/* Foldx 图床 · 视觉层
 * 背景是一张随机二次元壁纸，界面退到后面：细边框、低饱和玻璃、
 * 衬线标题和紧凑的标签，而不是满屏渐变光斑。
 */

:root {
    --bg: #0b0a10;
    --bg-2: #121018;
    --text: #f4eee6;
    --muted: #bcb0b6;
    --line: rgba(255, 255, 255, 0.14);
    --line-strong: rgba(255, 255, 255, 0.24);
    --accent: #efabc7;
    --accent-2: #9ed3dc;
    --accent-ink: #181219;
    --panel: rgba(16, 13, 19, 0.66);
    --panel-solid: #161219;
    --shadow: 0 24px 70px rgba(0, 0, 0, 0.32);
    --radius: 14px;
    --serif: "Noto Serif SC", "Source Han Serif SC", "Songti SC", "SimSun", serif;
    --sans: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
}

html[data-theme="light"] {
    --bg: #f3eee7;
    --bg-2: #e9e2db;
    --text: #1c171d;
    --muted: #675d64;
    --line: rgba(0, 0, 0, 0.14);
    --line-strong: rgba(0, 0, 0, 0.24);
    --accent: #b65f81;
    --accent-2: #397b87;
    --accent-ink: #fffaf6;
    --panel: rgba(255, 251, 245, 0.78);
    --panel-solid: #fffaf4;
    --shadow: 0 24px 70px rgba(30, 20, 30, 0.16);
}

body {
    background: var(--bg);
    color: var(--text);
    font-family: var(--sans);
}

.wallpaper {
    position: fixed;
    inset: 0;
    z-index: -3;
    background-position: center center;
    background-repeat: no-repeat;
    background-size: cover;
    filter: saturate(0.9) contrast(1.02);
    transform: scale(1.02);
}

.wallpaper-shade {
    position: fixed;
    inset: 0;
    z-index: -2;
    pointer-events: none;
    background:
        linear-gradient(180deg, rgba(7, 6, 10, 0.22) 0%, rgba(7, 6, 10, 0.38) 32%, rgba(7, 6, 10, 0.72) 68%, rgba(7, 6, 10, 0.92) 100%);
}

html[data-theme="light"] .wallpaper {
    filter: saturate(0.96) brightness(1.02);
}

html[data-theme="light"] .wallpaper-shade {
    background: linear-gradient(180deg, rgba(243, 238, 231, 0.06) 0%, rgba(243, 238, 231, 0.30) 34%, rgba(243, 238, 231, 0.72) 100%);
}

.ambient { display: none !important; }

.site-nav {
    background: transparent;
    border-bottom: 1px solid var(--line);
    backdrop-filter: blur(18px) saturate(1.1);
    -webkit-backdrop-filter: blur(18px) saturate(1.1);
}

.brand-mark {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid var(--line-strong);
    border-radius: 50%;
    color: var(--text);
}

.brand-copy b { font-family: var(--serif); letter-spacing: 0.04em; }
.brand-copy small { color: var(--muted); letter-spacing: 0.16em; }

.nav-links a {
    color: var(--muted);
    font-size: 0.8rem;
    letter-spacing: 0.05em;
}
.nav-links a:hover, .nav-links a.active { color: var(--text); }

.btn {
    background: var(--accent);
    color: var(--accent-ink);
    border: 1px solid transparent;
    border-radius: 8px;
    box-shadow: none;
    font-weight: 600;
    letter-spacing: 0.01em;
}
.btn:hover { background: #f5bfd4; transform: translateY(-1px); }
.btn-ghost {
    background: rgba(255, 255, 255, 0.06);
    color: var(--text);
    border: 1px solid var(--line-strong);
}
.btn-ghost:hover { background: rgba(255, 255, 255, 0.12); }
.btn-small { border-radius: 6px; }

.icon-btn, .mini-btn, .icon-action {
    border-color: var(--line);
    color: var(--muted);
    background: rgba(255, 255, 255, 0.04);
}
.icon-btn:hover, .mini-btn:hover, .icon-action:hover { color: var(--text); border-color: var(--line-strong); }

.hero { padding-top: clamp(84px, 11vw, 132px); padding-bottom: clamp(48px, 7vw, 82px); }
.hero-copy h1 {
    font-family: var(--serif);
    font-size: clamp(2.65rem, 5.2vw, 5.1rem);
    font-weight: 600;
    line-height: 1.1;
    letter-spacing: -0.055em;
}
.hero-copy h1 .grad,
.grad {
    background: none;
    -webkit-background-clip: initial;
    background-clip: initial;
    -webkit-text-fill-color: currentColor;
    color: var(--accent);
}
.hero-copy .lead { color: var(--muted); max-width: 34rem; font-size: 0.98rem; line-height: 1.9; }
.eyebrow { color: var(--accent-2); font-size: 0.68rem; letter-spacing: 0.2em; }
.eyebrow-dot { display: none; }
.hero-notes { gap: 0; color: var(--muted); }
.hero-notes span {
    background: none;
    border: 0;
    border-left: 1px solid var(--line-strong);
    border-radius: 0;
    padding: 0 0.85rem;
    font-size: 0.78rem;
}
.hero-notes span:first-child { border-left: 0; padding-left: 0; }
.hero-notes .ui-icon { color: var(--accent-2); }

.hero-panel {
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    backdrop-filter: blur(26px) saturate(1.12);
    -webkit-backdrop-filter: blur(26px) saturate(1.12);
}
.panel-head h2, .section-head h2, .admin-card-head h2, .auth-card h1, .dash-hero h1 {
    font-family: var(--serif);
    font-weight: 600;
    letter-spacing: -0.03em;
}
.panel-badge {
    background: rgba(239, 171, 199, 0.1);
    border: 1px solid rgba(239, 171, 199, 0.32);
    color: #f4c6d8;
    border-radius: 5px;
    font-size: 0.7rem;
    letter-spacing: 0.03em;
}
html[data-theme="light"] .panel-badge { color: #934d69; }

.dropzone {
    background: rgba(255, 255, 255, 0.035);
    border: 1px dashed var(--line-strong);
    border-radius: 10px;
}
.dropzone:hover, .dropzone.is-over {
    border-color: var(--accent);
    background: rgba(239, 171, 199, 0.07);
}
.drop-icon { color: var(--accent); }
.drop-title { font-family: var(--serif); font-size: 1.02rem; }
.drop-hint, .drop-sub { color: var(--muted); }
.upload-status { color: var(--muted); }

.upload-policy {
    margin: 12px 2px 0;
    color: var(--muted);
    font-size: 0.72rem;
    line-height: 1.7;
}

.hero-stats b { font-family: var(--serif); font-weight: 600; }

.glass {
    background: var(--panel) !important;
    border: 1px solid var(--line) !important;
    box-shadow: var(--shadow) !important;
    backdrop-filter: blur(22px) saturate(1.08) !important;
    -webkit-backdrop-filter: blur(22px) saturate(1.08) !important;
    border-radius: var(--radius) !important;
}

.section-head h2 { font-size: clamp(1.55rem, 2.6vw, 2.2rem); }
.section-head .text-link { color: var(--accent-2); }

.category-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 7px;
    margin: -4px 0 22px;
}
.category-tab {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 6px 10px;
    border: 1px solid var(--line);
    border-radius: 5px;
    background: rgba(0, 0, 0, 0.16);
    color: var(--muted);
    font-size: 0.76rem;
    text-decoration: none;
    transition: color 0.15s ease, border-color 0.15s ease, background 0.15s ease;
}
.category-tab span { opacity: 0.55; font-size: 0.68rem; }
.category-tab:hover { color: var(--text); border-color: var(--line-strong); }
.category-tab.active { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.category-tab.active span { opacity: 0.7; }

.image-card { border-radius: 12px !important; }
.image-card .image-thumb { border-radius: 8px; }
.image-category {
    position: absolute;
    left: 9px;
    bottom: 9px;
    z-index: 2;
    padding: 3px 7px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 4px;
    background: rgba(10, 9, 13, 0.72);
    color: #f5eee7;
    font-size: 0.68rem;
    letter-spacing: 0.02em;
    backdrop-filter: blur(8px);
}
.image-name { font-family: var(--serif); font-weight: 600; }
.image-sub { color: var(--muted); }
.image-shine { display: none; }

.feature-card h3 { font-family: var(--serif); font-weight: 600; }
.feature-card p { color: var(--muted); }
.feature-icon { color: var(--accent-2); }

.site-footer { border-top: 1px solid var(--line); background: rgba(7, 6, 10, 0.42); }
html[data-theme="light"] .site-footer { background: rgba(255, 250, 244, 0.5); }
.site-footer p { color: var(--muted); }

/* 登录页 */
.auth-card {
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    backdrop-filter: blur(26px) saturate(1.1);
}
.auth-card h1 { font-size: clamp(1.8rem, 4vw, 2.5rem); }
.auth-lead, .auth-note { color: var(--muted); }
.auth-form input {
    background: rgba(255, 255, 255, 0.055);
    border: 1px solid var(--line);
    color: var(--text);
    border-radius: 7px;
}
.auth-form input:focus { border-color: var(--accent); outline: none; }
.form-error { border-radius: 7px; }

/* 控制台 */
.admin-sidebar {
    background: rgba(10, 9, 13, 0.86);
    border-right: 1px solid var(--line);
    backdrop-filter: blur(26px) saturate(1.05);
    -webkit-backdrop-filter: blur(26px) saturate(1.05);
}
html[data-theme="light"] .admin-sidebar { background: rgba(255, 250, 244, 0.88); }
.sidebar-nav a { color: var(--muted); border-radius: 5px; }
.sidebar-nav a:hover, .sidebar-nav a.active { color: var(--text); background: rgba(255, 255, 255, 0.07); }
.sidebar-storage { border-top-color: var(--line); }
.storage-bar { background: rgba(255, 255, 255, 0.08); border-radius: 3px; }
.storage-bar span { background: var(--accent); }

.admin-topbar { background: rgba(10, 9, 13, 0.55); border-bottom: 1px solid var(--line); backdrop-filter: blur(18px); }
html[data-theme="light"] .admin-topbar { background: rgba(255, 250, 244, 0.62); }
.dash-hero h1 { font-size: clamp(1.9rem, 4vw, 3rem); }
.dash-lead { color: var(--muted); }
.stat-card, .admin-card {
    background: var(--panel) !important;
    border: 1px solid var(--line) !important;
    border-radius: var(--radius) !important;
    box-shadow: var(--shadow) !important;
    backdrop-filter: blur(22px) saturate(1.08) !important;
}
.stat-card b { font-family: var(--serif); font-weight: 600; }
.stat-card span { color: var(--muted); }
.stat-icon { border-radius: 6px; background: rgba(255, 255, 255, 0.06); color: var(--accent-2); }
.stat-icon.blue, .stat-icon.cyan, .stat-icon.pink, .stat-icon.violet { color: var(--accent-2); background: rgba(255, 255, 255, 0.06); }

.library-card {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--line);
    border-radius: 9px;
}
.library-thumb { border-radius: 7px; }
.library-body h3 { font-family: var(--serif); font-weight: 600; }
.library-body p, .library-dim { color: var(--muted); }
.library-category {
    display: inline-block;
    margin-top: 6px;
    color: var(--accent-2);
    border: 1px solid rgba(158, 211, 220, 0.24);
    border-radius: 3px;
    padding: 2px 5px;
    font-size: 0.66rem;
}
.library-tools select {
    background: rgba(255, 255, 255, 0.055);
    border: 1px solid var(--line);
    color: var(--text);
    border-radius: 6px;
    padding: 7px 9px;
    font-size: 0.76rem;
}

.setting-value code { color: var(--text); }
.setting-row { border-bottom-color: var(--line); }
.status-pill { border-radius: 4px; }

@media (max-width: 720px) {
    .hero { padding-top: 88px; }
    .hero-copy h1 { font-size: clamp(2.35rem, 10vw, 3.6rem); }
    .hero-notes { gap: 8px; }
    .hero-notes span { border-left: 0; padding: 0; }
    .wallpaper { background-position: 58% center; }
}