
    background: var(--tg-theme-hint-color);
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--tg-theme-button-color);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: var(--tg-theme-bg-color);
    color: var(--tg-theme-text-color);
    line-height: 1.5;
    overflow-y: auto;
    scrollbar-width: thin;
    scrollbar-color: var(--tg-theme-hint-color) var(--tg-theme-secondary-bg-color);
}

.container {
    max-width: 600px;
    margin: 0 auto;
    padding: 20px;
    /* Add padding at bottom to account for fixed footer */
    padding-bottom: 80px;
}

h2 {
    text-align: center;
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 32px;
    color: var(--tg-theme-text-color);
}

.text-input,
.numeric-input,
.dropdown,
.comment-input {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--tg-theme-hint-color);
    border-radius: var(--tg-border-radius);
    background-color: var(--tg-theme-bg-color);
    color: var(--tg-theme-text-color);
    font-size: 16px;
    transition: all 0.2s ease;
    box-sizing: border-box;
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
}

.dropdown {
    background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23666666' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 16px center;
    background-size: 16px;
    padding-right: 40px;
}

.text-input:focus,
.numeric-input:focus,
.dropdown:focus,
.comment-input:focus {
    outline: none;
    border-color: var(--tg-theme-button-color);
    box-shadow: 0 0 0 3px rgba(36, 129, 204, 0.1);
}

.text-input::placeholder,
.numeric-input::placeholder,
.dropdown::placeholder,
.comment-input::placeholder {
    color: var(--tg-theme-hint-color);
}

.comment-input {
    min-height: 100px;
    resize: vertical;
}

.btn {
    display: block;
    width: 100%;
    padding: 16px;
    background-color: var(--tg-theme-button-color);
    color: var(--tg-theme-button-text-color);
    border: none;
    border-radius: var(--tg-border-radius);
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    margin-top: 32px;
}

.btn:hover {
    opacity: 0.9;
    transform: translateY(-1px);
}

.btn:active {
    transform: translateY(0);
}

.btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}

.invalid {
    border-color: #ff3b30;
}

.preset-buttons {
    display: flex;
    gap: 8px;
    margin-top: 8px;
    flex-wrap: wrap;
}

.preset-btn {
    padding: 8px 16px;
    background-color: var(--tg-theme-secondary-bg-color);
    color: var(--tg-theme-text-color);
    border: 1px solid var(--tg-theme-hint-color);
    border-radius: var(--tg-border-radius);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    flex: 0 1 auto;
}

.preset-btn:hover {
    background-color: var(--tg-theme-button-color);
    border-color: var(--tg-theme-button-color);
    color: var(--tg-theme-button-text-color);
}

.preset-btn.active {
    background-color: var(--tg-theme-button-color);
    border-color: var(--tg-theme-button-color);
    color: var(--tg-theme-button-text-color);
}

.error-popup {
    position: fixed;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    background-color: var(--tg-error-color, rgba(255, 0, 0, 0.1));
    color: var(--tg-text-color, #333);
    padding: 12px 24px;
    border-radius: var(--tg-border-radius, 8px);
    z-index: 1000;
    text-align: center;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
    max-width: 90%;
    word-wrap: break-word;
    display: none;
    backdrop-filter: blur(10px);
}

.btn-secondary {
    padding: 8px 16px;
    border: 1px solid var(--tg-theme-hint-color);
    background: none;
    color: var(--tg-theme-text-color);
    border-radius: var(--tg-border-radius);
    cursor: pointer;
    font-size: 14px;
}

.btn-primary {
    padding: 8px 16px;
    background-color: var(--tg-theme-button-color);
    color: var(--tg-theme-button-text-color);
    border: none;
    border-radius: var(--tg-border-radius);
    cursor: pointer;
    font-size: 14px;
}

.btn-secondary:hover {
    background-color: var(--tg-theme-secondary-bg-color);
}

.btn-primary:hover {
    opacity: 0.9;
}

/* Dark mode support */
@media (prefers-color-scheme: dark) {
    :root {
        --tg-theme-bg-color: #212121;
        --tg-theme-text-color: #ffffff;
        --tg-theme-hint-color: #666666;
        --tg-theme-secondary-bg-color: #2c2c2c;
    }
    
    .text-input,
    .numeric-input,
    .dropdown,
    .comment-input {
        background-color: var(--tg-theme-secondary-bg-color);
        border-color: #404040;
    }

    .error-popup {
        color: var(--tg-theme-text-color);
    }

    .dropdown {
        background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23ffffff' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
    }
    
    .text-input:focus,
    .numeric-input:focus,
    .dropdown:focus,
    .comment-input:focus {
        border-color: var(--tg-theme-button-color);
        box-shadow: 0 0 0 3px rgba(36, 129, 204, 0.2);
    }
}

/* Ride Details Page Styles */
.ride-header {
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
}

.ride-route {
    margin-top: 1rem;
}

.ride-route h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.ride-datetime {
    color: var(--text-secondary);
    font-size: 1.1rem;
}

.ride-details {
    background: var(--bg-secondary);
    border-radius: 12px;
    padding: 1.5rem;
    margin-bottom: 2rem;
}

.detail-group {
    margin-bottom: 1rem;
}

.detail-group label {
    font-weight: 600;
    margin-right: 0.5rem;
}

.passengers-list {
    margin-top: 1.5rem;
}

.passengers-list h4 {
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

.passenger-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 0;
}

.passenger-name {
    font-weight: 500;
}

.passenger-seats {
    color: var(--text-secondary);
}

.no-passengers {
    color: var(--text-secondary);
    font-style: italic;
}

.ride-status {
    margin-top: 1.5rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
}

.status-label {
    font-weight: 500;
    color: var(--text-primary);
}

.action-buttons {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.action-buttons .btn {
    width: 100%;
    padding: 1rem;
    font-size: 1rem;
}

.danger-btn {
    background-color: var(--error-color);
    color: white;
}

.danger-btn:hover {
    background-color: var(--error-color-dark);
}

/* Ride Details Styles */
.page-header {
    margin-bottom: 2rem;
    text-align: center;
}

.page-header h2 {
    font-size: 1.75rem;
    font-weight: 600;
    margin: 0;
}

.route-info {
    background: var(--bg-secondary);
    border-radius: 12px;
    padding: 1.5rem;
    margin-bottom: 2rem;
}

.route-cities h3 {
    font-size: 1.5rem;
    margin: 0 0 0.5rem 0;
    color: var(--text-primary);
}

.datetime {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin: 0;
}

.field-label {
    display: block;
    font-size: 1rem;
    font-weight: 500;
    margin-bottom: 0.5rem;
    color: var(--text-secondary);
}

.field-value.dark {
    background: var(--bg-secondary);
    border-radius: 8px;
    padding: 1rem;
    color: var(--text-primary);
    font-size: 1rem;
}

.passenger-item.dark {
    background: var(--bg-secondary);
    border-radius: 8px;
    padding: 1rem;
    margin-bottom: 0.5rem;
}

.passenger-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.passenger-name {
    font-weight: 500;
    color: var(--text-primary);
}

.passenger-seats {
    color: var(--text-secondary);
}

.passenger-username {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-top: 0.25rem;
}

.empty-state.dark {
    background: var(--bg-secondary);
    border-radius: 8px;
    padding: 1rem;
    color: var(--text-secondary);
    text-align: center;
    font-style: italic;
}

.status-badge {
    background: var(--bg-secondary);
    border-radius: 8px;
    padding: 1rem;
    color: var(--text-primary);
    text-align: center;
    font-weight: 500;
}

.button-group {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin-top: 2rem;
}

.btn.full-width {
    width: 100%;
    padding: 1rem;
    font-size: 1rem;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: background-color 0.2s;
}

.btn-primary {
    background: var(--primary-color);
    color: white;
}

.btn-secondary {
    background: var(--bg-secondary);
    color: var(--text-primary);
}

.btn-danger {
    background: var(--error-color);
    color: white;
}

.btn-disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.btn-primary:hover:not(.btn-disabled) {
    background: var(--primary-color-dark);
}

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

.btn-danger:hover {
    background: var(--error-color-dark);
}

.demand-info {
    margin: 20px 0;
    padding: 15px;
    border: 1px solid var(--tg-theme-hint-color, #999);
    border-radius: 8px;
    background: var(--tg-theme-bg-color, #fff);
}

.demand-info-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
}

.demand-info-header h3 {
    margin: 0;
    font-size: 1.1em;
    color: var(--tg-theme-text-color, #000);
}

.peak-hours-legend {
    font-size: 0.9em;
    color: var(--tg-theme-hint-color, #999);
}

.demand-hours-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 10px;
}

.hour-demand-card {
    padding: 10px;
    border: 1px solid var(--tg-theme-hint-color, #999);
    border-radius: 6px;
    text-align: center;
    background: var(--tg-theme-secondary-bg-color, #f5f5f5);
}

.hour-demand-card.selected {
    border: 2px solid var(--tg-theme-button-color, #2481cc);
    background: var(--tg-theme-bg-color, #fff);
}

.hour-demand-card.peak {
    position: relative;
}

.hour-demand-card.peak::after {
    content: "🔥";
    position: absolute;
    top: 5px;
    right: 5px;
    font-size: 12px;
}

.hour-time {
    font-weight: bold;
    margin-bottom: 5px;
    color: var(--tg-theme-text-color, #000);
}

.passenger-count {
    font-size: 0.9em;
    color: var(--tg-theme-hint-color, #999);
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 90px;
    left: 50%;
    transform: translateX(-50%);
    width: 36px;
    height: 36px;
    background-color: var(--tg-theme-button-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
    opacity: 0.8;
    z-index: 50;
    animation: bounce 1.5s infinite;
    color: var(--tg-theme-button-text-color);
    pointer-events: none;
}

.scroll-indicator::after {
    content: '↓';
    font-size: 18px;
    font-weight: bold;
}

.scroll-indicator.hidden {
    display: none;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0) translateX(-50%);
    }
    40% {
        transform: translateY(-10px) translateX(-50%);
    }
    60% {
        transform: translateY(-5px) translateX(-50%);
    }
}

/* Media query for smaller screens */
@media screen and (max-width: 480px) {
    .container {
        padding-bottom: 90px;
    }
}