/* ============================================
   Neumorphism + Glassmorphism + Parallax
   ============================================ */

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

:root {
    --bg-dark: #151525;
    --bg-mid: #1a1a35;
    --neum-shadow-dark: rgba(0, 0, 0, 0.15);
    --neum-shadow-light: rgba(255, 255, 255, 0.7);
    --neum-shadow-dark-strong: rgba(0, 0, 0, 0.22);
    --neum-shadow-light-strong: rgba(255, 255, 255, 0.8);
    --glass-bg: rgba(255, 255, 255, 0.42);
    --glass-border: rgba(255, 255, 255, 0.55);
    --accent: #4a8aee;
    --accent-glow: rgba(74, 138, 238, 0.3);
    --text-primary: #2e2e42;
    --text-secondary: rgba(50, 50, 70, 0.7);
    --text-dim: rgba(50, 50, 70, 0.45);
    --text-outside: #3a3a50;
    --text-outside-dim: rgba(60, 60, 80, 0.5);
    --danger: #d94444;
    --success: #3aaa5a;
}

html {
    height: 100%;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
    min-height: 100vh;
    background: var(--bg-dark);
    color: var(--text-outside);
    overflow-x: hidden;
    position: relative;
}

/* ---- Video Background ---- */
.bg-video-wrap {
    position: fixed;
    inset: 0;
    z-index: 0;
    overflow: hidden;
}

.bg-video-wrap video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.bg-video-wrap::after {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.45);
}

.bg-no-video {
    position: fixed;
    inset: 0;
    background: linear-gradient(160deg, #e8e8f0 0%, #d8d8e5 40%, #e0dfe8 70%, #eaeaf0 100%);
    z-index: 0;
}

/* ---- Page content wrapper ---- */
.page-layer {
    position: relative;
    z-index: 10;
    min-height: 100vh;
    padding: 0 20px;
}

.container {
    max-width: 780px;
    margin: 0 auto;
    padding: 50px 0 60px;
}

/* ============================================
   Neumorphic Card Mixin (via classes)
   ============================================ */

.neu-card {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    box-shadow:
        8px 8px 24px var(--neum-shadow-dark-strong),
        -8px -8px 24px var(--neum-shadow-light-strong),
        inset 0 1px 0 rgba(255, 255, 255, 0.6),
        inset 0 -1px 0 rgba(0, 0, 0, 0.04);
}

.neu-inset {
    background: rgba(0, 0, 0, 0.04);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(0, 0, 0, 0.08);
    border-radius: 16px;
    box-shadow:
        inset 4px 4px 10px rgba(0, 0, 0, 0.1),
        inset -4px -4px 10px rgba(255, 255, 255, 0.5);
}

.neu-btn {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: 14px;
    box-shadow:
        4px 4px 12px var(--neum-shadow-dark-strong),
        -4px -4px 12px var(--neum-shadow-light-strong),
        inset 0 1px 0 rgba(255, 255, 255, 0.5);
    cursor: pointer;
    transition: all 0.2s ease;
}

.neu-btn:hover {
    box-shadow:
        6px 6px 18px var(--neum-shadow-dark-strong),
        -6px -6px 18px var(--neum-shadow-light-strong),
        inset 0 1px 0 rgba(255, 255, 255, 0.6);
}

.neu-btn:active {
    box-shadow:
        inset 3px 3px 8px rgba(0, 0, 0, 0.1),
        inset -3px -3px 8px rgba(255, 255, 255, 0.4);
    transform: scale(0.97);
}

/* ============================================
   Header
   ============================================ */

.site-header {
    text-align: center;
    padding: 44px 36px 36px;
    margin-bottom: 28px;
    animation: fadeInDown 0.7s ease both;
    position: relative;
    overflow: hidden;
    background: transparent !important;
    border: none !important;
    border-radius: 24px;
    box-shadow: none !important;
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
    max-width: 560px;
    margin-left: auto;
    margin-right: auto;
    box-shadow:
        inset 4px 4px 10px rgba(0, 0, 0, 0.1),
        inset -4px -4px 10px rgba(255, 255, 255, 0.5),
        0 8px 32px rgba(0, 0, 0, 0.08),
        0 2px 8px rgba(0, 0, 0, 0.04),
        0 0 40px rgba(74, 138, 238, 0.06),
        inset 0 1px 0 rgba(255, 255, 255, 0.6),
        inset 0 -1px 0 rgba(0, 0, 0, 0.03);
}

.site-header:hover {
    box-shadow:
        inset 4px 4px 10px rgba(0, 0, 0, 0.1),
        inset -4px -4px 10px rgba(255, 255, 255, 0.5),
        0 8px 32px rgba(0, 0, 0, 0.08),
        0 2px 8px rgba(0, 0, 0, 0.04),
        0 0 50px rgba(74, 138, 238, 0.1),
        inset 0 1px 0 rgba(255, 255, 255, 0.6),
        inset 0 -1px 0 rgba(0, 0, 0, 0.03);
}

.site-title {
    font-size: 2.4em;
    font-weight: 800;
    letter-spacing: 3px;
    background: linear-gradient(135deg, #4a8aee, #7b5cff, #4a8aee);
    background-size: 200% 200%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: gradientFlow 8s ease-in-out infinite;
    margin-bottom: 10px;
    line-height: 1.3;
}

.site-desc {
    font-size: 0.92em;
    color: var(--text-secondary);
    letter-spacing: 1.5px;
    font-weight: 300;
}

.site-clock {
    margin-top: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    font-size: 0.85em;
    color: var(--text-dim);
    letter-spacing: 1px;
}

.clock-time {
    font-size: 1.3em;
    font-weight: 600;
    color: var(--text-secondary);
    font-variant-numeric: tabular-nums;
    letter-spacing: 2px;
}

.clock-colon {
    animation: colonBlink 1s step-end infinite;
    margin: 0 1px;
}

.clock-date {
    padding-left: 16px;
    border-left: 1px solid rgba(50, 50, 70, 0.12);
}

/* ---- Logo ---- */
.site-logo {
    margin-bottom: 16px;
}

.site-logo img {
    max-width: 80px;
    max-height: 80px;
    border-radius: 20px;
    object-fit: cover;
    box-shadow:
        inset 2px 2px 6px rgba(0,0,0,0.08),
        inset -2px -2px 6px rgba(255,255,255,0.4);
    border: 2px solid rgba(0,0,0,0.06);
}

/* ---- Header decorations ---- */
.site-header::before {
    content: '';
    position: absolute;
    top: -40%;
    right: -20%;
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, rgba(74, 138, 238, 0.08) 0%, transparent 70%);
    border-radius: 50%;
    animation: glowPulse 4s ease-in-out infinite;
    pointer-events: none;
    z-index: 0;
}

.site-header::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -15%;
    width: 160px;
    height: 160px;
    background: radial-gradient(circle, rgba(123, 92, 255, 0.06) 0%, transparent 70%);
    border-radius: 50%;
    animation: glowPulse 4s ease-in-out 2s infinite;
    pointer-events: none;
    z-index: 0;
}

.site-header > * {
    position: relative;
    z-index: 1;
}

.crayon-svg {
    display: block;
    margin: 4px auto 0;
    width: 140px;
    height: 20px;
    overflow: visible;
}

.crayon-svg path {
    fill: none;
    stroke: url(#crayonGrad);
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
    stroke-dasharray: 200;
    stroke-dashoffset: 200;
    animation: crayonDraw 2s ease-out 0.8s forwards;
}

.site-header .scan-line {
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 1px;
    background: linear-gradient(90deg, transparent 0%, rgba(74, 138, 238, 0.15) 30%, rgba(123, 92, 255, 0.2) 50%, rgba(74, 138, 238, 0.15) 70%, transparent 100%);
    z-index: 0;
    animation: scanDown 6s linear infinite;
    pointer-events: none;
}

@keyframes crayonDraw {
    to { stroke-dashoffset: 0; }
}

@keyframes glowPulse {
    0%, 100% { opacity: 0.6; transform: scale(1); }
    50% { opacity: 1; transform: scale(1.15); }
}

@keyframes scanDown {
    0% { top: -5%; opacity: 0; }
    10% { opacity: 1; }
    90% { opacity: 1; }
    100% { top: 105%; opacity: 0; }
}

/* ============================================
   Search Bar
   ============================================ */

.search-wrap {
    margin-bottom: 32px;
    animation: fadeInUp 0.6s ease 0.15s both;
    max-width: 420px;
    margin-left: auto;
    margin-right: auto;
}

.search-bar {
    display: flex;
    align-items: center;
    gap: 0;
    padding: 6px;
    border-radius: 20px;
}

.search-bar .search-icon {
    padding: 0 8px 0 18px;
    color: var(--text-dim);
    font-size: 0.95em;
    flex-shrink: 0;
}

.search-bar input {
    flex: 1;
    background: none;
    border: none;
    outline: none;
    color: var(--text-primary);
    font-size: 0.92em;
    padding: 12px 8px;
    letter-spacing: 0.3px;
    font-family: inherit;
}

.search-bar input::placeholder {
    color: var(--text-dim);
}

.search-bar input:focus {
    color: var(--text-primary);
}

.search-bar .search-submit {
    padding: 10px 24px;
    border: none;
    border-radius: 14px;
    background: rgba(74, 138, 238, 0.12);
    color: var(--accent);
    font-size: 0.85em;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    letter-spacing: 0.5px;
    white-space: nowrap;
}

.search-bar .search-submit:hover {
    background: rgba(74, 138, 238, 0.2);
    box-shadow: 0 0 20px rgba(74, 138, 238, 0.1);
}

.search-bar .search-submit:active {
    transform: scale(0.96);
}

.search-bar:focus-within {
    box-shadow:
        inset 4px 4px 10px rgba(0, 0, 0, 0.08),
        inset -4px -4px 10px rgba(255, 255, 255, 0.5),
        0 0 0 2px rgba(74, 138, 238, 0.15),
        0 0 30px rgba(74, 138, 238, 0.06);
    border-color: rgba(74, 138, 238, 0.2);
}

/* ============================================
   Nav Grid
   ============================================ */

.nav-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-bottom: 20px;
}

.nav-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 16px;
    padding: 28px 12px 22px;
    text-decoration: none;
    color: var(--text-primary);
    position: relative;
    overflow: hidden;
    perspective: 600px;
    transform-style: preserve-3d;
    opacity: 0;
    animation: fadeInUp 0.5s ease forwards;
    background: rgba(0, 0, 0, 0.04);
    border: 1px solid rgba(0, 0, 0, 0.08) !important;
    border-radius: 24px !important;
    box-shadow:
        inset 4px 4px 10px rgba(0, 0, 0, 0.1),
        inset -4px -4px 10px rgba(255, 255, 255, 0.5),
        0 6px 24px rgba(0, 0, 0, 0.06),
        0 2px 6px rgba(0, 0, 0, 0.03),
        0 0 30px rgba(74, 138, 238, 0.05),
        inset 0 1px 0 rgba(255, 255, 255, 0.6),
        inset 0 -1px 0 rgba(0, 0, 0, 0.03) !important;
}

.nav-btn .btn-icon-wrap {
    width: 52px;
    height: 52px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 16px;
    position: relative;
    transition: all 0.3s ease;
    overflow: hidden;
}

.btn-icon-img {
    width: 52px;
    height: 52px;
    border-radius: 16px;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.nav-btn:hover .btn-icon-img {
    transform: scale(1.08);
}

.nav-btn .btn-icon-wrap i {
    font-size: 1.5em;
    position: relative;
    z-index: 1;
    transition: all 0.3s ease;
}

.nav-btn .btn-icon-wrap::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 16px;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.nav-btn span {
    font-size: 0.82em;
    font-weight: 500;
    letter-spacing: 0.5px;
    text-align: center;
    line-height: 1.3;
    transition: color 0.3s ease;
}

.nav-btn:hover {
    transform: translateY(-2px);
    box-shadow:
        inset 5px 5px 12px rgba(0, 0, 0, 0.12),
        inset -5px -5px 12px rgba(255, 255, 255, 0.55),
        0 10px 36px rgba(0, 0, 0, 0.1),
        0 4px 12px rgba(0, 0, 0, 0.05),
        0 0 40px rgba(74, 138, 238, 0.1),
        inset 0 1px 0 rgba(255, 255, 255, 0.7),
        inset 0 -1px 0 rgba(0, 0, 0, 0.03) !important;
}

.nav-btn:hover .btn-icon-wrap {
    transform: scale(1.08);
}

.nav-btn:hover .btn-icon-wrap::after {
    opacity: 1;
}

.nav-btn:hover span {
    color: #2e2e42;
}

.nav-btn:active {
    transform: translateY(0) scale(0.97);
    box-shadow:
        inset 6px 6px 14px rgba(0, 0, 0, 0.15),
        inset -6px -6px 14px rgba(255, 255, 255, 0.5) !important;
}

/* Icon color themes */
.icon-theme-1 .btn-icon-wrap { background: linear-gradient(135deg, rgba(66,135,245,0.18), rgba(66,135,245,0.06)); }
.icon-theme-1 .btn-icon-wrap i { color: #3a7ae8; }
.icon-theme-1 .btn-icon-wrap::after { background: radial-gradient(circle, rgba(66,135,245,0.18) 0%, transparent 70%); }
.icon-theme-1:hover { border-color: rgba(66,135,245,0.15) !important; }

.icon-theme-2 .btn-icon-wrap { background: linear-gradient(135deg, rgba(130,100,255,0.18), rgba(130,100,255,0.06)); }
.icon-theme-2 .btn-icon-wrap i { color: #7055e8; }
.icon-theme-2 .btn-icon-wrap::after { background: radial-gradient(circle, rgba(130,100,255,0.18) 0%, transparent 70%); }
.icon-theme-2:hover { border-color: rgba(130,100,255,0.15) !important; }

.icon-theme-3 .btn-icon-wrap { background: linear-gradient(135deg, rgba(60,200,180,0.18), rgba(60,200,180,0.06)); }
.icon-theme-3 .btn-icon-wrap i { color: #28a896; }
.icon-theme-3 .btn-icon-wrap::after { background: radial-gradient(circle, rgba(60,200,180,0.18) 0%, transparent 70%); }
.icon-theme-3:hover { border-color: rgba(60,200,180,0.15) !important; }

.icon-theme-4 .btn-icon-wrap { background: linear-gradient(135deg, rgba(245,130,80,0.18), rgba(245,130,80,0.06)); }
.icon-theme-4 .btn-icon-wrap i { color: #e06a38; }
.icon-theme-4 .btn-icon-wrap::after { background: radial-gradient(circle, rgba(245,130,80,0.18) 0%, transparent 70%); }
.icon-theme-4:hover { border-color: rgba(245,130,80,0.15) !important; }

.icon-theme-5 .btn-icon-wrap { background: linear-gradient(135deg, rgba(245,80,150,0.18), rgba(245,80,150,0.06)); }
.icon-theme-5 .btn-icon-wrap i { color: #d9407a; }
.icon-theme-5 .btn-icon-wrap::after { background: radial-gradient(circle, rgba(245,80,150,0.18) 0%, transparent 70%); }
.icon-theme-5:hover { border-color: rgba(245,80,150,0.15) !important; }

.icon-theme-6 .btn-icon-wrap { background: linear-gradient(135deg, rgba(100,200,80,0.18), rgba(100,200,80,0.06)); }
.icon-theme-6 .btn-icon-wrap i { color: #48a838; }
.icon-theme-6 .btn-icon-wrap::after { background: radial-gradient(circle, rgba(100,200,80,0.18) 0%, transparent 70%); }
.icon-theme-6:hover { border-color: rgba(100,200,80,0.15) !important; }

.icon-theme-7 .btn-icon-wrap { background: linear-gradient(135deg, rgba(255,200,60,0.18), rgba(255,200,60,0.06)); }
.icon-theme-7 .btn-icon-wrap i { color: #d4a020; }
.icon-theme-7 .btn-icon-wrap::after { background: radial-gradient(circle, rgba(255,200,60,0.18) 0%, transparent 70%); }
.icon-theme-7:hover { border-color: rgba(255,200,60,0.15) !important; }

.icon-theme-8 .btn-icon-wrap { background: linear-gradient(135deg, rgba(180,160,255,0.18), rgba(180,160,255,0.06)); }
.icon-theme-8 .btn-icon-wrap i { color: #9080e8; }
.icon-theme-8 .btn-icon-wrap::after { background: radial-gradient(circle, rgba(180,160,255,0.18) 0%, transparent 70%); }
.icon-theme-8:hover { border-color: rgba(180,160,255,0.15) !important; }

/* ============================================
   Footer
   ============================================ */

.footer {
    text-align: center;
    padding: 24px 0;
    animation: fadeInUp 0.6s ease 0.5s both;
}

.admin-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 24px;
    border-radius: 14px;
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    box-shadow:
        4px 4px 12px var(--neum-shadow-dark-strong),
        -4px -4px 12px var(--neum-shadow-light-strong),
        inset 0 1px 0 rgba(255, 255, 255, 0.5);
    color: var(--text-dim);
    text-decoration: none;
    font-size: 0.78em;
    letter-spacing: 1px;
    transition: all 0.25s ease;
}

.admin-link:hover {
    color: var(--text-primary);
    border-color: rgba(74, 138, 238, 0.2);
    box-shadow:
        6px 6px 16px var(--neum-shadow-dark-strong),
        -6px -6px 16px var(--neum-shadow-light-strong),
        0 0 20px rgba(74, 138, 238, 0.06);
    transform: translateY(-2px);
}

.admin-link:active {
    transform: translateY(0) scale(0.97);
    box-shadow: inset 2px 2px 6px rgba(0, 0, 0, 0.08), inset -2px -2px 6px rgba(255,255,255,0.4);
}

.footer-copy {
    margin-top: 16px;
    font-size: 0.7em;
    color: var(--text-outside-dim);
    letter-spacing: 0.5px;
}

/* ============================================
   Animations
   ============================================ */

@keyframes gradientFlow {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(24px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInDown {
    from { opacity: 0; transform: translateY(-20px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes colonBlink {
    0%, 49% { opacity: 1; }
    50%, 100% { opacity: 0.3; }
}

/* ============================================
   Responsive
   ============================================ */

@media (max-width: 768px) {
    .nav-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 14px;
    }
    .site-title {
        font-size: 1.8em;
    }
}

@media (max-width: 540px) {
    .container {
        padding: 30px 0 40px;
    }
    .nav-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }
    .site-header {
        padding: 32px 24px 28px;
        max-width: none;
    }
    .site-title {
        font-size: 1.5em;
    }
    .nav-btn {
        padding: 22px 10px 18px;
        gap: 12px;
    }
    .nav-btn .btn-icon-wrap {
        width: 44px;
        height: 44px;
    }
    .nav-btn .btn-icon-wrap i {
        font-size: 1.3em;
    }
    .search-bar .search-submit {
        padding: 10px 16px;
        font-size: 0.8em;
    }
}

/* ============================================
   Admin Styles
   ============================================ */

.admin-wrapper {
    max-width: 680px;
    margin: 0 auto;
    padding: 40px 0 60px;
}

.login-box {
    max-width: 400px;
    margin: 60px auto;
    padding: 44px 36px;
    text-align: center;
    animation: fadeInUp 0.6s ease both;
}

.login-box .login-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 20px;
    font-size: 1.5em;
    color: var(--accent);
    background: rgba(74, 138, 238, 0.08);
    border: 1px solid rgba(74, 138, 238, 0.15);
}

.login-box h2 {
    font-size: 1.4em;
    margin-bottom: 6px;
    background: linear-gradient(135deg, #4a8aee, #7b5cff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.login-box p {
    color: var(--text-dim);
    font-size: 0.82em;
    margin-bottom: 28px;
    letter-spacing: 0.5px;
}

.admin-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
    padding: 22px 28px;
    animation: fadeInDown 0.5s ease both;
}

.admin-header h2 {
    font-size: 1.15em;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 10px;
    letter-spacing: 0.5px;
}

.admin-header-actions {
    display: flex;
    gap: 10px;
}

/* ---- Buttons ---- */

.neu-action-btn {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 9px 18px;
    font-size: 0.82em;
    font-weight: 500;
    font-family: inherit;
    letter-spacing: 0.3px;
    text-decoration: none;
    white-space: nowrap;
}

.neu-action-primary {
    background: rgba(74, 138, 238, 0.1);
    color: var(--accent);
    border: 1px solid rgba(74, 138, 238, 0.2);
}

.neu-action-primary:hover {
    background: rgba(74, 138, 238, 0.18);
    border-color: rgba(74, 138, 238, 0.3);
    box-shadow: 0 0 20px rgba(74, 138, 238, 0.08);
}

.neu-action-ghost {
    color: var(--text-secondary);
    border: 1px solid var(--glass-border);
}

.neu-action-ghost:hover {
    color: var(--text-primary);
    border-color: rgba(74, 138, 238, 0.2);
}

.neu-action-danger {
    color: var(--danger);
    border: 1px solid rgba(217, 68, 68, 0.2);
    background: rgba(217, 68, 68, 0.06);
}

.neu-action-danger:hover {
    background: rgba(217, 68, 68, 0.12);
    border-color: rgba(217, 68, 68, 0.3);
}

/* ---- Form ---- */

.form-group {
    margin-bottom: 18px;
    text-align: left;
}

.form-group label {
    display: block;
    font-size: 0.78em;
    color: var(--text-secondary);
    margin-bottom: 8px;
    letter-spacing: 1px;
    text-transform: uppercase;
    font-weight: 500;
}

.form-input {
    width: 100%;
    padding: 13px 16px;
    color: var(--text-primary);
    font-size: 0.88em;
    outline: none;
    font-family: inherit;
    transition: all 0.25s ease;
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
}

select.form-input {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='rgba(255,255,255,0.4)' d='M2 4l4 4 4-4'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 14px center;
    padding-right: 36px;
    cursor: pointer;
}

.form-input::placeholder {
    color: var(--text-dim);
}

.form-input:focus {
    border-color: rgba(74, 138, 238, 0.3);
    box-shadow:
        inset 4px 4px 10px rgba(0, 0, 0, 0.06),
        inset -4px -4px 10px rgba(255, 255, 255, 0.5),
        0 0 0 2px rgba(74, 138, 238, 0.12);
}

.form-submit {
    width: 100%;
    padding: 13px;
    font-size: 0.88em;
    font-weight: 600;
    font-family: inherit;
    letter-spacing: 0.5px;
    cursor: pointer;
    transition: all 0.2s ease;
    margin-top: 4px;
    color: var(--accent);
    background: rgba(74, 138, 238, 0.1);
    border: 1px solid rgba(74, 138, 238, 0.2);
    border-radius: 16px;
    box-shadow:
        4px 4px 12px var(--neum-shadow-dark-strong),
        -4px -4px 12px var(--neum-shadow-light-strong);
}

.form-submit:hover {
    background: rgba(74, 138, 238, 0.16);
    border-color: rgba(74, 138, 238, 0.3);
    box-shadow:
        4px 4px 16px var(--neum-shadow-dark-strong),
        -4px -4px 16px var(--neum-shadow-light-strong),
        0 0 24px rgba(74, 138, 238, 0.08);
}

.form-submit:active {
    transform: scale(0.98);
    box-shadow:
        inset 3px 3px 8px rgba(0, 0, 0, 0.08),
        inset -3px -3px 8px rgba(255, 255, 255, 0.4);
}

/* ---- Button list ---- */

.btn-list {
    padding: 12px;
    margin-bottom: 20px;
    animation: fadeInUp 0.5s ease 0.1s both;
}

.btn-item {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px 20px;
    border-radius: 16px;
    margin-bottom: 10px;
    background: rgba(255, 255, 255, 0.3);
    border: 1px solid rgba(255, 255, 255, 0.45);
    transition: all 0.25s ease;
    cursor: grab;
}

.btn-item:hover {
    background: rgba(255, 255, 255, 0.45);
    border-color: rgba(255, 255, 255, 0.6);
    box-shadow:
        3px 3px 10px var(--neum-shadow-dark-strong),
        -3px -3px 10px var(--neum-shadow-light-strong);
}

.btn-item:active {
    cursor: grabbing;
}

.btn-item.dragging {
    opacity: 0.4;
}

.btn-item.drag-over {
    border-top: 2px solid var(--accent);
}

.btn-item-icon {
    width: 42px;
    height: 42px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    flex-shrink: 0;
    font-size: 1.15em;
    color: var(--accent);
    background: rgba(74, 138, 238, 0.06);
    border: 1px solid rgba(74, 138, 238, 0.1);
}

.btn-item-info {
    flex: 1;
    min-width: 0;
}

.btn-item-name {
    font-weight: 600;
    font-size: 0.9em;
    margin-bottom: 2px;
}

.btn-item-url {
    font-size: 0.75em;
    color: var(--text-dim);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.btn-item-actions {
    display: flex;
    gap: 8px;
    flex-shrink: 0;
    opacity: 0.5;
    transition: opacity 0.2s ease;
}

.btn-item:hover .btn-item-actions {
    opacity: 1;
}

.add-btn-wrap {
    text-align: center;
    margin-bottom: 24px;
    animation: fadeInUp 0.5s ease 0.2s both;
}

/* ---- Settings ---- */

.settings-section {
    padding: 28px;
    animation: fadeInUp 0.5s ease 0.3s both;
}

.settings-section h3 {
    font-size: 0.95em;
    margin-bottom: 20px;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 10px;
    letter-spacing: 0.5px;
}

.settings-inline {
    display: flex;
    gap: 12px;
    align-items: flex-end;
}

.settings-inline .form-group {
    flex: 1;
}

/* ---- Video upload ---- */
.video-upload-area {
    border: 2px dashed rgba(0,0,0,0.1);
    border-radius: 16px;
    padding: 28px;
    text-align: center;
    cursor: pointer;
    transition: all 0.25s ease;
    background: rgba(0,0,0,0.02);
}

.video-upload-area:hover {
    border-color: rgba(74,138,238,0.3);
    background: rgba(74,138,238,0.03);
}

.video-upload-area.dragover {
    border-color: var(--accent);
    background: rgba(74,138,238,0.06);
}

.video-upload-area i {
    font-size: 2em;
    color: var(--text-dim);
    margin-bottom: 10px;
    display: block;
}

.video-upload-area p {
    font-size: 0.82em;
    color: var(--text-dim);
}

.video-upload-area p span {
    color: var(--accent);
    font-weight: 500;
}

.video-preview {
    margin-top: 14px;
    border-radius: 12px;
    overflow: hidden;
    position: relative;
    border: 1px solid rgba(0,0,0,0.08);
}

.video-preview video {
    width: 100%;
    max-height: 180px;
    object-fit: cover;
    display: block;
}

.video-preview .video-remove {
    position: absolute;
    top: 8px;
    right: 8px;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: rgba(255,60,60,0.7);
    border: none;
    color: #fff;
    font-size: 0.75em;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s ease;
}

.video-preview .video-remove:hover {
    background: rgba(255,60,60,0.9);
}

.video-status {
    margin-top: 10px;
    font-size: 0.78em;
    color: var(--text-dim);
    display: flex;
    align-items: center;
    gap: 6px;
}

.video-status i {
    font-size: 1em;
    display: inline;
    margin: 0;
}

/* ---- Image upload ---- */
.image-upload-area {
    border: 2px dashed rgba(0,0,0,0.1);
    border-radius: 16px;
    padding: 24px;
    text-align: center;
    cursor: pointer;
    transition: all 0.25s ease;
    background: rgba(0,0,0,0.02);
}

.image-upload-area:hover {
    border-color: rgba(74,138,238,0.3);
    background: rgba(74,138,238,0.03);
}

.image-upload-area.dragover {
    border-color: var(--accent);
    background: rgba(74,138,238,0.06);
}

.image-upload-area i {
    font-size: 1.8em;
    color: var(--text-dim);
    margin-bottom: 8px;
    display: block;
}

.image-upload-area p {
    font-size: 0.8em;
    color: var(--text-dim);
}

.image-upload-area p span {
    color: var(--accent);
    font-weight: 500;
}

.image-preview {
    margin-top: 12px;
    border-radius: 12px;
    overflow: hidden;
    position: relative;
    border: 1px solid rgba(0,0,0,0.08);
    display: inline-block;
}

.image-preview img {
    max-width: 100%;
    max-height: 120px;
    display: block;
    object-fit: contain;
}

.image-preview .image-remove {
    position: absolute;
    top: 6px;
    right: 6px;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: rgba(255,60,60,0.7);
    border: none;
    color: #fff;
    font-size: 0.7em;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s ease;
}

.image-preview .image-remove:hover {
    background: rgba(255,60,60,0.9);
}

.image-status {
    margin-top: 8px;
    font-size: 0.75em;
    color: var(--text-dim);
    display: flex;
    align-items: center;
    gap: 6px;
}

.image-status i {
    font-size: 1em;
    display: inline;
    margin: 0;
}

/* ---- Modal ---- */

.modal-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.55);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    z-index: 1000;
    justify-content: center;
    align-items: center;
    padding: 20px;
}

.modal-overlay.active {
    display: flex;
}

.modal {
    width: 100%;
    max-width: 440px;
    padding: 36px;
    animation: modalIn 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes modalIn {
    from { opacity: 0; transform: scale(0.9) translateY(20px); }
    to { opacity: 1; transform: scale(1) translateY(0); }
}

.modal h3 {
    font-size: 1.15em;
    margin-bottom: 24px;
    background: linear-gradient(135deg, #4a8aee, #7b5cff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.modal-actions {
    display: flex;
    gap: 12px;
    margin-top: 24px;
}

.modal-actions .neu-action-btn {
    flex: 1;
    justify-content: center;
    padding: 12px;
}

.icon-hint {
    font-size: 0.72em;
    color: var(--text-dim);
    margin-top: 6px;
    line-height: 1.6;
}

.icon-hint a {
    color: var(--accent);
    text-decoration: none;
}

.icon-hint a:hover {
    text-decoration: underline;
}

.icon-hint code {
    background: rgba(0,0,0,0.05);
    padding: 1px 5px;
    border-radius: 4px;
    font-size: 0.95em;
}

.icon-mode-tabs {
    display: flex;
    gap: 8px;
    margin-bottom: 12px;
}

.icon-tab {
    flex: 1;
    padding: 8px 12px;
    border: 1px solid rgba(0,0,0,0.08);
    border-radius: 10px;
    background: rgba(0,0,0,0.02);
    color: var(--text-secondary);
    font-size: 0.78em;
    font-weight: 500;
    font-family: inherit;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
}

.icon-tab.active {
    background: rgba(74, 138, 238, 0.1);
    border-color: rgba(74, 138, 238, 0.25);
    color: var(--accent);
}

.icon-tab:hover:not(.active) {
    border-color: rgba(0,0,0,0.12);
    background: rgba(0,0,0,0.04);
}

/* ---- Toast ---- */

.toast {
    position: fixed;
    top: 24px;
    right: 24px;
    padding: 14px 24px;
    border-radius: 16px;
    font-size: 0.85em;
    font-weight: 500;
    z-index: 2000;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    animation: toastIn 0.3s ease, toastOut 0.3s ease 2s forwards;
    background: rgba(58, 170, 90, 0.12);
    border: 1px solid rgba(58, 170, 90, 0.25);
    color: var(--success);
    box-shadow:
        6px 6px 20px var(--neum-shadow-dark-strong),
        -6px -6px 20px var(--neum-shadow-light-strong);
}

.toast.error {
    background: rgba(217, 68, 68, 0.1);
    border-color: rgba(217, 68, 68, 0.25);
    color: var(--danger);
}

@keyframes toastIn {
    from { opacity: 0; transform: translateX(40px); }
    to { opacity: 1; transform: translateX(0); }
}

@keyframes toastOut {
    from { opacity: 1; transform: translateX(0); }
    to { opacity: 0; transform: translateX(40px); }
}

/* ---- Empty state ---- */

.empty-state {
    text-align: center;
    padding: 40px 20px;
    color: var(--text-dim);
}

.empty-state i {
    font-size: 2.5em;
    margin-bottom: 14px;
    opacity: 0.4;
    display: block;
}

.empty-state p {
    font-size: 0.85em;
}