/* Modern UI Enhancement - Glassmorphism & Gradient RGB */

/* ===== CSS Variables for Modern Effects ===== */
:root {
    --glass-bg: rgba(255, 255, 255, 0.65);
    --glass-border: rgba(255, 255, 255, 0.3);
    --glass-shadow: 0 8px 32px rgba(31, 38, 135, 0.15);
    --glass-blur: blur(12px);
    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-accent: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --gradient-warm: linear-gradient(135deg, #fa709a 0%, #fee140 100%);
    --gradient-cool: linear-gradient(135deg, #a18cd1 0%, #fbc2eb 100%);
    --gradient-border: linear-gradient(135deg, rgba(102, 126, 234, 0.5), rgba(118, 75, 162, 0.5));
    --glow-primary: 0 0 20px rgba(102, 126, 234, 0.3);
    --modern-radius: 20px;
    --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ===== Header - Glassmorphism + Gradient ===== */
#header {
    background: linear-gradient(135deg, rgba(106, 106, 106, 0.85) 0%, rgba(45, 55, 72, 0.9) 100%);
    -webkit-backdrop-filter: blur(16px) saturate(180%);
    backdrop-filter: blur(16px) saturate(180%);
    border: 1px solid rgba(255, 255, 255, 0.15);
    box-shadow: var(--glass-shadow), inset 0 1px 0 rgba(255, 255, 255, 0.1);
    transition: var(--transition-smooth);
}

#header:hover {
    box-shadow: var(--glass-shadow), var(--glow-primary), inset 0 1px 0 rgba(255, 255, 255, 0.15);
    transform: translateY(-2px);
}

#header-title h2 {
    background: linear-gradient(135deg, #ffffff 0%, rgba(255, 255, 255, 0.8) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

#header-content-right nav a.nav-focus::before {
    background: linear-gradient(135deg, #667eea, #764ba2);
    box-shadow: 0 0 8px rgba(102, 126, 234, 0.6);
}

/* ===== Article Cards - Frosted Glass ===== */
.article-item {
    background: var(--glass-bg);
    -webkit-backdrop-filter: var(--glass-blur) saturate(180%);
    backdrop-filter: var(--glass-blur) saturate(180%);
    border: 1px solid var(--glass-border);
    box-shadow: var(--glass-shadow);
    transition: var(--transition-smooth);
}

.article-item:hover {
    transform: translateY(-4px) scale(1.01);
    box-shadow: var(--glass-shadow), var(--glow-primary);
    border-color: rgba(102, 126, 234, 0.3);
}

.article-title a {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.article-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-primary);
    border-radius: var(--modern-radius) var(--modern-radius) 0 0;
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: 3;
}

.article-item:hover::before {
    opacity: 1;
}

/* Ensure banner wrap doesn't block hover visual feedback */
.article-banner-wrap {
    transition: opacity 0.3s ease;
}

.article-item:hover .article-banner-wrap {
    opacity: 0.85;
}

.article-item:hover .article-banner {
    opacity: 0.5;
}

/* ===== Card Style Articles - Gradient Enhancement ===== */
.card-item article {
    background: linear-gradient(218deg, rgba(138, 160, 255, 0.9) 30%, rgba(90, 140, 250, 0.9) 70%);
    -webkit-backdrop-filter: blur(8px);
    backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 10px 40px rgba(90, 140, 250, 0.3);
    transition: var(--transition-smooth);
}

.card-item article:hover {
    transform: translateY(-6px);
    box-shadow: 0 20px 60px rgba(90, 140, 250, 0.4);
}

/* ===== Footer - Glassmorphism + Gradient ===== */
footer {
    background: linear-gradient(135deg, rgba(106, 106, 106, 0.85) 0%, rgba(45, 55, 72, 0.9) 100%);
    -webkit-backdrop-filter: blur(16px) saturate(180%);
    backdrop-filter: blur(16px) saturate(180%);
    border: 1px solid rgba(255, 255, 255, 0.15);
    box-shadow: var(--glass-shadow), inset 0 1px 0 rgba(255, 255, 255, 0.1);
    transition: var(--transition-smooth);
}

#footer-nav a:hover {
    text-shadow: 0 0 10px rgba(255, 255, 255, 0.5);
}

/* ===== PAP (Post/Page Content) - Glass Effect ===== */
.PAP {
    background: var(--glass-bg);
    -webkit-backdrop-filter: var(--glass-blur) saturate(180%);
    backdrop-filter: var(--glass-blur) saturate(180%);
    border: 1px solid var(--glass-border);
    box-shadow: var(--glass-shadow);
}

.PAP-banner {
    background: linear-gradient(135deg, rgba(250, 250, 250, 0.8) 0%, rgba(240, 240, 250, 0.9) 100%);
    -webkit-backdrop-filter: blur(8px);
    backdrop-filter: blur(8px);
}

.PAP-banner div h1 {
    background: linear-gradient(135deg, #333 0%, #555 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.PAP-IMG-Banner div h1 {
    background: none;
    -webkit-background-clip: unset;
    -webkit-text-fill-color: #fff;
    background-clip: unset;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.6);
}

.PAP-IMG-Banner div p,
.PAP-IMG-Banner div p a {
    text-shadow: 0 2px 6px rgba(0, 0, 0, 0.6);
}

.PAP-content h1::after,
.PAP-content h2::after,
.PAP-content h3::after {
    background: var(--gradient-primary) !important;
    opacity: 0.8;
    height: 3px;
    border-radius: 2px;
}

.PAP-content blockquote {
    background: rgba(245, 245, 255, 0.6);
    -webkit-backdrop-filter: blur(6px);
    backdrop-filter: blur(6px);
    border-radius: 0 10px 10px 0;
}

.PAP-content blockquote::before {
    background: var(--gradient-primary) !important;
    border-radius: 3px;
}

/* ===== Sidebar - Glassmorphism ===== */
.sliderbar-content {
    background: var(--glass-bg);
    -webkit-backdrop-filter: var(--glass-blur) saturate(180%);
    backdrop-filter: var(--glass-blur) saturate(180%);
    border: 1px solid var(--glass-border);
    box-shadow: var(--glass-shadow);
}

#widgets .widget {
    /* Use background-color (not the `background` shorthand) so we don't
       reset background-size/repeat/position on widgets that set their own
       background-image inline (e.g. .widget-photo uses background-size:
       contain from G.css to auto-fit the user's photo into the 7rem tile). */
    background-color: var(--glass-bg);
    -webkit-backdrop-filter: var(--glass-blur) saturate(180%);
    backdrop-filter: var(--glass-blur) saturate(180%);
    border: 1px solid var(--glass-border);
    box-shadow: var(--glass-shadow);
    transition: var(--transition-smooth);
}

#widgets .widget:hover {
    transform: translateY(-2px);
    box-shadow: var(--glass-shadow), var(--glow-primary);
}

#widgets .widget-recent-comment .recent-comment-content {
    background: var(--glass-bg);
    -webkit-backdrop-filter: var(--glass-blur);
    backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
}

#widgets .widget-recent-comment {
    background: transparent;
    border: 0;
    box-shadow: none;
    -webkit-backdrop-filter: none;
    backdrop-filter: none;
}

#widgets .widget-recent-comment:hover {
    transform: none;
    box-shadow: none;
}

.profile-content i {
    background: linear-gradient(135deg, rgba(250, 250, 250, 0.8) 0%, rgba(240, 240, 250, 0.9) 100%);
    -webkit-backdrop-filter: blur(6px);
    backdrop-filter: blur(6px);
}

.profile-avatar-container img {
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
    border: 3px solid rgba(255, 255, 255, 0.8) !important;
    transition: var(--transition-smooth);
}

.profile-avatar-container img:hover {
    transform: scale(1.05);
    box-shadow: 0 6px 25px rgba(102, 126, 234, 0.5);
}

/* ===== Toolbar - Frosted Glass Buttons ===== */
.toolbar-btn {
    background: var(--glass-bg);
    -webkit-backdrop-filter: var(--glass-blur);
    backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    transition: var(--transition-smooth);
}

.toolbar-btn:hover {
    opacity: 1;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.2);
    border-color: rgba(102, 126, 234, 0.3);
}

/* ===== TOC - Glass Panel ===== */
#toc {
    background: var(--glass-bg);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    backdrop-filter: blur(20px) saturate(180%);
    border-left: 1px solid var(--glass-border);
    box-shadow: -8px 0 32px rgba(31, 38, 135, 0.1);
}

#toc-close {
    background: var(--glass-bg);
    -webkit-backdrop-filter: var(--glass-blur);
    backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
}

/* ===== Comment Section - Glass Cards ===== */
.comment-content {
    background: var(--glass-bg);
    -webkit-backdrop-filter: var(--glass-blur) saturate(180%);
    backdrop-filter: var(--glass-blur) saturate(180%);
    border: 1px solid var(--glass-border);
    box-shadow: var(--glass-shadow);
    transition: var(--transition-smooth);
}

.comment-content:hover {
    box-shadow: var(--glass-shadow), 0 0 15px rgba(102, 126, 234, 0.1);
}

/* ===== Pagination - Modern Buttons ===== */
a.next,
a.prev {
    background: var(--glass-bg);
    -webkit-backdrop-filter: var(--glass-blur);
    backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    box-shadow: var(--glass-shadow);
    transition: var(--transition-smooth);
}

a.next:hover,
a.prev:hover {
    transform: translateY(-2px) scale(0.99);
    box-shadow: var(--glass-shadow), var(--glow-primary);
    border-color: rgba(102, 126, 234, 0.3);
}

.page-navigator li a {
    background: var(--glass-bg);
    -webkit-backdrop-filter: var(--glass-blur);
    backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border) !important;
    box-shadow: var(--glass-shadow);
}

/* ===== Toast Notifications - Glass ===== */
.g-toast {
    background: var(--glass-bg) !important;
    -webkit-backdrop-filter: var(--glass-blur) saturate(180%);
    backdrop-filter: var(--glass-blur) saturate(180%);
    border: 1px solid var(--glass-border);
    box-shadow: var(--glass-shadow) !important;
    border-radius: 12px;
}

/* ===== OwO Container - Glass ===== */
#OwO-container {
    background: var(--glass-bg);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    backdrop-filter: blur(20px) saturate(180%);
    border: 1px solid var(--glass-border);
    box-shadow: 0 -8px 32px rgba(31, 38, 135, 0.15);
}

/* ===== Links Page ===== */
.link-wrap {
    transition: var(--transition-smooth);
}

.link-wrap:hover {
    transform: translateY(-4px);
}

/* ===== Scrollbar - Gradient ===== */
html::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, #667eea 0%, #764ba2 100%) !important;
    border-radius: 6px !important;
}

html *::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, #667eea 0%, #764ba2 100%) !important;
    border-radius: 6px !important;
}

/* ===== Selection Color ===== */
::selection {
    background: rgba(102, 126, 234, 0.3);
    color: inherit;
}

::-moz-selection {
    background: rgba(102, 126, 234, 0.3);
    color: inherit;
}

/* ===== Animations Enhancement ===== */
@keyframes gradient-shift {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

@keyframes glow-pulse {
    0%, 100% { box-shadow: var(--glass-shadow); }
    50% { box-shadow: var(--glass-shadow), 0 0 20px rgba(102, 126, 234, 0.2); }
}

/* ===== Sidebar Cover - Enhanced Backdrop ===== */
#sliderbar-cover.sliderbar-cover__show {
    background: rgba(75, 85, 99, 0.4);
    -webkit-backdrop-filter: blur(8px) saturate(150%);
    backdrop-filter: blur(8px) saturate(150%);
}

/* ===== Lightbox - Glass Overlay ===== */
.lightbox-wrap {
    background: rgba(255, 255, 255, 0.85) !important;
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    backdrop-filter: blur(20px) saturate(180%);
}

/* ===== Search Input Enhancement ===== */
.search-form-input:hover {
    text-shadow: 0 0 8px rgba(255, 255, 255, 0.5);
}