:root {
    color-scheme: dark;
    --bg-dark: #0b0e14;
    --bg-control: #131825;
    --bg-card: rgba(19, 24, 37, 0.75);
    --bg-card-hover: rgba(27, 34, 52, 0.9);
    --border-color: rgba(255, 255, 255, 0.08);
    --border-glow: rgba(0, 242, 254, 0.3);
    
    --primary: #00f2fe;
    --primary-gradient: linear-gradient(135deg, #00f2fe 0%, #4facfe 100%);
    --secondary-gradient: linear-gradient(135deg, #8a2be2 0%, #4a00e0 100%);
    
    --text-main: #f0f4f8;
    --text-muted: #8a99ad;
    --text-dim: #5c6b73;
    
    --badge-high: #ff4757;
    --badge-med: #ffa502;
    --badge-low: #2ed573;
    
    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 20px;
    
    --glass-blur: blur(16px);
    --shadow-main: 0 10px 30px rgba(0, 0, 0, 0.5);
}

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

body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    background-color: var(--bg-dark);
    background-image: 
        radial-gradient(circle at 15% 15%, rgba(0, 242, 254, 0.07) 0%, transparent 40%),
        radial-gradient(circle at 85% 85%, rgba(138, 43, 226, 0.07) 0%, transparent 40%);
    color: var(--text-main);
    min-height: 100vh;
    overflow-x: hidden;
}

/* Layout */
.app-container {
    display: flex;
    height: 100vh;
    width: 100vw;
}

/* Sidebar */
.sidebar {
    width: 260px;
    background: rgba(11, 14, 20, 0.85);
    backdrop-filter: var(--glass-blur);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    padding: 24px 16px;
    flex-shrink: 0;
}

.brand {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 0 8px 24px 8px;
    border-bottom: 1px solid var(--border-color);
}

.brand-logo {
    width: 42px;
    height: 42px;
    border-radius: var(--radius-sm);
    background: var(--primary-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    color: #fff;
    box-shadow: 0 0 15px rgba(0, 242, 254, 0.4);
}

.brand-text h1 {
    font-size: 20px;
    font-weight: 800;
    letter-spacing: 0.5px;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.badge-tag {
    font-size: 10px;
    text-transform: uppercase;
    background: rgba(0, 242, 254, 0.15);
    color: var(--primary);
    padding: 2px 6px;
    border-radius: 4px;
    font-weight: 600;
}

.nav-menu {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-top: 24px;
    flex: 1;
}

.nav-btn {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 12px 16px;
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-size: 15px;
    font-weight: 500;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all 0.2s ease;
    text-align: left;
}

.nav-btn i {
    font-size: 18px;
    width: 20px;
}

.nav-btn:hover {
    color: var(--text-main);
    background: rgba(255, 255, 255, 0.04);
}

.nav-btn.active {
    color: #fff;
    background: var(--primary-gradient);
    box-shadow: 0 4px 15px rgba(0, 242, 254, 0.3);
    font-weight: 600;
}

.nav-btn .badge {
    margin-left: auto;
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-muted);
    font-size: 11px;
    padding: 2px 8px;
    border-radius: 12px;
}

.nav-btn.active .badge {
    background: rgba(255, 255, 255, 0.25);
    color: #fff;
}

.server-status-card {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px;
    background: rgba(255, 255, 255, 0.03);
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
}

.status-indicator {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: #4cd137;
    box-shadow: 0 0 8px #4cd137;
}

.status-info {
    display: flex;
    flex-direction: column;
}

.status-title {
    font-size: 12px;
    font-weight: 600;
}

.status-sub {
    font-size: 10px;
    color: var(--text-muted);
}

/* Main Content Area */
.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.topbar {
    height: 70px;
    padding: 0 32px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid var(--border-color);
    background: rgba(11, 14, 20, 0.5);
    backdrop-filter: var(--glass-blur);
}

.search-bar-container {
    position: relative;
    width: 380px;
}

.search-bar-container input {
    width: 100%;
    padding: 10px 16px 10px 42px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: #fff;
    font-size: 14px;
    outline: none;
    transition: all 0.2s ease;
}

.search-bar-container input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 10px rgba(0, 242, 254, 0.2);
}

.search-icon {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
}

.topbar-actions {
    display: flex;
    gap: 12px;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 18px;
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    border: none;
}

.btn-primary {
    background: var(--primary-gradient);
    color: #0b0e14;
    box-shadow: 0 4px 15px rgba(0, 242, 254, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 242, 254, 0.4);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.08);
    color: #fff;
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.15);
}

.btn-outline {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-main);
}

.btn-outline:hover {
    border-color: var(--primary);
    color: var(--primary);
}

.btn-steam {
    background: linear-gradient(135deg, #171a21 0%, #2a475e 100%);
    color: #fff;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.btn-steam:hover {
    box-shadow: 0 4px 15px rgba(42, 71, 94, 0.5);
}

/* Tab Panes */
.tab-content-area {
    flex: 1;
    overflow-y: auto;
    padding: 32px;
}

.tab-pane {
    display: none;
}

.tab-pane.active {
    display: block;
}

.pane-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
}

.pane-header h2 {
    font-size: 24px;
    font-weight: 700;
}

.pane-header .subtitle {
    font-size: 14px;
    color: var(--text-muted);
    margin-top: 4px;
}

/* Filter Pills */
.filter-pills {
    display: flex;
    gap: 8px;
    background: rgba(255, 255, 255, 0.03);
    padding: 4px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
}

.pill {
    padding: 6px 14px;
    border-radius: 6px;
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
}

.pill.active {
    background: rgba(255, 255, 255, 0.12);
    color: #fff;
    font-weight: 600;
}

/* Grid Cards */
.grid-cards {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
}

.glass-card {
    background: var(--bg-card);
    backdrop-filter: var(--glass-blur);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 18px;
    transition: all 0.25s ease;
    position: relative;
    overflow: hidden;
}

.glass-card:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-glow);
    transform: translateY(-4px);
    box-shadow: var(--shadow-main);
}

/* Purchase / Game Card Specifics */
.game-card-header {
    display: flex;
    gap: 14px;
    align-items: center;
    margin-bottom: 12px;
}

.game-artwork {
    width: 64px;
    height: 64px;
    border-radius: var(--radius-sm);
    object-fit: cover;
    background: rgba(255, 255, 255, 0.05);
}

.game-info h3 {
    font-size: 16px;
    font-weight: 700;
    line-height: 1.3;
}

.game-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-top: 10px;
}

.tag-badge {
    font-size: 11px;
    padding: 3px 8px;
    border-radius: 6px;
    font-weight: 600;
}

.tag-price {
    background: rgba(46, 213, 115, 0.15);
    color: #2ed573;
    border: 1px solid rgba(46, 213, 115, 0.3);
}

.tag-discount {
    background: rgba(255, 71, 87, 0.2);
    color: #ff4757;
    border: 1px solid rgba(255, 71, 87, 0.4);
}

.tag-priority-HIGH {
    background: rgba(255, 71, 87, 0.15);
    color: #ff4757;
}

.tag-priority-MEDIUM {
    background: rgba(255, 165, 2, 0.15);
    color: #ffa502;
}

.tag-priority-LOW {
    background: rgba(138, 153, 173, 0.15);
    color: #8a99ad;
}

.game-card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 14px;
    padding-top: 10px;
    border-top: 1px solid var(--border-color);
    font-size: 12px;
    color: var(--text-muted);
}

.fav-star {
    cursor: pointer;
    font-size: 16px;
    color: var(--text-muted);
    transition: color 0.2s;
}

.fav-star.active {
    color: #f1c40f;
}

/* Modals */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.modal-dialog {
    width: 480px;
    max-width: 90vw;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-glow);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border-color);
}

.modal-close {
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 24px;
    cursor: pointer;
}

.form-group {
    margin-top: 14px;
}

.form-group label {
    display: block;
    font-size: 12px;
    color: var(--text-muted);
    margin-bottom: 6px;
    font-weight: 600;
}

.form-control {
    width: 100%;
    padding: 10px 14px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: #fff;
    font-size: 14px;
    outline: none;
}

.form-control:focus {
    border-color: var(--primary);
}

.autocomplete-container {
    position: relative;
}

.autocomplete-results {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: #131825;
    border: 1px solid var(--border-glow);
    border-radius: var(--radius-sm);
    max-height: 200px;
    overflow-y: auto;
    z-index: 100;
    box-shadow: var(--shadow-main);
}

.autocomplete-item {
    padding: 10px 14px;
    cursor: pointer;
    font-size: 13px;
    border-bottom: 1px solid var(--border-color);
}

.autocomplete-item:hover {
    background: rgba(0, 242, 254, 0.1);
    color: var(--primary);
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
    margin-top: 20px;
}

.hidden {
    display: none !important;
}

/* Toast notifications */
#toast-container {
    position: fixed;
    bottom: 24px;
    right: 24px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    z-index: 2000;
}

.toast {
    padding: 12px 20px;
    background: rgba(19, 24, 37, 0.95);
    border-left: 4px solid var(--primary);
    border-radius: var(--radius-sm);
    color: #fff;
    font-size: 14px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(10px);
}

/* Release editor, filters and mobile layout */
.topbar { height: auto; min-height: 90px; flex-wrap: wrap; gap: 12px; padding: 16px 24px; flex-shrink: 0; }
.topbar > .glass-card { flex: 1 1 100%; margin: 0 !important; padding: 12px; }
.topbar > .glass-card:hover, .note-editor-panel:hover, .modal-dialog:hover { transform: none; }
.search-bar-container { flex: 1; min-width: 180px; }
.feature-toolbar, .header-actions, .form-row { display: flex; align-items: end; flex-wrap: wrap; gap: 12px; margin-bottom: 16px; }
.feature-toolbar label, .form-row label { flex: 1; min-width: 140px; }
label { display: block; font-size: 13px; color: var(--text-muted); margin: 10px 0; }
input[type="checkbox"] { accent-color: var(--primary); }
select,select.form-control { color-scheme: dark; background-color:var(--bg-control,#131825); color:var(--text-main,#f0f4f8); }
select option,select optgroup { background-color:var(--bg-control,#131825); color:var(--text-main,#f0f4f8); }
button { min-height: 40px; }
button:disabled { opacity: .55; cursor: wait; }
button:focus-visible, a:focus-visible { outline: 2px solid var(--primary); outline-offset: 3px; }
.notes-layout { display: grid; grid-template-columns: minmax(200px, 30%) minmax(0, 1fr); gap: 20px; }
.note-list-item { display: block; width: 100%; text-align: left; color: var(--text-main); cursor: pointer; margin-bottom: 10px; }
.note-list-item.active { border-color: var(--primary); }
.note-list-item p, .bookmark-card p { color: var(--text-muted); font-size: 13px; margin: 8px 0; overflow-wrap: anywhere; }
.note-editor-panel { min-width: 0; background: var(--bg-card); border: 1px solid var(--border-color); border-radius: var(--radius-md); padding: 18px; }
.note-content { min-height: 300px; line-height: 1.65; resize: vertical; }
.empty-editor-state { padding: 40px; text-align: center; color: var(--text-muted); }
.modal-overlay { padding: 20px; }
.modal-dialog { max-height: 90dvh; overflow-y: auto; }
#csv-preview > .glass-card { width: min(720px, 100%); padding: 24px; }
.account-card .form-control { margin: 12px 0; }
.category-row { margin: 12px 0; padding: 10px; border-top: 1px solid var(--border-color); }
#cloud-sync-message { margin-bottom: 8px; }
#toast-container { max-width: calc(100vw - 48px); }
.tag-priority-NORMAL { background: rgba(255,165,2,.15); color: #ffa502; }
@media (max-width: 900px) {
 .sidebar { width: 190px; padding: 16px 8px; }
 .tab-content-area { padding: 20px; }
 .pane-header { align-items: start; gap: 16px; flex-wrap: wrap; }
 .notes-layout { grid-template-columns: 1fr; }
 .notes-list-panel { max-height: 240px; overflow-y: auto; }
 .filter-pills { overflow-x: auto; max-width: 100%; }
}
@media (max-width: 600px) {
 .app-container { height: auto; min-height: 100dvh; display: block; }
 .sidebar { width: 100%; padding: 12px; position: sticky; top: 0; z-index: 20; }
 .brand { padding-bottom: 8px; }
 .nav-menu { flex-direction: row; overflow-x: auto; margin-top: 8px; gap: 4px; }
 .nav-btn { padding: 10px; flex-shrink: 0; font-size: 12px; gap: 6px; }
 .nav-btn .badge { display: none; }
 .sidebar > .server-status-card, .sidebar > div:last-child { display: none; }
 .main-content { overflow: visible; }
 .topbar { padding: 12px; }
 .topbar-actions { flex: 1 1 100%; }
 .topbar-actions .btn { width: 100%; }
 .tab-content-area { padding: 16px 12px; overflow: visible; }
 .grid-cards { grid-template-columns: minmax(0, 1fr); }
 .pane-header h2 { font-size: 22px; }
 .modal-overlay { padding: 12px; }
}
[hidden] { display: none !important; }
@media (max-width: 600px) {
 .nav-menu { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); overflow: visible; }
 .nav-btn { min-width: 0; font-size: 12px; padding: 9px 6px; }
 .nav-btn span { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
}