/* 
 * atto3_wallpaper.css
 * Estilos para la galería de wallpapers desde Google Photos
 * Siguiendo el mismo patrón de variables CSS que atto3_log.css
 */

:root {
    /* --- TEMA DARK (Por defecto) --- */
    --bg-main: #121416;
    --text-main: #f8f9fa;
    --text-muted: #adb5bd;
    --text-title: #ffffff;
    --card-bg: #1f2224;
    --card-header-bg: #262a30;
    --card-border: #343a40;
    --input-bg: #1a2332;
    --input-border: rgba(13, 202, 240, 0.3);
    --accent-cyan: #0dcaf0;
    --accent-green: #00ff9d;
    --shadow-color: rgba(0, 0, 0, 0.5);
    --text-placeholder: rgba(255, 255, 255, 0.5);
}

[data-theme='light'] {
    /* --- TEMA LIGHT --- */
    --bg-main: #f4f7f9;
    --text-main: #212529;
    --text-muted: #495057;
    --text-placeholder: #6c757d;
    --text-title: #1a1d21;
    --card-bg: #ffffff;
    --card-header-bg: #f8f9fa;
    --card-border: #dee2e6;
    --input-bg: #ffffff;
    --input-border: #ced4da;
    --accent-cyan: #006680;
    --accent-green: #0a7a4f;
    --shadow-color: rgba(0, 0, 0, 0.1);
}

body {
    background-color: var(--bg-main) !important;
    color: var(--text-main) !important;
    transition: background-color 0.3s ease, color 0.3s ease;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    color: var(--text-title) !important;
}

.text-muted {
    color: var(--text-muted) !important;
}

[data-theme='light'] .text-white-50 {
    color: var(--text-muted) !important;
}

/* --- Content Wrapper --- */
.content-wrapper {
    max-width: 1600px;
    margin: 0 auto;
}

/* --- Login/Connect Wall (Igual que atto3_log.css) --- */
.login-wall,
.connect-wall {
    background: radial-gradient(circle at top center, #1a2a3a 0%, #0f1214 80%);
    min-height: 60vh;
    border-radius: 20px;
    padding: 2rem;
}

[data-theme='light'] .login-wall,
[data-theme='light'] .connect-wall {
    background: linear-gradient(135deg, #e3f2fd 0%, #f5f5f5 100%);
}

.data-card-login {
    background: var(--card-bg);
    border: 2px solid var(--accent-cyan);
    border-radius: 24px;
    box-shadow: 0 20px 50px var(--shadow-color), 0 0 30px rgba(13, 202, 240, 0.15);
    backdrop-filter: blur(10px);
}

.data-card-login h2,
.data-card-login h3 {
    color: var(--text-title) !important;
}

.data-card-login p {
    color: var(--text-muted);
}

.data-card-login .lead {
    font-size: 1rem;
    line-height: 1.6;
}

.btn-google {
    background: white;
    color: #333 !important;
    font-weight: 600;
    border-radius: 50px;
    padding: 14px 32px;
    transition: all 0.3s ease;
    border: 1px solid #ddd;
    display: inline-flex;
    align-items: center;
    text-decoration: none;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    font-size: 1rem;
}

.btn-google:hover {
    background: #f8f9fa;
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
    color: #000 !important;
}

/* --- Info Box (para instrucciones) --- */
.info-box {
    background: rgba(13, 202, 240, 0.08);
    border: 1px solid rgba(13, 202, 240, 0.25);
    border-radius: 16px;
    padding: 1.25rem 1.5rem;
}

[data-theme='light'] .info-box {
    background: #e3f2fd;
    border-color: #90caf9;
}

.info-box li {
    color: var(--text-main);
    font-size: 0.95rem;
    padding: 0.25rem 0;
}

.info-box i {
    font-size: 1.1rem;
}

/* --- Theme Toggle --- */
.theme-toggle {
    position: fixed;
    top: 80px;
    right: 20px;
    width: 45px;
    height: 45px;
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 1000;
    box-shadow: 0 4px 15px var(--shadow-color);
    transition: all 0.3s ease;
}

.theme-toggle:hover {
    transform: scale(1.1);
}

.theme-toggle i {
    font-size: 1.2rem;
    color: var(--accent-cyan);
}

/* --- Photos Grid --- */
.photos-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 1.5rem;
    margin-top: 1rem;
}

.photo-card {
    position: relative;
    aspect-ratio: 16 / 9;
    border-radius: 12px;
    overflow: hidden;
    cursor: pointer;
    background-color: var(--card-bg);
    border: 1px solid var(--card-border);
    transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.photo-card:hover {
    transform: scale(1.05);
    border-color: var(--accent-cyan);
    box-shadow: 0 0 20px rgba(13, 202, 240, 0.3);
    z-index: 2;
}

.photo-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: opacity 0.3s ease;
}

.photo-card .overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.8) 0%, transparent 50%);
    display: flex;
    align-items: flex-end;
    justify-content: flex-end;
    padding: 10px;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.photo-card:hover .overlay {
    opacity: 1;
}

/* --- Full Screen Viewer --- */
.fs-viewer {
    position: fixed;
    inset: 0;
    background: #000;
    z-index: 9999;
    display: none;
    justify-content: center;
    align-items: center;
    cursor: none;
}

.fs-viewer.active {
    display: flex;
}

.fs-viewer img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.fs-controls {
    position: absolute;
    top: 20px;
    right: 20px;
    display: flex;
    gap: 15px;
    opacity: 0.5;
    transition: opacity 0.3s ease;
    z-index: 10001;
    cursor: pointer;
}

.fs-controls:hover {
    opacity: 1;
}

.fs-btn {
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
    border: 1px solid rgba(255, 255, 255, 0.2);
    width: 44px;
    height: 44px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(10px);
}

/* --- Album Chips --- */
.album-chips {
    display: flex;
    gap: 10px;
    overflow-x: auto;
    padding: 10px 0;
    scrollbar-width: none;
}

.album-chip {
    white-space: nowrap;
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    color: var(--text-muted);
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 0.85rem;
    transition: all 0.2s;
    cursor: pointer;
}

.album-chip:hover {
    border-color: var(--accent-cyan);
    color: var(--text-main);
}

.album-chip.active {
    background: var(--accent-cyan);
    color: #fff;
    border-color: var(--accent-cyan);
}

[data-theme='light'] .album-chip.active {
    background: var(--accent-cyan);
    color: #fff;
}

/* --- Spinner --- */
#loading-spinner p {
    color: var(--text-muted);
}