:root, html.theme-light {
    --bg-gradient: linear-gradient(135deg, #e0c3fc, #8ec5fc);
    --text-color: #222;
    --glass-bg: rgba(255, 255, 255, 0.75);
    --glass-border: rgba(255, 255, 255, 0.5);
    --btn-primary-bg: linear-gradient(45deg, #007bff, #00d2ff);
    --btn-primary-shadow: rgba(0,123,255,0.4);
    --input-bg: rgba(255,255,255,0.5);
    --input-focus: rgba(255,255,255,0.8);
    --input-border: rgba(255,255,255,0.6);
    --link-color: #007bff;
    --theme-color: #007bff;
    --btn-primary-text: #fff;
    --msg-mine-bg: linear-gradient(45deg, #007bff, #00d2ff);
    --msg-mine-text: #fff;
    --nav-text: #555;
    --table-border: rgba(0,0,0,0.1);
    --box-shadow-color: rgba(31, 38, 135, 0.05);
}
html.theme-dark {
    --bg-gradient: linear-gradient(135deg, #111, #2b2b2b);
    --text-color: #f1f1f1;
    --glass-bg: rgba(30, 30, 30, 0.85);
    --glass-border: rgba(255, 255, 255, 0.1);
    --btn-primary-bg: #fff;
    --btn-primary-shadow: rgba(255,255,255,0.2);
    --input-bg: rgba(0,0,0,0.4);
    --input-focus: rgba(0,0,0,0.7);
    --input-border: rgba(255,255,255,0.2);
    --link-color: #fff;
    --theme-color: #fff;
    --btn-primary-text: #000;
    --msg-mine-bg: rgba(255,255,255,0.2);
    --msg-mine-text: #fff;
    --nav-text: #ccc;
    --table-border: rgba(255,255,255,0.1);
    --box-shadow-color: rgba(0, 0, 0, 0.5);
}
html.theme-pink {
    --bg-gradient: linear-gradient(135deg, #ff9a9e, #fecfef);
    --text-color: #4a0024;
    --glass-bg: rgba(255, 240, 245, 0.75);
    --glass-border: rgba(255, 182, 193, 0.6);
    --btn-primary-bg: linear-gradient(45deg, #ff0844, #ffb199);
    --btn-primary-shadow: rgba(255,8,68,0.4);
    --input-bg: rgba(255,255,255,0.6);
    --input-focus: rgba(255,255,255,0.9);
    --input-border: rgba(255,182,193,0.8);
    --link-color: #d10034;
    --theme-color: #d10034;
    --btn-primary-text: #fff;
    --msg-mine-bg: linear-gradient(45deg, #ff0844, #ffb199);
    --msg-mine-text: #fff;
    --nav-text: #4a0024;
    --table-border: rgba(255,182,193,0.5);
    --box-shadow-color: rgba(255, 8, 68, 0.1);
}
html.theme-cheza {
    --bg-gradient: linear-gradient(135deg, #0a0a0a, #1c1c1c);
    --text-color: #ffcc00;
    --glass-bg: rgba(20, 20, 20, 0.9);
    --glass-border: rgba(255, 204, 0, 0.4);
    --btn-primary-bg: linear-gradient(45deg, #b38600, #ffcc00);
    --btn-primary-shadow: rgba(255,204,0,0.3);
    --input-bg: rgba(0,0,0,0.6);
    --input-focus: rgba(40,40,40,0.9);
    --input-border: rgba(255,204,0,0.5);
    --link-color: #ffdd33;
    --theme-color: #ffcc00;
    --btn-primary-text: #000;
    --msg-mine-bg: #b38600;
    --msg-mine-text: #000;
    --nav-text: #ffcc00;
    --table-border: rgba(255,204,0,0.2);
    --box-shadow-color: rgba(255, 204, 0, 0.1);
}
html.theme-fun {
    --bg-gradient: linear-gradient(135deg, #ff9a9e, #fecfef, #a1c4fd, #c2e9fb);
    background-size: 400% 400%;
    animation: FunBg 15s ease infinite;
    --text-color: #111;
    --glass-bg: rgba(255, 255, 255, 0.6);
    --glass-border: rgba(255, 0, 128, 0.5);
    --btn-primary-bg: linear-gradient(45deg, #ff0080, #40e0d0);
    --btn-primary-shadow: rgba(255,0,128,0.4);
    --input-bg: rgba(255,255,255,0.6);
    --input-focus: rgba(255,255,255,0.9);
    --input-border: rgba(255,0,128,0.5);
    --link-color: #ff0080;
    --theme-color: #ff0080;
    --btn-primary-text: #fff;
    --msg-mine-bg: linear-gradient(45deg, #ff0080, #40e0d0);
    --msg-mine-text: #fff;
    --nav-text: #333;
    --table-border: rgba(255,0,128,0.2);
    --box-shadow-color: rgba(255, 0, 128, 0.15);
}
@keyframes FunBg { 0%{background-position:0% 50%} 50%{background-position:100% 50%} 100%{background-position:0% 50%} }

body { font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif; margin: 0; background: var(--bg-gradient); background-attachment: fixed; color: var(--text-color); min-height: 100vh; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }

/* Optimalizovaný Glassmorphism základ */
.glass-box, .main-header, .form-wrapper, .listing-item, .listing-detail, .search-bar, .sidebar, .profile-section, .chat-container, .stat-card { background: var(--glass-bg) !important; backdrop-filter: blur(6px) !important; -webkit-backdrop-filter: blur(6px) !important; border: 1px solid var(--glass-border) !important; border-radius: 15px !important; box-shadow: 0 4px 15px 0 var(--box-shadow-color) !important; color: var(--text-color); will-change: transform; }

.main-header { padding: 15px 0; border-radius: 0 !important; border-top: none !important; border-left: none !important; border-right: none !important; margin-bottom: 20px; }
.main-header .container { display: flex; justify-content: space-between; align-items: center; }
.logo { font-size: 1.5em; font-weight: bold; text-decoration: none; color: var(--text-color); }
.main-nav ul { list-style: none; margin: 0; padding: 0; display: flex; align-items: center; gap: 20px; }
.main-nav a { text-decoration: none; color: var(--nav-text); font-weight: 500; }
.main-nav a:hover { color: var(--link-color); }
.main-content { padding: 40px 0; }
.welcome-user { color: var(--text-color); }
a { color: var(--link-color); }

/* Glow Tlačítka */
.btn { padding: 10px 15px; border-radius: 10px; text-decoration: none; display: inline-block; transition: 0.3s; }
.btn-primary { background: var(--btn-primary-bg); color: var(--btn-primary-text); font-weight: bold; border: none; box-shadow: 0 0 12px var(--btn-primary-shadow); text-shadow: none; }
.btn-primary:hover { box-shadow: 0 0 20px var(--btn-primary-shadow); transform: translateY(-2px); }
.btn-success { background: linear-gradient(45deg, #28a745, #20c997); color: white; border: none; cursor: pointer; padding: 10px 15px; border-radius: 10px; font-size: 1em; box-shadow: 0 0 12px rgba(40,167,69,0.4); text-shadow: 0 1px 2px rgba(0,0,0,0.2); transition: 0.3s; }
.btn-success:hover { box-shadow: 0 0 20px rgba(40,167,69,0.8); transform: translateY(-2px); }
.btn-outline { border: 1px solid var(--theme-color); color: var(--theme-color); background: rgba(255,255,255,0.05); padding: 10px 15px; border-radius: 10px; text-decoration: none; display: inline-block; backdrop-filter: blur(5px); }
.btn-outline:hover { background: var(--theme-color); color: var(--btn-primary-text); box-shadow: 0 0 15px var(--btn-primary-shadow); }
.btn-facebook { background: linear-gradient(45deg, #1877F2, #3b5998); color: white; border: none; box-shadow: 0 0 12px rgba(24,119,242,0.4); }
.btn-whatsapp { background: linear-gradient(45deg, #25D366, #128C7E); color: white; border: none; box-shadow: 0 0 12px rgba(37,211,102,0.4); }
.btn-facebook:hover, .btn-whatsapp:hover { transform: translateY(-2px); color: white; }

.form-wrapper { max-width: 400px; margin: 40px auto; padding: 30px; }
.form-wrapper h1 { margin-top: 0; text-align: center; }
.form-group { margin-bottom: 20px; }
.form-group label { display: block; margin-bottom: 5px; font-weight: 500; }
.form-group input, .form-group select, .form-group textarea, .chat-form input, .search-bar input, .search-bar select { background: var(--input-bg) !important; color: var(--text-color); border: 1px solid var(--input-border) !important; border-radius: 10px !important; backdrop-filter: blur(5px); width: 100%; padding: 10px; box-sizing: border-box; transition: 0.3s; }
.form-group input:focus, .form-group select:focus, .form-group textarea:focus, .chat-form input:focus { outline: none; box-shadow: 0 0 15px rgba(255,255,255,0.9); background: var(--input-focus) !important; }
.form-submit { width: 100%; padding: 12px; background: linear-gradient(45deg, #28a745, #20c997); color: white; border: none; border-radius: 10px; font-size: 1em; cursor: pointer; box-shadow: 0 0 15px rgba(40,167,69,0.5); transition: 0.3s; }
.form-submit:hover { box-shadow: 0 0 25px rgba(40,167,69,0.9); transform: translateY(-2px); }

.message { padding: 15px; margin-bottom: 20px; border-radius: 5px; }
.message.error { background-color: #f8d7da; color: #721c24; border: 1px solid #f5c6cb; }
.message.success { background-color: #d4edda; color: #155724; border: 1px solid #c3e6cb; }
.notification-bell { position: relative; font-size: 1.4em; text-decoration: none; display: inline-block; margin-right: 15px; }
.notification-bell .badge { position: absolute; top: -5px; right: -10px; background: #dc3545; color: white; border-radius: 50%; padding: 2px 6px; font-size: 0.6em; font-weight: bold; border: 2px solid #fff; }
.listings-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 15px; margin-top: 15px; }
.listing-item { transition: transform 0.3s, box-shadow 0.3s; overflow: hidden; }
.listing-item:hover { transform: translateY(-8px); box-shadow: 0 12px 40px 0 rgba(31, 38, 135, 0.2) !important; }
.listing-item a { text-decoration: none; color: inherit; display: block; }
.listing-item img { width: 100%; height: 140px; object-fit: cover; border-bottom: 1px solid rgba(255,255,255,0.5); border-radius: 15px 15px 0 0; }
.listing-item h3 { margin: 10px 10px 5px; font-size: 1em; color: var(--text-color); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.listing-item .price { margin: 0 10px 10px; font-weight: bold; color: #28a745; font-size: 1.1em; }
.listing-detail { padding: 30px; }
.listing-meta { margin-top: 20px; padding-top: 20px; border-top: 1px solid rgba(0,0,0,0.1); color: #555; }
.search-bar { padding: 10px 20px; margin-bottom: 15px; }
.search-bar form { display: flex; gap: 10px; flex-wrap: nowrap; align-items: center; }
.search-bar input[type="text"], .search-bar select { flex: 1; min-width: 120px; padding: 8px !important; }
.gallery-main { width: 100%; max-height: 500px; object-fit: contain; border-radius: 15px; background: rgba(0,0,0,0.05); margin-bottom: 10px; }
.gallery-thumbs { display: flex; gap: 10px; overflow-x: auto; margin-bottom: 20px; }
.gallery-thumbs img { width: 80px; height: 80px; object-fit: cover; border-radius: 4px; cursor: pointer; border: 2px solid transparent; transition: border-color 0.2s; }
.gallery-thumbs img:hover { border-color: var(--theme-color); }

/* Bargraf pro aukce */
.bar-pulse-fast { animation: pulseRed 0.5s infinite alternate; }
@keyframes pulseRed { from { opacity: 1; background: #dc3545; box-shadow: 0 0 8px #dc3545; } to { opacity: 0.5; background: #ff4d4d; box-shadow: 0 0 2px #dc3545; } }
@media (max-width: 768px) { .search-bar form { flex-wrap: wrap; } }
/* Nový layout 1/3 a 2/3 */
.main-layout { display: grid; grid-template-columns: 250px 1fr; gap: 30px; align-items: start; }
.sidebar { padding: 20px; }
.sidebar h3 { margin-top: 0; border-bottom: 2px solid var(--theme-color); padding-bottom: 10px; display: inline-block; }
.category-list { list-style: none; padding: 0; margin: 0; }
.category-list li { margin-bottom: 8px; }
.category-list a { text-decoration: none; color: var(--text-color); transition: color 0.2s; }
.category-list a:hover { color: var(--link-color); font-weight: bold; }
.category-list ul { list-style: none; padding-left: 15px; margin-top: 5px; font-size: 0.9em; border-left: 1px solid rgba(0,0,0,0.1); }
.profile-section { padding: 20px; margin-bottom: 30px; }
.table { width: 100%; border-collapse: collapse; margin-top: 10px; }
.table th, .table td { padding: 10px; text-align: left; border-bottom: 1px solid var(--table-border); }
.chat-container { display: flex; flex-direction: column; height: 500px; max-width: 800px; margin: 0 auto; overflow: hidden; }
.chat-header { padding: 15px; border-bottom: 1px solid rgba(255,255,255,0.5); background: rgba(255,255,255,0.2); font-weight: bold; }
.chat-messages { flex: 1; padding: 15px; overflow-y: auto; display: flex; flex-direction: column; gap: 10px; }
.chat-message { padding: 10px 15px; border-radius: 20px; max-width: 70%; word-wrap: break-word; box-shadow: 0 4px 10px rgba(0,0,0,0.05); }
.msg-mine { background: var(--msg-mine-bg); color: var(--msg-mine-text); align-self: flex-end; border-bottom-right-radius: 5px; }
.msg-theirs { background: var(--glass-bg); color: var(--text-color); align-self: flex-start; border-bottom-left-radius: 5px; }
.chat-form { padding: 15px; border-top: 1px solid rgba(255,255,255,0.5); display: flex; gap: 10px; }
.stat-cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 20px; margin-bottom: 20px; }
.stat-card { padding: 20px; border-left: 4px solid var(--theme-color); }
.stat-card h3 { margin: 0 0 10px 0; font-size: 1.1em; opacity: 0.8; }
.stat-card p { margin: 0; font-size: 1.8em; font-weight: bold; color: var(--text-color); }
.pagination { display: flex; justify-content: center; flex-wrap: wrap; gap: 5px; margin-top: 30px; }
.pagination a { padding: 8px 12px; background: var(--glass-bg); border: 1px solid var(--glass-border); text-decoration: none; color: var(--theme-color); border-radius: 8px; transition: 0.3s; backdrop-filter: blur(5px); }
.pagination a.active { background: var(--btn-primary-bg); color: var(--btn-primary-text); border: none; box-shadow: 0 0 10px var(--btn-primary-shadow); }
.pagination a:hover:not(.active) { background: var(--input-focus); box-shadow: 0 0 10px var(--glass-border); }

/* Záložky pro Profil */
.tab-buttons { display: flex; gap: 10px; overflow-x: auto; margin-bottom: 25px; border-bottom: 2px solid rgba(255,255,255,0.4); padding-bottom: 15px; }
.tab-btn { background: rgba(255,255,255,0.3); border: 1px solid rgba(255,255,255,0.5); padding: 10px 20px; border-radius: 12px; cursor: pointer; transition: 0.3s; font-weight: bold; color: #444; backdrop-filter: blur(5px); white-space: nowrap; }
.tab-btn:hover { background: rgba(255,255,255,0.6); box-shadow: 0 0 15px rgba(255,255,255,0.6); }
.tab-btn.active { background: var(--btn-primary-bg); color: var(--btn-primary-text); border: none; box-shadow: 0 0 15px var(--btn-primary-shadow); text-shadow: none; }
.tab-content { display: none; animation: fadeIn 0.4s; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }

/* Modální okno */
.modal-overlay { display: none; position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: rgba(0,0,0,0.6); z-index: 1000; align-items: center; justify-content: center; backdrop-filter: blur(3px); }
.modal-overlay.active { display: flex; animation: fadeIn 0.2s; }
.modal-content { background: #fff; padding: 30px; border-radius: 15px; width: 90%; max-width: 500px; box-shadow: 0 10px 30px rgba(0,0,0,0.2); position: relative; }