/* ==========================================================================
   Telegram Mini App — Horoscope — Styles
   Uses Telegram theme CSS variables with fallbacks for outside-Telegram dev.
   ========================================================================== */

/* ---------- Reset & Base ---------- */

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

html {
    height: 100%;
    -webkit-text-size-adjust: 100%;
}

body {
    min-height: 100%;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    font-size: 16px;
    line-height: 1.5;
    background: var(--tg-theme-bg-color, #ffffff);
    color: var(--tg-theme-text-color, #000000);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

/* ---------- Theme Variables (custom, derived from Telegram vars) ---------- */

:root {
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    --transition: 0.2s ease;
}

/* ---------- Dark mode adjustments for fallback colors ----------
   Telegram injects colorScheme; we apply a class from JS for fallbacks. */

body.dark {
    --fallback-bg: #1c1c1e;
    --fallback-text: #ffffff;
    --fallback-hint: #8e8e93;
    --fallback-link: #64d2ff;
    --fallback-button: #0a84ff;
    --fallback-button-text: #ffffff;
    --fallback-secondary-bg: #2c2c2e;
}

body.dark {
    background: var(--tg-theme-bg-color, var(--fallback-bg, #1c1c1e));
    color: var(--tg-theme-text-color, var(--fallback-text, #ffffff));
}

/* ---------- Utility Classes ---------- */

.hidden {
    display: none !important;
}

/* ---------- Dev Banner ---------- */

.dev-banner {
    background: var(--tg-theme-link-color, #2678b6);
    color: var(--tg-theme-button-text-color, #ffffff);
    text-align: center;
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: 13px;
    font-weight: 500;
    position: sticky;
    top: 0;
    z-index: 100;
}

.dev-banner span {
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* ---------- Loading Overlay ---------- */

.loading-overlay {
    position: fixed;
    inset: 0;
    background: var(--tg-theme-bg-color, #ffffff);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0.92;
}

body.dark .loading-overlay {
    background: var(--tg-theme-bg-color, #1c1c1e);
}

.spinner {
    width: 36px;
    height: 36px;
    border: 3px solid var(--tg-theme-hint-color, #cccccc);
    border-top-color: var(--tg-theme-button-color, #3390ec);
    border-radius: 50%;
    animation: spin 0.7s linear infinite;
}

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

/* ---------- Screens ---------- */

.screen {
    min-height: 100vh;
    padding-bottom: var(--spacing-xl);
}

.screen-content {
    max-width: 480px;
    margin: 0 auto;
    padding: var(--spacing-lg) var(--spacing-md);
}

/* ---------- Cards ---------- */

.card {
    background: var(--tg-theme-secondary-bg-color, #f5f5f5);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
}

body.dark .card {
    background: var(--tg-theme-secondary-bg-color, #2c2c2e);
}

/* ---------- Typography ---------- */

h1 {
    font-size: 24px;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-sm);
    color: var(--tg-theme-text-color, #000000);
}

body.dark h1 {
    color: var(--tg-theme-text-color, #ffffff);
}

h3 {
    font-size: 17px;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--tg-theme-text-color, #000000);
}

body.dark h3 {
    color: var(--tg-theme-text-color, #ffffff);
}

.hint-text {
    color: var(--tg-theme-hint-color, #999999);
    font-size: 14px;
    line-height: 1.4;
}

body.dark .hint-text {
    color: var(--tg-theme-hint-color, #8e8e93);
}

.hint-text.small {
    font-size: 12px;
    margin-top: var(--spacing-xs);
}

a {
    color: var(--tg-theme-link-color, #2678b6);
    text-decoration: none;
}

body.dark a {
    color: var(--tg-theme-link-color, #64d2ff);
}

/* ---------- Buttons ---------- */

.btn-primary {
    display: block;
    width: 100%;
    padding: 14px var(--spacing-lg);
    border: none;
    border-radius: var(--radius-md);
    background: var(--tg-theme-button-color, #3390ec);
    color: var(--tg-theme-button-text-color, #ffffff);
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: opacity var(--transition), transform var(--transition);
    -webkit-tap-highlight-color: transparent;
}

.btn-primary:active {
    opacity: 0.8;
    transform: scale(0.98);
}

.btn-primary:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

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

/* ---------- Forms ---------- */

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

.form-group label:first-child {
    display: block;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    color: var(--tg-theme-text-color, #000000);
}

body.dark .form-group label:first-child {
    color: var(--tg-theme-text-color, #ffffff);
}

.form-group input[type="date"],
.form-group input[type="time"],
.form-group input[type="text"] {
    display: block;
    width: 100%;
    padding: 12px var(--spacing-md);
    border: 1.5px solid var(--tg-theme-hint-color, #d0d0d0);
    border-radius: var(--radius-sm);
    background: var(--tg-theme-bg-color, #ffffff);
    color: var(--tg-theme-text-color, #000000);
    font-size: 16px;
    font-family: inherit;
    transition: border-color var(--transition);
    -webkit-appearance: none;
    appearance: none;
}

body.dark .form-group input[type="date"],
body.dark .form-group input[type="time"],
body.dark .form-group input[type="text"] {
    background: var(--tg-theme-bg-color, #1c1c1e);
    color: var(--tg-theme-text-color, #ffffff);
    border-color: var(--tg-theme-hint-color, #555555);
}

.form-group input:focus {
    outline: none;
    border-color: var(--tg-theme-button-color, #3390ec);
}

/* Checkbox row */

.checkbox-label {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-sm);
    font-size: 14px;
    color: var(--tg-theme-text-color, #000000);
    cursor: pointer;
    -webkit-tap-highlight-color: transparent;
}

body.dark .checkbox-label {
    color: var(--tg-theme-text-color, #ffffff);
}

.checkbox-label input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--tg-theme-button-color, #3390ec);
    flex-shrink: 0;
}

/* ---------- City Autocomplete ---------- */

.city-group {
    position: relative;
}

.city-suggestions {
    list-style: none;
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    z-index: 50;
    background: var(--tg-theme-bg-color, #ffffff);
    border: 1.5px solid var(--tg-theme-hint-color, #d0d0d0);
    border-top: none;
    border-radius: 0 0 var(--radius-sm) var(--radius-sm);
    max-height: 220px;
    overflow-y: auto;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

body.dark .city-suggestions {
    background: var(--tg-theme-bg-color, #1c1c1e);
    border-color: var(--tg-theme-hint-color, #555555);
    box-shadow: 0 4px 12px rgba(0,0,0,0.4);
}

.city-suggestions li {
    padding: 10px var(--spacing-md);
    font-size: 14px;
    cursor: pointer;
    transition: background var(--transition);
    color: var(--tg-theme-text-color, #000000);
    border-bottom: 1px solid var(--tg-theme-hint-color, #e8e8e8);
}

body.dark .city-suggestions li {
    color: var(--tg-theme-text-color, #ffffff);
    border-bottom-color: var(--tg-theme-hint-color, #3a3a3c);
}

.city-suggestions li:last-child {
    border-bottom: none;
}

.city-suggestions li:active,
.city-suggestions li.active {
    background: var(--tg-theme-button-color, #3390ec);
    color: var(--tg-theme-button-text-color, #ffffff);
}

.city-suggestions .city-loading {
    padding: 10px var(--spacing-md);
    font-size: 13px;
    color: var(--tg-theme-hint-color, #999999);
    text-align: center;
    cursor: default;
}

/* ---------- Error / Success Messages ---------- */

.error-message {
    background: #ffe0e0;
    color: #c0392b;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-sm);
    font-size: 14px;
    margin-bottom: var(--spacing-md);
}

body.dark .error-message {
    background: #3a1c1c;
    color: #ff6b6b;
}

.success-message {
    background: #e0ffe0;
    color: #27ae60;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-sm);
    font-size: 14px;
    margin-bottom: var(--spacing-md);
}

body.dark .success-message {
    background: #1c3a1c;
    color: #6bff6b;
}

/* ---------- Onboarding Screen ---------- */

.onboarding-header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.onboarding-icon {
    font-size: 48px;
    margin-bottom: var(--spacing-sm);
    line-height: 1;
}

.onboarding-lang {
    justify-content: center;
    margin-top: var(--spacing-md);
}

/* ---------- Reading Screen ---------- */

.reading-header {
    margin-bottom: var(--spacing-lg);
}

.reading-date {
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    margin-bottom: var(--spacing-xs);
}

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

.reading-text {
    font-size: 15px;
    line-height: 1.65;
    word-wrap: break-word;
    color: var(--tg-theme-text-color, #000000);
}

.reading-text p {
    margin-bottom: 12px;
}

.reading-text p:last-child {
    margin-bottom: 0;
}

body.dark .reading-text {
    color: var(--tg-theme-text-color, #ffffff);
}

/* ---------- Transit Highlights ---------- */

.transit-card h3 {
    margin-bottom: var(--spacing-md);
}

.transit-list {
    list-style: none;
    padding: 0;
}

.transit-list li {
    display: flex;
    align-items: baseline;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid var(--tg-theme-hint-color, #e0e0e0);
    font-size: 14px;
}

body.dark .transit-list li {
    border-bottom-color: var(--tg-theme-hint-color, #444444);
}

.transit-list li:last-child {
    border-bottom: none;
}

.transit-aspect {
    font-weight: 600;
    white-space: nowrap;
}

.transit-orb {
    color: var(--tg-theme-hint-color, #999999);
    font-size: 12px;
    margin-left: auto;
    white-space: nowrap;
}

body.dark .transit-orb {
    color: var(--tg-theme-hint-color, #8e8e93);
}

/* ---------- Language Selector ---------- */

.language-selector {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
}

.lang-btn {
    flex: 1;
    padding: 10px var(--spacing-md);
    border: 1.5px solid var(--tg-theme-hint-color, #d0d0d0);
    border-radius: var(--radius-sm);
    background: var(--tg-theme-bg-color, #ffffff);
    color: var(--tg-theme-text-color, #000000);
    font-size: 14px;
    font-weight: 500;
    font-family: inherit;
    cursor: pointer;
    transition: all var(--transition);
    -webkit-tap-highlight-color: transparent;
    text-align: center;
}

body.dark .lang-btn {
    background: var(--tg-theme-bg-color, #1c1c1e);
    color: var(--tg-theme-text-color, #ffffff);
    border-color: var(--tg-theme-hint-color, #555555);
}

.lang-btn.active {
    background: var(--tg-theme-button-color, #3390ec);
    color: var(--tg-theme-button-text-color, #ffffff);
    border-color: var(--tg-theme-button-color, #3390ec);
}

.lang-btn:active {
    opacity: 0.8;
    transform: scale(0.98);
}

/* ---------- Settings Screen ---------- */

#screen-settings h1 {
    margin-bottom: var(--spacing-lg);
}

#screen-settings .card h3 {
    margin-bottom: var(--spacing-xs);
}

#screen-settings .card > .hint-text {
    margin-bottom: var(--spacing-lg);
}

/* ---------- Bottom Navigation ---------- */

.bottom-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    display: flex;
    background: var(--tg-theme-bg-color, #ffffff);
    border-top: 1px solid var(--tg-theme-hint-color, #e0e0e0);
    z-index: 90;
    padding-bottom: env(safe-area-inset-bottom, 0);
}

body.dark .bottom-nav {
    background: var(--tg-theme-bg-color, #1c1c1e);
    border-top-color: var(--tg-theme-hint-color, #3a3a3c);
}

.nav-tab {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
    padding: 8px 0 6px;
    border: none;
    background: none;
    cursor: pointer;
    color: var(--tg-theme-hint-color, #999999);
    font-family: inherit;
    font-size: 11px;
    font-weight: 500;
    -webkit-tap-highlight-color: transparent;
    transition: color var(--transition);
}

body.dark .nav-tab {
    color: var(--tg-theme-hint-color, #8e8e93);
}

.nav-tab.active {
    color: var(--tg-theme-button-color, #3390ec);
}

.nav-icon {
    font-size: 20px;
    line-height: 1;
}

.nav-label {
    line-height: 1;
}

/* Add padding to screens when nav is visible */
.screen.has-nav {
    padding-bottom: 80px;
}

@supports (padding-bottom: env(safe-area-inset-bottom)) {
    .screen.has-nav {
        padding-bottom: calc(80px + env(safe-area-inset-bottom));
    }
}

/* ---------- History Screen ---------- */

#screen-history h1 {
    margin-bottom: var(--spacing-lg);
}

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

.history-card {
    background: var(--tg-theme-secondary-bg-color, #f5f5f5);
    border-radius: var(--radius-md);
    padding: var(--spacing-md) var(--spacing-lg);
    cursor: pointer;
    transition: background var(--transition);
    -webkit-tap-highlight-color: transparent;
}

body.dark .history-card {
    background: var(--tg-theme-secondary-bg-color, #2c2c2e);
}

.history-card-date {
    font-size: 13px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--tg-theme-button-color, #3390ec);
    margin-bottom: var(--spacing-xs);
}

.history-card-preview {
    font-size: 14px;
    line-height: 1.4;
    color: var(--tg-theme-hint-color, #999999);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

body.dark .history-card-preview {
    color: var(--tg-theme-hint-color, #8e8e93);
}

.history-card.expanded .history-card-preview {
    display: none;
}

.history-card-full {
    display: none;
    font-size: 15px;
    line-height: 1.65;
    color: var(--tg-theme-text-color, #000000);
    margin-top: var(--spacing-sm);
}

body.dark .history-card-full {
    color: var(--tg-theme-text-color, #ffffff);
}

.history-card.expanded .history-card-full {
    display: block;
}

.history-empty {
    text-align: center;
    padding: var(--spacing-xl) var(--spacing-md);
    color: var(--tg-theme-hint-color, #999999);
    font-size: 15px;
}

body.dark .history-empty {
    color: var(--tg-theme-hint-color, #8e8e93);
}

/* ---------- Responsive / Safe Area ---------- */

@supports (padding-bottom: env(safe-area-inset-bottom)) {
    .screen {
        padding-bottom: calc(var(--spacing-xl) + env(safe-area-inset-bottom));
    }
}