/* Västtrafik Telegram Mini App - Styles */

/* Telegram Theme Variables with fallbacks */
:root {
    --tg-theme-bg-color: var(--tg-bg-color, #ffffff);
    --tg-theme-text-color: var(--tg-text-color, #000000);
    --tg-theme-hint-color: var(--tg-hint-color, #999999);
    --tg-theme-link-color: var(--tg-link-color, #2678b6);
    --tg-theme-button-color: var(--tg-button-color, #50a8eb);
    --tg-theme-button-text-color: var(--tg-button-text-color, #ffffff);
    --tg-theme-secondary-bg-color: var(--tg-secondary-bg-color, #f0f0f0);

    /* Västtrafik brand colors */
    --vt-blue: #00A6E2;
    --vt-dark-blue: #003B5C;
    --vt-green: #78BE20;

    /* Spacing */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;

    /* Border radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-full: 9999px;

    /* Safe area for iPhone notch */
    --safe-area-top: env(safe-area-inset-top, 0px);
    --safe-area-bottom: env(safe-area-inset-bottom, 0px);
}

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

/* Base */
html, body {
    height: 100%;
    overflow: hidden;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background-color: var(--tg-theme-bg-color);
    color: var(--tg-theme-text-color);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    -webkit-tap-highlight-color: transparent;
    padding-top: var(--safe-area-top);
    padding-bottom: var(--safe-area-bottom);
}

#app {
    height: 100%;
    overflow: hidden;
    position: relative;
}

/* Views */
.view {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    display: flex;
    flex-direction: column;
    opacity: 0;
    visibility: hidden;
    transform: translateX(100%);
    transition: opacity 0.25s ease, transform 0.25s ease, visibility 0.25s;
    overflow: hidden;
}

.view.active {
    opacity: 1;
    visibility: visible;
    transform: translateX(0);
}

.view.slide-out {
    transform: translateX(-30%);
}

/* Header */
.header {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--tg-theme-bg-color);
    border-bottom: 1px solid var(--tg-theme-secondary-bg-color);
    min-height: 64px;
    flex-shrink: 0;
}

.header h1 {
    font-size: 1.25rem;
    font-weight: 600;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.header .subtitle {
    font-size: 0.8rem;
    color: var(--tg-theme-hint-color);
    margin-top: 2px;
}

.header-text {
    flex: 1;
    min-width: 0;
}

/* Back button */
.back-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border: none;
    background: var(--tg-theme-secondary-bg-color);
    border-radius: var(--radius-full);
    cursor: pointer;
    color: var(--tg-theme-text-color);
    flex-shrink: 0;
    transition: background 0.15s ease, transform 0.1s ease;
}

.back-btn:active {
    transform: scale(0.95);
    background: var(--tg-theme-hint-color);
}

.back-btn svg {
    width: 24px;
    height: 24px;
}

/* External link button */
.external-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border: none;
    background: var(--tg-theme-secondary-bg-color);
    border-radius: var(--radius-full);
    cursor: pointer;
    color: var(--tg-theme-text-color);
    flex-shrink: 0;
    transition: background 0.15s ease;
}

.external-btn:active {
    background: var(--tg-theme-hint-color);
}

.external-btn svg {
    width: 20px;
    height: 20px;
}

/* Search container */
.search-container {
    padding: var(--spacing-md);
    position: relative;
}

.search-input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.search-icon {
    position: absolute;
    left: var(--spacing-md);
    width: 20px;
    height: 20px;
    color: var(--tg-theme-hint-color);
    pointer-events: none;
}

#search-input {
    width: 100%;
    padding: var(--spacing-md);
    padding-left: 48px;
    padding-right: 48px;
    font-size: 1rem;
    border: 2px solid var(--tg-theme-secondary-bg-color);
    border-radius: var(--radius-lg);
    background: var(--tg-theme-secondary-bg-color);
    color: var(--tg-theme-text-color);
    outline: none;
    transition: border-color 0.2s ease, background 0.2s ease;
}

#search-input:focus {
    border-color: var(--vt-blue);
    background: var(--tg-theme-bg-color);
}

#search-input::placeholder {
    color: var(--tg-theme-hint-color);
}

.clear-btn {
    position: absolute;
    right: var(--spacing-sm);
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: none;
    background: transparent;
    cursor: pointer;
    color: var(--tg-theme-hint-color);
    border-radius: var(--radius-full);
    transition: background 0.15s ease;
}

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

.clear-btn svg {
    width: 18px;
    height: 18px;
}

/* Search results */
.search-results {
    position: absolute;
    top: 100%;
    left: var(--spacing-md);
    right: var(--spacing-md);
    background: var(--tg-theme-bg-color);
    border-radius: var(--radius-md);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
    max-height: 300px;
    overflow-y: auto;
    z-index: 100;
    border: 1px solid var(--tg-theme-secondary-bg-color);
}

.search-result-item {
    padding: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    cursor: pointer;
    transition: background 0.15s ease;
    border-bottom: 1px solid var(--tg-theme-secondary-bg-color);
}

.search-result-item:last-child {
    border-bottom: none;
}

.search-result-item:active {
    background: var(--tg-theme-secondary-bg-color);
}

.result-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--vt-blue);
    color: white;
    border-radius: var(--radius-sm);
    font-size: 1.2rem;
    flex-shrink: 0;
}

.result-text {
    flex: 1;
    min-width: 0;
}

.result-name {
    font-weight: 500;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.result-location {
    font-size: 0.85rem;
    color: var(--tg-theme-hint-color);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* Loading */
.loading {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
    padding: var(--spacing-xl);
    color: var(--tg-theme-hint-color);
}

.spinner {
    width: 24px;
    height: 24px;
    border: 3px solid var(--tg-theme-secondary-bg-color);
    border-top-color: var(--vt-blue);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

/* Error message */
.error-message {
    margin: var(--spacing-md);
    padding: var(--spacing-md);
    background: #fee;
    border: 1px solid #fcc;
    border-radius: var(--radius-md);
    color: #c00;
    text-align: center;
}

/* Recent searches */
.recent-searches {
    padding: var(--spacing-md);
    flex: 1;
    overflow-y: auto;
}

.recent-searches h3 {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--tg-theme-hint-color);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: var(--spacing-md);
}

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

.recent-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--tg-theme-secondary-bg-color);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: background 0.15s ease, transform 0.1s ease;
}

.recent-item:active {
    background: var(--tg-theme-hint-color);
    transform: scale(0.98);
}

.recent-icon {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--vt-blue);
    color: white;
    border-radius: var(--radius-sm);
    font-size: 1rem;
}

.recent-text {
    flex: 1;
    font-weight: 500;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* Stop points list */
.stop-points-list {
    flex: 1;
    overflow-y: auto;
    padding: var(--spacing-md);
}

.stop-point-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--tg-theme-secondary-bg-color);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-sm);
    cursor: pointer;
    transition: background 0.15s ease;
}

.stop-point-item:active {
    background: var(--tg-theme-hint-color);
}

.stop-point-item.selected {
    background: var(--vt-blue);
    color: white;
}

.checkbox {
    width: 24px;
    height: 24px;
    border: 2px solid var(--tg-theme-hint-color);
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: all 0.15s ease;
}

.stop-point-item.selected .checkbox {
    background: white;
    border-color: white;
}

.checkbox svg {
    width: 16px;
    height: 16px;
    color: var(--vt-blue);
    opacity: 0;
    transform: scale(0.5);
    transition: all 0.15s ease;
}

.stop-point-item.selected .checkbox svg {
    opacity: 1;
    transform: scale(1);
}

.stop-point-info {
    flex: 1;
    min-width: 0;
}

.stop-point-name {
    font-weight: 500;
}

.stop-point-platform {
    font-size: 0.85rem;
    opacity: 0.7;
}

.all-stops-item {
    border: 2px dashed var(--tg-theme-hint-color);
    background: transparent;
}

.all-stops-item.selected {
    border-style: solid;
    border-color: var(--vt-blue);
}

/* Button container */
.button-container {
    padding: var(--spacing-md);
    padding-bottom: calc(var(--spacing-md) + var(--safe-area-bottom));
    background: var(--tg-theme-bg-color);
    border-top: 1px solid var(--tg-theme-secondary-bg-color);
}

.primary-btn {
    width: 100%;
    padding: var(--spacing-md);
    font-size: 1rem;
    font-weight: 600;
    border: none;
    border-radius: var(--radius-md);
    background: var(--vt-blue);
    color: white;
    cursor: pointer;
    transition: background 0.15s ease, transform 0.1s ease;
}

.primary-btn:active {
    background: var(--vt-dark-blue);
    transform: scale(0.98);
}

.primary-btn:disabled {
    background: var(--tg-theme-hint-color);
    cursor: not-allowed;
}

/* Iframe container */
.iframe-container {
    flex: 1;
    position: relative;
    overflow: hidden;
}

.iframe-loading {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
    background: var(--tg-theme-bg-color);
    color: var(--tg-theme-hint-color);
    z-index: 10;
    transition: opacity 0.3s ease;
}

.iframe-loading.hidden {
    opacity: 0;
    pointer-events: none;
}

#departure-iframe {
    width: 100%;
    height: 100%;
    border: none;
    background: white;
}

/* Iframe error */
.iframe-error {
    padding: var(--spacing-xl);
    text-align: center;
}

.iframe-error p {
    color: var(--tg-theme-hint-color);
    margin-bottom: var(--spacing-md);
}

/* Hidden utility */
.hidden {
    display: none !important;
}

/* Dark mode adjustments */
@media (prefers-color-scheme: dark) {
    :root {
        --tg-theme-bg-color: #1a1a1a;
        --tg-theme-text-color: #ffffff;
        --tg-theme-hint-color: #8e8e93;
        --tg-theme-secondary-bg-color: #2c2c2e;
    }

    .search-results {
        box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
    }

    .error-message {
        background: #3a1a1a;
        border-color: #5a2a2a;
        color: #ff6b6b;
    }
}

/* Telegram dark theme override */
body.tg-dark {
    --tg-theme-bg-color: var(--tg-bg-color, #1a1a1a);
    --tg-theme-text-color: var(--tg-text-color, #ffffff);
    --tg-theme-secondary-bg-color: var(--tg-secondary-bg-color, #2c2c2e);
}