:root {
    --bg-color: #f5f5f7;
    --text-color: #1d1d1f;
    --gray-light: #e5e5ea;
    --gray-dark: #8e8e93;
    --accent: #007aff;
    --mint-green: #00c7b5;
}
/* ================= СЕЗОННЫЕ ТЕМЫ 2026 ================= */
body.theme-winter {
    --bg-color: #f0f4f8; 
    --text-color: #1a252c; 
    --gray-light: #dfe6ec; 
    --gray-dark: #7a8b99; 
    --accent: #007aff; 
    --mint-green: #5ac8fa;
}
body.theme-spring {
    --bg-color: #f4f8f4; 
    --text-color: #2c362d; 
    --gray-light: #e5ede5; 
    --gray-dark: #8c9b8e; 
    --accent: #34c759; 
    --mint-green: #cd93d9;
}
body.theme-summer {
    --bg-color: #fdf6f0; 
    --text-color: #33261d; 
    --gray-light: #f5eadd; 
    --gray-dark: #a38c7a; 
    --accent: #ff9500; 
    --mint-green: #ff2d55;
}
body.theme-autumn {
    --bg-color: #f7f3f0; 
    --text-color: #382a20; 
    --gray-light: #eaddd5; 
    --gray-dark: #9a8374; 
    --accent: #d96c4a; 
    --mint-green: #bf8d3d;
}
/* ======================================================= */
* { box-sizing: border-box; margin: 0; padding: 0; font-family: 'Montserrat', Arial, sans-serif; }
/* Плавная смена цветов темы */
body { 
    background-color: var(--bg-color); 
    color: var(--text-color); 
    display: flex; flex-direction: column; min-height: 100vh; 
    transition: background-color 0.5s ease, color 0.5s ease;
}
.app-header {
    position: fixed; top: 0; left: 0; width: 100%; height: 80px; background: rgba(255, 255, 255, 0.85);
    @supports not (backdrop-filter: blur(10px)) { background: rgba(255, 255, 255, 1); border-bottom: 1px solid var(--gray-light); }
    backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
    z-index: 150; display: flex; align-items: center; border-bottom: 1px solid var(--gray-light); padding: 0 20px;
    transition: border-color 0.5s ease;
}
/* Логотип теперь кнопка */
.header-logo-container { position: absolute; left: 20px; display: flex; align-items: center; }
.desktop-logo, .mobile-logo { transition: transform 0.2s; }
.desktop-logo:active, .mobile-logo:active { transform: scale(0.95); }
.desktop-logo { display: block; width: 150px; height: 40px; object-fit: contain; }
.mobile-logo { display: none; width: 45px; height: 45px; object-fit: contain; }
.header-back-btn { display: flex; align-items: center; font-size: 18px; text-decoration: none; color: var(--text-color); font-weight: 600; transition: color 0.5s ease; }
.back-icon { width: 12px; height: 20px; margin-right: 10px; }
.header-center-container { margin: 0 auto; display: flex; flex-direction: column; align-items: center; position: relative; width: 100%; max-width: 303px; }
.main-title { font-size: 24px; font-weight: 600; margin: 0; letter-spacing: -0.5px; }
.mode-notice { font-size: 12px; color: var(--accent); transition: color 0.5s ease; }
.desktop-search-wrapper { position: absolute; right: 0; top: 100%; margin-top: 2px; display: flex; align-items: center; justify-content: flex-end; width: 100%; }
.desktop-search-input { width: 0; opacity: 0; border: none; border-bottom: 2px solid var(--mint-green); background: transparent; color: var(--text-color); outline: none; font-size: 14px; padding: 2px 0; transition: width 0.4s ease, opacity 0.4s ease, border-color 0.5s ease; }
.desktop-search-input.active { width: calc(100% - 32px); opacity: 1; margin-right: 5px; }
.search-icon { width: 20px; height: 20px; cursor: pointer; flex-shrink: 0; }
.search-icon img { width: 100%; height: 100%; }
.header-mobile-right { display: none; position: absolute; right: 20px; }
.header-badge { position: absolute; right: 20px; display: flex; align-items: center; }
.mobile-badge { display: none; }
.search-results { position: absolute; top: calc(100% + 30px); left: 0; width: 100%; background: #fff; border-radius: 8px; box-shadow: 0 5px 15px rgba(0,0,0,0.1); max-height: 300px; overflow-y: auto; z-index: 100; text-align: left; }
.search-item { padding: 10px 15px; border-bottom: 1px solid var(--gray-light); cursor: pointer; font-size: 14px; color: #1d1d1f; transition: border-color 0.5s ease; }
.search-item:hover { background: var(--bg-color); }
.mobile-search-overlay { position: fixed; top: 0; left: 0; right: 0; bottom: 0; background: #fff; z-index: 200; display: flex; flex-direction: column; }
.ms-header { display: flex; padding: 15px 20px; border-bottom: 1px solid var(--gray-light); align-items: center; gap: 10px; transition: border-color 0.5s ease; }
.ms-header input { flex: 1; padding: 10px 15px; border: none; background: var(--gray-light); color: var(--text-color); border-radius: 10px; font-size: 16px; outline: none; transition: background-color 0.5s ease; }
.ms-close-btn { background: none; border: none; color: var(--accent); font-size: 16px; cursor: pointer; transition: color 0.5s ease; }
.ms-results-area { flex: 1; overflow-y: auto; }
.content-wrapper { flex: 1; padding: 100px 20px 40px 20px; }
.albums-grid { display: grid; grid-template-columns: repeat(5, 200px); gap: 40px 20px; justify-content: center; max-width: 1200px; margin: 0 auto; }
.album-card { position: relative; width: 100%; text-align: center; }
.album-folder { width: 200px; height: 200px; background-color: var(--gray-light); border-radius: 10px; overflow: hidden; margin: 0 auto 10px auto; position: relative; box-shadow: 0 4px 6px rgba(0,0,0,0.1); transition: background-color 0.5s ease; }
.album-link { text-decoration: none; color: inherit; display: block; height: 100%; }
.album-title { font-size: 14px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; padding-top: 5px; transition: color 0.5s ease; }
.micro-thumbs-grid { 
    display: grid; grid-template-columns: 1fr 1fr; grid-template-rows: 1fr 1fr; gap: 2px; width: 100%; height: 100%; 
    background-color: var(--gray-light); 
    background-image: linear-gradient(to right, transparent calc(50% - 1px), #ffffff calc(50% - 1px), #ffffff calc(50% + 1px), transparent calc(50% + 1px)),
                      linear-gradient(to bottom, transparent calc(50% - 1px), #ffffff calc(50% - 1px), #ffffff calc(50% + 1px), transparent calc(50% + 1px));
    transition: background-color 0.5s ease;
}
.micro-thumb { background-color: var(--gray-light); width: 100%; height: 100%; overflow: hidden; transition: background-color 0.5s ease; }
.micro-thumb img, .cover-image { width: 100%; height: 100%; object-fit: cover; }
.menu-dots { position: absolute; bottom: 25px; right: 5px; width: 30px; height: 30px; background: rgba(255,255,255,0.8); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: bold; cursor: pointer; font-size: 18px; z-index: 10; color: #1d1d1f; }
.dropdown-menu { display: none; position: absolute; top: calc(100% - 20px); right: 0; background: #fff; border: 1px solid var(--gray-light); box-shadow: 0 4px 10px rgba(0,0,0,0.1); border-radius: 8px; z-index: 1020; min-width: 170px; text-align: left; transition: border-color 0.5s ease; }
.dropdown-menu a { display: block; padding: 10px 15px; text-decoration: none; color: #1d1d1f; font-size: 14px; }
.dropdown-menu a:hover { background: var(--bg-color); border-radius: 8px; }
.dropdown-menu.active { display: block; }
.media-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 20px; width: 100%; }
.media-card { position: relative; width: 100%; aspect-ratio: 1 / 1; }
.media-thumb { width: 100%; height: 100%; cursor: pointer; position: relative; border-radius: 8px; overflow: hidden; background: var(--gray-light); box-shadow: 0 2px 5px rgba(0,0,0,0.1); transition: background-color 0.5s ease; }
.media-thumb img { width: 100%; height: 100%; object-fit: cover; }
.video-indicator { position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); color: rgba(255,255,255,0.8); font-size: 40px; text-shadow: 0 0 10px rgba(0,0,0,0.5); pointer-events: none; }
.media-card .menu-dots { bottom: 5px; right: 5px; }
.media-card .dropdown-menu { top: 100%; }
.lightbox { position: fixed; top: 0; left: 0; width: 100vw; height: 100vh; z-index: 1000; display: flex; flex-direction: column; transition: background-color 0.3s ease; }
.lightbox.theme-black { background-color: rgba(0, 0, 0, 0.95); }
.lightbox.theme-gray  { background-color: rgba(60, 60, 65, 0.95); }
.lightbox.theme-white { background-color: rgba(255, 255, 255, 0.95); }
.lightbox.theme-white .lb-loader-text { color: #1d1d1f; font-weight: bold; }
.hidden { display: none !important; }
.lb-controls { position: absolute; top: 30px; right: 30px; display: flex; gap: 15px; z-index: 9999; }
.lb-control-group { position: relative; }
.lb-circle-btn { width: 45px; height: 45px; border-radius: 50%; background: rgba(0, 0, 0, 0.5); color: #fff; display: flex; align-items: center; justify-content: center; font-size: 22px; cursor: pointer; backdrop-filter: blur(5px); -webkit-backdrop-filter: blur(5px); transition: background 0.3s, transform 0.1s; user-select: none; }
.lb-circle-btn:hover { background: rgba(0, 0, 0, 0.8); transform: scale(1.05); }
.lb-controls .dropdown-menu { top: 100%; right: 0; margin-top: 10px; }
.lb-content { flex: 1; display: flex; align-items: center; justify-content: center; position: relative; width: 100vw; height: 100vh; z-index: 1001; }
#lb-media-container { width: 100vw; height: 100vh; max-width: 100vw; max-height: 100vh; overflow: hidden; display: flex; align-items: center; justify-content: center; position: relative; }
#lb-media-container img, #lb-media-container video { max-width: 100vw; max-height: 100vh; object-fit: contain; }
.grab-cursor { cursor: grab; }
.grabbing-cursor { cursor: grabbing; }
.lb-nav { position: absolute; top: 50%; transform: translateY(-50%); background: rgba(0, 0, 0, 0.3); border: none; color: #fff; font-size: 60px; width: 70px; height: 70px; border-radius: 50%; cursor: pointer; display: flex; align-items: center; justify-content: center; transition: background 0.3s, transform 0.2s; z-index: 9998; }
.lb-nav.prev { left: 4%; }
.lb-nav.next { right: 4%; padding-left: 5px; }
.lb-nav:hover { background: rgba(0, 0, 0, 0.7); transform: translateY(-50%) scale(1.1); }
.lb-loader { position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); text-align: center; color: #fff; width: 200px; z-index: 9999; }
.lb-loader-text { margin-bottom: 10px; font-size: 14px; }
.progress-bar { width: 100%; height: 4px; background: #555; border-radius: 2px; overflow: hidden; }
.progress-fill { height: 100%; width: 0%; background: var(--mint-green); transition: width 0.3s ease; }
.app-footer { text-align: center; padding: 20px 10px 30px 10px; font-family: 'Quicksand', sans-serif; font-size: 14px; color: var(--gray-dark); transition: color 0.5s ease; }
/* =========================================
   КНОПКА И МОДАЛЬНЫЕ ОКНА ЗАГРУЗКИ
   ========================================= */
.upload-trigger-container { width: 100%; display: flex; justify-content: center; margin-bottom: 30px; }
.upload-trigger-btn { 
    background: var(--mint-green); color: #fff; border: none; padding: 15px 30px; font-size: 16px; 
    font-weight: bold; border-radius: 30px; cursor: pointer; display: flex; align-items: center; gap: 10px;
    box-shadow: 0 4px 15px rgba(0, 199, 181, 0.4); transition: transform 0.2s, box-shadow 0.2s;
}
.upload-trigger-btn:hover { transform: translateY(-2px); box-shadow: 0 6px 20px rgba(0, 199, 181, 0.5); }
.upload-modal-wrapper { position: fixed; top: 0; left: 0; width: 100vw; height: 100vh; background: rgba(0,0,0,0.7); backdrop-filter: blur(5px); -webkit-backdrop-filter: blur(5px); z-index: 2000; display: flex; align-items: center; justify-content: center; opacity: 1; transition: opacity 0.3s; }
.upload-modal-wrapper.hidden { opacity: 0; pointer-events: none; }
.upload-box { background: var(--bg-color); width: 90%; max-width: 400px; padding: 30px; border-radius: 15px; box-shadow: 0 10px 30px rgba(0,0,0,0.3); position: relative; text-align: center; }
.upload-close { position: absolute; top: 15px; right: 15px; font-size: 20px; cursor: pointer; color: var(--gray-dark); }
.upload-box h2 { font-size: 20px; font-weight: 600; margin-bottom: 10px; color: var(--text-color); }
.upload-hint { font-size: 13px; color: var(--gray-dark); margin-bottom: 20px; }
.upload-input { width: 100%; padding: 12px 15px; margin-bottom: 15px; border: 1px solid var(--gray-light); border-radius: 8px; font-size: 14px; background: #fff; outline: none; }
.upload-input:focus { border-color: var(--mint-green); }
.upload-submit-btn { width: 100%; background: var(--accent); color: #fff; border: none; padding: 12px; font-size: 16px; border-radius: 8px; cursor: pointer; transition: background 0.2s; font-weight: bold; }
.upload-submit-btn:disabled { background: var(--gray-dark); cursor: not-allowed; }
.upload-error { color: #ff3b30; font-size: 13px; margin-top: 15px; }
/* Зона Drag&Drop файла */
.file-drop-area { border: 2px dashed var(--mint-green); background: rgba(0, 199, 181, 0.05); padding: 40px 20px; border-radius: 10px; cursor: pointer; margin-bottom: 20px; position: relative; transition: background 0.2s; }
.file-drop-area.dragover { background: rgba(0, 199, 181, 0.2); border-style: solid; }
.file-drop-area input[type="file"] { position: absolute; top: 0; left: 0; width: 100%; height: 100%; opacity: 0; cursor: pointer; }
.upload-progress-container { width: 100%; height: 6px; background: var(--gray-light); border-radius: 3px; overflow: hidden; margin-bottom: 20px; }
.upload-progress-bar { width: 0%; height: 100%; background: var(--mint-green); transition: width 0.2s linear; }
@media (max-width: 1100px) {
    .albums-grid { grid-template-columns: repeat(3, 200px); }
    .desktop-logo { display: none !important; }
    .mobile-logo { display: block !important; }
    .desktop-only { display: none !important; }
    .desktop-only-menu { display: none !important; } 
    .header-logo-container { left: 15px; }
    .header-back-btn { font-size: 16px; }
    .header-center-container { max-width: 200px; }
    .main-title { font-size: 18px; text-align: center; }
    
    .desktop-search-wrapper { display: none !important; } 
    .header-mobile-right { display: block; } 
    .lb-controls { top: 15px; right: 15px; gap: 10px; }
    .lb-circle-btn { width: 40px; height: 40px; font-size: 18px; }
    .lb-nav { display: none !important; }
    .mobile-only { display: flex !important; justify-content: center; margin-top: 40px; margin-bottom: 10px; width: 100%; }
}
@media (max-width: 768px) and (orientation: landscape) { .albums-grid { grid-template-columns: repeat(3, 200px); } }
@media (max-width: 500px) {
    .albums-grid { grid-template-columns: repeat(2, 160px); }
    .album-folder { width: 160px !important; height: 160px !important; }
}
@media (prefers-reduced-motion: reduce) { * { animation: none !important; transition: none !important; } }