/* ================================
   WANN KOMMT DIE BAHN - STYLES
   Authentisches DB Design 🚂
   ================================ */

:root {
    /* Offizielle DB Farben */
    --db-red: #EC0016;
    --db-red-dark: #C50014;
    --db-red-hover: #A00010;
    --db-cool-gray-100: #F0F3F5;
    --db-cool-gray-200: #D7DCE1;
    --db-cool-gray-300: #AFB4BB;
    --db-cool-gray-500: #646973;
    --db-cool-gray-700: #3C414B;
    --db-white: #FFFFFF;
    --db-black: #131821;

    /* Funktionsfarben */
    --db-green: #408335;
    --db-yellow: #FFD800;
    --db-orange: #F39200;

    /* Shadows - sehr dezent wie bei DB */
    --shadow-card: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-card-hover: 0 4px 16px rgba(0, 0, 0, 0.12);
    --shadow-dropdown: 0 4px 12px rgba(0, 0, 0, 0.15);

    /* Typography */
    --font-main: 'DB Screen Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;

    /* Border radius - DB nutzt meist keine runden Ecken */
    --radius-sm: 4px;
    --radius-md: 8px;
}

/* Google Fonts - ähnlich zu DB Screen */
@import url('https://fonts.googleapis.com/css2?family=Source+Sans+Pro:wght@400;600;700&display=swap');

/* Reset & Base */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Source Sans Pro', var(--font-main);
    background: var(--db-cool-gray-100);
    color: var(--db-black);
    min-height: 100vh;
    line-height: 1.5;
    font-size: 16px;
}

/* ================================
   HEADER - Echter DB Style
   ================================ */

.header {
    background: var(--db-white);
    border-bottom: 4px solid var(--db-red);
    padding: 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-sm) var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    text-decoration: none;
    color: inherit;
}

.logo-db {
    background: var(--db-red);
    color: var(--db-white);
    font-weight: 700;
    font-size: 1.5rem;
    padding: 8px 12px;
    border-radius: var(--radius-sm);
    letter-spacing: -1px;
}

.logo-text {
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--db-cool-gray-700);
}

.logo-text .highlight {
    color: var(--db-red);
}

.header-badge {
    display: flex;
    align-items: center;
    gap: 6px;
    background: var(--db-cool-gray-100);
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 0.875rem;
    color: var(--db-cool-gray-500);
}

.header-badge::before {
    content: '';
    width: 8px;
    height: 8px;
    background: var(--db-green);
    border-radius: 50%;
}

/* ================================
   MAIN CONTAINER
   ================================ */

.container {
    max-width: 680px;
    margin: 0 auto;
    padding: var(--spacing-lg) var(--spacing-md);
}

/* ================================
   CARDS - Cleaner DB Style
   ================================ */

.card {
    background: var(--db-white);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
    box-shadow: var(--shadow-card);
}

.card-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.card-step {
    background: var(--db-red);
    color: var(--db-white);
    width: 28px;
    height: 28px;
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.875rem;
}

.card-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--db-black);
    margin: 0;
}

.card-subtitle {
    color: var(--db-cool-gray-500);
    font-size: 0.9375rem;
    margin-bottom: var(--spacing-md);
    line-height: 1.5;
}

/* Intro Card - Etwas hervorgehoben */
.card-intro {
    border-left: 4px solid var(--db-red);
}

.card-intro .card-title {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-xs);
}

/* ================================
   FORMS - DB Stil
   ================================ */

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

.form-label {
    display: block;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    color: var(--db-cool-gray-700);
    font-size: 0.9375rem;
}

.form-input,
.form-select {
    width: 100%;
    padding: 14px 16px;
    background: var(--db-white);
    border: 1px solid var(--db-cool-gray-200);
    border-radius: var(--radius-sm);
    color: var(--db-black);
    font-size: 1rem;
    font-family: inherit;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.form-input:hover {
    border-color: var(--db-cool-gray-300);
}

.form-input:focus {
    outline: none;
    border-color: var(--db-red);
    box-shadow: 0 0 0 3px rgba(236, 0, 22, 0.1);
}

.form-input::placeholder {
    color: var(--db-cool-gray-300);
}

/* Station Autocomplete */
.station-input-wrapper {
    position: relative;
}

.station-suggestions {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--db-white);
    border: 1px solid var(--db-cool-gray-200);
    border-top: none;
    border-radius: 0 0 var(--radius-sm) var(--radius-sm);
    box-shadow: var(--shadow-dropdown);
    z-index: 100;
    max-height: 280px;
    overflow-y: auto;
    display: none;
}

.station-suggestions.active {
    display: block;
}

.station-suggestion {
    padding: 12px 16px;
    cursor: pointer;
    transition: background 0.15s;
    border-bottom: 1px solid var(--db-cool-gray-100);
    display: flex;
    align-items: center;
    gap: 12px;
}

.station-suggestion::before {
    content: '🚉';
    font-size: 1rem;
}

.station-suggestion:hover {
    background: var(--db-cool-gray-100);
}

.station-suggestion:last-child {
    border-bottom: none;
}

/* API Error Tooltip */
.api-error-tooltip {
    position: absolute;
    top: calc(100% + 8px);
    left: 0;
    right: 0;
    background: #FEE;
    border: 2px solid var(--db-red);
    border-radius: var(--radius-sm);
    padding: 12px 16px;
    color: var(--db-red);
    font-size: 0.875rem;
    font-weight: 600;
    z-index: 99;
    box-shadow: var(--shadow-dropdown);
    display: none;
    align-items: center;
    gap: 8px;
}

.api-error-tooltip.active {
    display: flex;
}

.api-error-tooltip::before {
    content: '⏱️';
    font-size: 1.125rem;
    flex-shrink: 0;
}


/* ================================
   JOURNEY SELECTION - DB Stil
   ================================ */

.journey-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.journey-option {
    background: var(--db-white);
    border: 2px solid var(--db-cool-gray-200);
    border-radius: var(--radius-sm);
    padding: var(--spacing-md);
    cursor: pointer;
    transition: all 0.2s;
}

.journey-option:hover {
    border-color: var(--db-cool-gray-300);
    box-shadow: var(--shadow-card-hover);
}

.journey-option.selected {
    border-color: var(--db-red);
    background: #FEF5F5;
}

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

.journey-time {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 1.25rem;
    font-weight: 700;
}

.journey-time .arrow {
    color: var(--db-cool-gray-300);
    font-weight: 400;
}

.journey-duration {
    color: var(--db-cool-gray-500);
    font-size: 0.875rem;
}

.journey-train {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 10px;
    background: var(--db-cool-gray-100);
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    color: var(--db-cool-gray-700);
    font-weight: 600;
}

.journey-delay {
    display: inline-flex;
    align-items: center;
    padding: 4px 10px;
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    font-weight: 600;
    margin-left: var(--spacing-sm);
}

.journey-delay.on-time {
    background: rgba(64, 131, 53, 0.1);
    color: var(--db-green);
}

.journey-delay.delayed {
    background: rgba(236, 0, 22, 0.1);
    color: var(--db-red);
}

/* ================================
   DELAY SLIDER - DB Stil
   ================================ */

.delay-slider-container {
    padding: var(--spacing-md) 0;
}

.delay-display {
    text-align: center;
    margin-bottom: var(--spacing-md);
}

.delay-value {
    font-size: 4rem;
    font-weight: 700;
    color: var(--db-red);
    line-height: 1;
}

.delay-unit {
    font-size: 1rem;
    color: var(--db-cool-gray-500);
    display: block;
    margin-top: 4px;
}

.delay-slider {
    -webkit-appearance: none;
    appearance: none;
    width: 100%;
    height: 8px;
    border-radius: 4px;
    /* Gradient: Green (early: 0-11%) -> Yellow (on-time/small delay: 11-25%) -> Orange (25-50%) -> Red (50-100%) */
    background: linear-gradient(90deg,
            var(--db-green) 0%,
            var(--db-green) 11%,
            var(--db-yellow) 20%,
            var(--db-orange) 40%,
            var(--db-red) 100%);
    outline: none;
    cursor: pointer;
}

.delay-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: var(--db-white);
    border: 3px solid var(--db-red);
    box-shadow: var(--shadow-card);
    cursor: grab;
    transition: transform 0.15s;
}

.delay-slider::-webkit-slider-thumb:hover {
    transform: scale(1.1);
}

.delay-slider::-webkit-slider-thumb:active {
    cursor: grabbing;
}

.delay-slider::-moz-range-thumb {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: var(--db-white);
    border: 3px solid var(--db-red);
    box-shadow: var(--shadow-card);
    cursor: grab;
}

.delay-labels {
    position: relative;
    height: 20px;
    margin-top: var(--spacing-xs);
    font-size: 0.8125rem;
    color: var(--db-cool-gray-500);
}

.delay-labels span {
    position: absolute;
    transform: translateX(-50%);
    white-space: nowrap;
}

.text-delayed {
    color: var(--db-red) !important;
}

.text-early {
    color: var(--db-green) !important;
}

.status-text {
    font-size: 2rem !important;
    display: block;
    line-height: 1.2;
}

/* ================================
   BUTTONS - DB Stil
   ================================ */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 24px;
    font-family: inherit;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all 0.2s;
}

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

.btn-primary:hover {
    background: var(--db-red-hover);
}

.btn-primary:active {
    transform: translateY(1px);
}

.btn-secondary {
    background: var(--db-white);
    color: var(--db-cool-gray-700);
    border: 1px solid var(--db-cool-gray-200);
}

.btn-secondary:hover {
    background: var(--db-cool-gray-100);
    border-color: var(--db-cool-gray-300);
}

.btn-lg {
    padding: 16px 32px;
    font-size: 1.0625rem;
}

.btn-block {
    width: 100%;
}

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

.btn:disabled:hover {
    background: var(--db-red);
    transform: none;
}

/* ================================
   ROUTE DISPLAY
   ================================ */

.route-display {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--db-cool-gray-100);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
}

.route-station {
    flex: 1;
}

.route-station-label {
    font-size: 0.75rem;
    color: var(--db-cool-gray-500);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 4px;
}

.route-station-name {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--db-black);
}

.route-station-time {
    font-size: 0.875rem;
    color: var(--db-cool-gray-500);
    margin-top: 2px;
}

.route-arrow {
    display: flex;
    flex-direction: column;
    align-items: center;
    color: var(--db-cool-gray-300);
    flex-shrink: 0;
    min-width: 60px;
}

.route-arrow-icon {
    font-size: 1.5rem;
}

.route-train-name {
    display: none;
}

/* ================================
   PLAYERS LIST
   ================================ */

.players-list {
    margin-top: var(--spacing-sm);
}

.player-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--db-cool-gray-100);
    border-radius: var(--radius-sm);
    margin-bottom: var(--spacing-xs);
}

.player-item.winner {
    background: #FEF5F5;
    border-left: 4px solid var(--db-red);
}

.player-name {
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
}

.player-guess {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--db-cool-gray-700);
}

/* Fellow Travelers (anonymous co-players) */
.fellow-traveler-item {
    background: linear-gradient(135deg, #EDE7F6 0%, #E8EAF6 100%);
    border-left: 3px solid #7C4DFF;
}

.fellow-traveler-item .player-name {
    color: #5C35B0;
    font-style: italic;
}

/* ================================
   WINNER ANNOUNCEMENT
   ================================ */

.winner-announcement {
    text-align: center;
    padding: var(--spacing-xl) var(--spacing-lg);
    background: linear-gradient(135deg, #FEF5F5 0%, var(--db-white) 100%);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
    border: 2px solid var(--db-red);
}

.winner-emoji {
    font-size: 3rem;
    margin-bottom: var(--spacing-sm);
}

.winner-label {
    font-size: 0.875rem;
    color: var(--db-cool-gray-500);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.winner-name {
    font-size: 2rem;
    font-weight: 700;
    color: var(--db-red);
    margin: var(--spacing-xs) 0;
}

.actual-delay-display {
    text-align: center;
    padding: var(--spacing-lg);
}

.actual-delay-value {
    font-size: 3.5rem;
    font-weight: 700;
    color: var(--db-red);
}

.actual-delay-label {
    color: var(--db-cool-gray-500);
    font-size: 0.9375rem;
}

/* ================================
   SHARE BUTTONS & NETWORKS
   ================================ */

.share-grid {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-top: var(--spacing-md);
    flex-wrap: wrap;
}

.share-btn-slim {
    background-color: var(--db-red);
    color: white !important;
    border: none;
    border-radius: 4px;
    padding: 6px 12px;
    font-size: 0.8125rem;
    font-weight: 700;
    cursor: pointer;
    transition: background-color 0.2s, transform 0.1s;
}

.share-btn-slim:hover {
    background-color: #C50012;
    /* Darker red */
}

.share-btn-slim:active {
    transform: scale(0.96);
}

/* ================================
   FAQ & INFO STYLES
   ================================ */

.faq-container {
    margin-top: var(--spacing-lg);
}

.faq-item {
    background: var(--db-white);
    border: 1px solid var(--db-cool-gray-200);
    border-radius: var(--radius-sm);
    margin-bottom: var(--spacing-sm);
    overflow: hidden;
}

.faq-question {
    width: 100%;
    padding: var(--spacing-md);
    text-align: left;
    background: none;
    border: none;
    font-weight: 700;
    font-size: 1rem;
    color: var(--db-black);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background 0.2s;
}

.faq-question:hover {
    background: var(--db-cool-gray-100);
}

.faq-question::after {
    content: '+';
    font-size: 1.5rem;
    color: var(--db-cool-gray-300);
}

.faq-item.active .faq-question::after {
    content: '−';
}

.faq-answer {
    padding: 0 var(--spacing-md);
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out, padding 0.3s ease-out;
    color: var(--db-cool-gray-700);
}

.faq-item.active .faq-answer {
    padding: 0 var(--spacing-md) var(--spacing-md);
    max-height: 500px;
}

.info-hero {
    text-align: center;
    padding: var(--spacing-xl) 0;
    background: var(--db-white);
    border-bottom: 1px solid var(--db-cool-gray-200);
    margin-bottom: var(--spacing-lg);
}

.info-hero h1 {
    font-size: 2.5rem;
    color: var(--db-red);
    margin-bottom: var(--spacing-sm);
}

/* ================================
   SHARE BOX
   ================================ */

.share-box {
    display: flex;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    background: var(--db-cool-gray-100);
    border-radius: var(--radius-md);
}

.share-link {
    flex: 1;
    padding: 12px 16px;
    background: var(--db-white);
    border: 1px solid var(--db-cool-gray-200);
    border-radius: var(--radius-sm);
    font-family: monospace;
    font-size: 0.875rem;
    color: var(--db-cool-gray-700);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.share-btn {
    flex-shrink: 0;
}

/* ================================
   STATUS BADGES
   ================================ */

.status-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 0.8125rem;
    font-weight: 600;
}

.status-waiting {
    background: rgba(255, 216, 0, 0.15);
    color: #B89600;
}

.status-active {
    background: rgba(64, 131, 53, 0.1);
    color: var(--db-green);
}

.status-finished {
    background: rgba(236, 0, 22, 0.1);
    color: var(--db-red);
}

/* ================================
   LOADING
   ================================ */

.loading {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-xl);
    color: var(--db-cool-gray-500);
}

.loading-spinner {
    width: 32px;
    height: 32px;
    border: 3px solid var(--db-cool-gray-200);
    border-top-color: var(--db-red);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    100% {
        transform: rotate(360deg);
    }
}

/* ================================
   MESSAGES
   ================================ */

.success-message {
    background: rgba(64, 131, 53, 0.1);
    border: 1px solid rgba(64, 131, 53, 0.2);
    border-radius: var(--radius-sm);
    padding: var(--spacing-md);
    text-align: center;
    color: var(--db-green);
}

.error-message {
    background: rgba(236, 0, 22, 0.1);
    border: 1px solid rgba(236, 0, 22, 0.2);
    border-radius: var(--radius-sm);
    padding: var(--spacing-md);
    text-align: center;
    color: var(--db-red);
}

/* ================================
   FOOTER
   ================================ */

.footer {
    text-align: center;
    padding: var(--spacing-lg) var(--spacing-md);
    color: var(--db-cool-gray-500);
    font-size: 0.875rem;
    background: var(--db-white);
    border-top: 1px solid var(--db-cool-gray-200);
    margin-top: var(--spacing-xl);
}

.footer a {
    color: var(--db-red);
    text-decoration: none;
}

.footer a:hover {
    text-decoration: underline;
}

.footer-nav {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    margin-top: var(--spacing-sm);
}

/* Visitor Counter */
.visitor-counter {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--db-cool-gray-100);
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 0.8125rem;
    color: var(--db-cool-gray-500);
    margin-bottom: 1rem;
    border: 1px solid var(--db-cool-gray-200);
}

.visitor-label {
    font-weight: 600;
}

.visitor-count {
    color: var(--db-red);
    font-weight: 700;
    font-family: monospace;
}

/* ================================
   UTILITIES
   ================================ */

.hidden {
    display: none !important;
}

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

.mt-md {
    margin-top: var(--spacing-md);
}

.mb-md {
    margin-bottom: var(--spacing-md);
}

/* ================================
   RESPONSIVE
   ================================ */

@media (max-width: 640px) {
    .container {
        padding: var(--spacing-md) var(--spacing-sm);
    }

    .card {
        padding: var(--spacing-md);
    }

    .card-title {
        font-size: 1.125rem;
    }

    .delay-value {
        font-size: 3rem;
    }

    .route-display {
        flex-direction: column;
        text-align: center;
    }

    .route-arrow {
        margin: var(--spacing-xs) 0;
    }

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

    .route-train-name {
        max-width: none;
        font-size: 0.75rem;
        padding: 4px 12px;
        white-space: normal;
    }

    .winner-name {
        font-size: 1.5rem;
    }

    .share-box {
        flex-direction: column;
    }

    .journey-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }

    /* Fix für Zug-Namen auf Mobile */
    .journey-option {
        padding: var(--spacing-sm);
    }

    .journey-time {
        font-size: 1rem;
        flex-wrap: wrap;
        gap: 4px;
    }

    .journey-train {
        display: block;
        text-align: left;
        margin-top: 8px;
        font-size: 0.8125rem;
        word-break: break-word;
    }

    .journey-delay {
        margin-left: 0;
        margin-top: 4px;
        display: inline-block;
    }
}

/* ================================
   AD SLOT - Amazon
   ================================ */

.ad-container {
    background: var(--db-cool-gray-100);
    border: 1px dashed var(--db-cool-gray-300);
    border-radius: var(--radius-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    margin-bottom: var(--spacing-xs);
    text-align: center;
    transition: background-color 0.2s;
    position: relative;
    overflow: hidden;
}

.ad-container:hover {
    background: #FEF5F5;
    border-color: var(--db-red);
}

.ad-link {
    color: var(--db-cool-gray-700);
    text-decoration: none;
    font-weight: 600;
    display: block;
    width: 100%;
}

.ad-link:hover {
    color: var(--db-red);
}

.ad-label {
    display: block;
    font-size: 0.7rem;
    color: var(--db-cool-gray-500);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 4px;
}

.ad-train {
    position: absolute;
    bottom: 5px;
    left: -30px;
    font-size: 1.5rem;
    animation: trainMove 8s linear infinite;
    pointer-events: none;
    /* Click goes through to link */
    opacity: 0.8;
}

@keyframes trainMove {
    0% {
        left: -30px;
        transform: scaleX(-1);
        /* Face right */
    }

    45% {
        left: 100%;
        transform: scaleX(-1);
    }

    50% {
        left: 100%;
        transform: scaleX(1);
        /* Face left */
    }

    95% {
        left: -30px;
        transform: scaleX(1);
    }

    100% {
        left: -30px;
        transform: scaleX(-1);
        /* Reset */
    }
}