/**
 * GeneAuth 2FA Platform — 主样式表
 * 深空生物科技主题
 */

/* ================================================
   1. CSS Variables
   ================================================ */
:root {
    --primary:       #0B6B5E;
    --primary-light: #12A08A;
    --primary-dark:  #074D44;
    --accent:        #7B2FBE;
    --accent-light:  #9D5AE8;
    --accent2:       #00C2E0;
    --accent2-dim:   rgba(0,194,224,0.15);
    --danger:        #E53E3E;
    --danger-light:  #FC8181;
    --warning:       #F6AD55;
    --success:       #38A169;
    --success-light: #68D391;

    --bg-dark:       #060E1E;
    --bg-main:       #0A1628;
    --bg-primary:    #0A1628;
    --bg-card:       #0F2240;
    --bg-card2:      #162B50;
    --bg-card3:      #1C3560;
    --bg-input:      #0D1F38;
    --bg-overlay:    rgba(6,14,30,0.92);

    --text-primary:  #E2E8F0;
    --text-secondary:#A0B4C8;
    --text-muted:    #5A7090;
    --text-accent:   #00C2E0;

    --border:        rgba(0,194,224,0.18);
    --border-hover:  rgba(0,194,224,0.45);
    --border-focus:  rgba(0,194,224,0.8);

    --shadow-sm:     0 2px 8px rgba(0,0,0,0.3);
    --shadow-md:     0 4px 20px rgba(0,0,0,0.5);
    --shadow-lg:     0 8px 40px rgba(0,0,0,0.6);
    --shadow-glow:   0 0 30px rgba(0,194,224,0.15);
    --shadow-primary:0 0 30px rgba(11,107,94,0.3);

    --radius-sm:  6px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 28px;

    --transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --transition-fast: all 0.15s ease;
}

/* ================================================
   2. Reset & Base
   ================================================ */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: 'Inter', 'Noto Sans SC', -apple-system, sans-serif;
    background: var(--bg-main);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
}

/* Custom scrollbar */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-main); }
::-webkit-scrollbar-thumb {
    background: var(--accent2);
    border-radius: 3px;
    opacity: 0.5;
}
::-webkit-scrollbar-thumb:hover { background: var(--primary-light); }

/* Selection */
::selection { background: rgba(0,194,224,0.3); color: #fff; }

/* Links */
a { color: var(--accent2); text-decoration: none; transition: var(--transition-fast); }
a:hover { color: var(--primary-light); }

/* ================================================
   3. Background System
   ================================================ */
.bg-particle {
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    pointer-events: none;
    z-index: 0;
    background:
        radial-gradient(ellipse 80% 60% at 20% 10%, rgba(0,194,224,0.06) 0%, transparent 60%),
        radial-gradient(ellipse 60% 80% at 80% 90%, rgba(123,47,190,0.07) 0%, transparent 60%),
        radial-gradient(ellipse 50% 50% at 50% 50%, rgba(11,107,94,0.04) 0%, transparent 70%),
        var(--bg-main);
}

.bg-grid {
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    pointer-events: none;
    z-index: 0;
    background-image:
        linear-gradient(rgba(0,194,224,0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0,194,224,0.03) 1px, transparent 1px);
    background-size: 60px 60px;
}

/* ================================================
   4. Layout
   ================================================ */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    position: relative;
    z-index: 1;
}

.container-sm {
    max-width: 720px;
    margin: 0 auto;
    padding: 0 24px;
    position: relative;
    z-index: 1;
}

.page-wrapper {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* ================================================
   5. Navigation
   ================================================ */
.navbar {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 100;
    padding: 0 32px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: rgba(6,14,30,0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    transition: var(--transition);
}

.navbar-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
    font-size: 1.2rem;
    color: var(--text-primary);
}

.navbar-brand .brand-icon {
    width: 36px;
    height: 36px;
}

.navbar-brand span {
    background: linear-gradient(135deg, var(--accent2), var(--primary-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.navbar-links {
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-link {
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    color: var(--text-secondary);
    transition: var(--transition-fast);
    position: relative;
}

.nav-link:hover, .nav-link.active {
    color: var(--accent2);
    background: var(--accent2-dim);
}

.nav-link.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: #fff !important;
    border: none;
    box-shadow: 0 4px 15px rgba(11,107,94,0.4);
}

.nav-link.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(11,107,94,0.5);
}

/* ================================================
   6. Hero Section
   ================================================ */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 64px;
    position: relative;
    overflow: hidden;
}

.hero-dna {
    position: absolute;
    right: -100px;
    top: 50%;
    transform: translateY(-50%);
    width: 600px;
    height: 600px;
    opacity: 0.12;
    animation: dna-spin 20s linear infinite;
    pointer-events: none;
}

@keyframes dna-spin {
    0%   { transform: translateY(-50%) rotate(0deg); }
    100% { transform: translateY(-50%) rotate(360deg); }
}

.hero-content {
    max-width: 700px;
    animation: fadeInUp 0.8s ease-out;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 16px;
    border-radius: 100px;
    background: var(--accent2-dim);
    border: 1px solid rgba(0,194,224,0.3);
    color: var(--accent2);
    font-size: 0.82rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    margin-bottom: 24px;
    animation: fadeInUp 0.8s ease-out 0.1s both;
}

.hero-badge .dot {
    width: 6px; height: 6px;
    border-radius: 50%;
    background: var(--accent2);
    animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
    0%, 100% { opacity: 1; transform: scale(1); }
    50%       { opacity: 0.5; transform: scale(0.7); }
}

.hero h1 {
    font-size: clamp(2.4rem, 5vw, 3.8rem);
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: 20px;
    letter-spacing: -0.02em;
    animation: fadeInUp 0.8s ease-out 0.2s both;
}

.hero h1 .gradient-text {
    background: linear-gradient(135deg, var(--accent2) 0%, var(--primary-light) 50%, var(--accent-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero h1 .accent {
    color: var(--accent2);
    -webkit-text-fill-color: var(--accent2);
}

.hero-subtitle {
    font-size: 1.15rem;
    color: var(--text-secondary);
    margin-bottom: 36px;
    line-height: 1.7;
    animation: fadeInUp 0.8s ease-out 0.3s both;
}

.hero-actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    animation: fadeInUp 0.8s ease-out 0.4s both;
}

.hero-stats {
    display: flex;
    gap: 40px;
    margin-top: 60px;
    padding-top: 40px;
    border-top: 1px solid var(--border);
    animation: fadeInUp 0.8s ease-out 0.5s both;
}

.hero-stat {
    text-align: left;
}

.hero-stat .number {
    font-size: 2rem;
    font-weight: 800;
    color: var(--accent2);
    font-family: 'JetBrains Mono', monospace;
    line-height: 1;
}

.hero-stat .label {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: 4px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

/* ================================================
   7. Buttons
   ================================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 28px;
    border-radius: var(--radius-md);
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    outline: none;
    white-space: nowrap;
    text-decoration: none;
}

.btn:active { transform: scale(0.97); }

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: #fff;
    box-shadow: 0 4px 20px rgba(11,107,94,0.4);
}
.btn-primary:hover {
    box-shadow: 0 6px 28px rgba(11,107,94,0.55);
    transform: translateY(-2px);
    color: #fff;
}

.btn-accent {
    background: linear-gradient(135deg, var(--accent), var(--accent-light));
    color: #fff;
    box-shadow: 0 4px 20px rgba(123,47,190,0.4);
}
.btn-accent:hover {
    box-shadow: 0 6px 28px rgba(123,47,190,0.55);
    transform: translateY(-2px);
    color: #fff;
}

.btn-outline {
    background: transparent;
    color: var(--accent2);
    border: 1.5px solid var(--border);
}
.btn-outline:hover {
    background: var(--accent2-dim);
    border-color: var(--border-hover);
    transform: translateY(-2px);
}

.btn-ghost {
    background: transparent;
    color: var(--text-secondary);
    border: 1.5px solid transparent;
}
.btn-ghost:hover { color: var(--accent2); background: var(--accent2-dim); }

.btn-danger {
    background: linear-gradient(135deg, #c53030, #e53e3e);
    color: #fff;
    box-shadow: 0 4px 20px rgba(229,62,62,0.3);
}
.btn-danger:hover { box-shadow: 0 6px 28px rgba(229,62,62,0.45); transform: translateY(-2px); }

.btn-sm { padding: 8px 18px; font-size: 0.85rem; border-radius: var(--radius-sm); }
.btn-lg { padding: 16px 40px; font-size: 1.05rem; }
.btn-block { width: 100%; }

/* Icon button */
.btn-icon {
    width: 36px; height: 36px;
    padding: 0;
    border-radius: var(--radius-sm);
    background: var(--bg-card2);
    color: var(--text-secondary);
    border: 1px solid var(--border);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-fast);
}
.btn-icon:hover { background: var(--bg-card3); color: var(--accent2); border-color: var(--border-hover); }
.btn-icon.danger:hover { background: rgba(229,62,62,0.15); color: var(--danger); border-color: rgba(229,62,62,0.4); }
.btn-icon.success:hover { background: rgba(56,161,105,0.15); color: var(--success); border-color: rgba(56,161,105,0.4); }

/* ================================================
   8. Cards
   ================================================ */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 28px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(0,194,224,0.5), transparent);
    opacity: 0;
    transition: var(--transition);
}

.card:hover {
    border-color: var(--border-hover);
    transform: translateY(-3px);
    box-shadow: var(--shadow-glow);
}

.card:hover::before { opacity: 1; }

.card-glow {
    box-shadow: 0 0 40px rgba(0,194,224,0.08);
}

.card-icon {
    width: 52px; height: 52px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 18px;
    font-size: 1.5rem;
}

.card-icon.green  { background: rgba(11,107,94,0.2); color: var(--primary-light); }
.card-icon.purple { background: rgba(123,47,190,0.2); color: var(--accent-light); }
.card-icon.blue   { background: rgba(0,194,224,0.15); color: var(--accent2); }
.card-icon.orange { background: rgba(246,173,85,0.15); color: var(--warning); }

.card-title {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 10px;
    color: var(--text-primary);
}

.card-desc {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ================================================
   9. Section Layout
   ================================================ */
.section {
    padding: 100px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--accent2);
    margin-bottom: 16px;
}

.section-eyebrow::before,
.section-eyebrow::after {
    content: '';
    width: 24px;
    height: 1px;
    background: var(--accent2);
    opacity: 0.5;
}

.section-title {
    font-size: clamp(1.8rem, 3vw, 2.6rem);
    font-weight: 800;
    margin-bottom: 16px;
    letter-spacing: -0.01em;
}

.section-subtitle {
    font-size: 1.05rem;
    color: var(--text-secondary);
    max-width: 580px;
    margin: 0 auto;
    line-height: 1.7;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
}

/* ================================================
   10. DNA Section Divider
   ================================================ */
.dna-divider {
    width: 100%;
    height: 80px;
    position: relative;
    overflow: hidden;
}

.dna-divider svg {
    width: 100%;
    height: 100%;
}

/* ================================================
   11. Forms
   ================================================ */
.form-group {
    margin-bottom: 20px;
}

.form-label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 8px;
    letter-spacing: 0.02em;
}

.form-label .required { color: var(--danger); margin-left: 3px; }

.form-control {
    width: 100%;
    padding: 12px 16px;
    background: var(--bg-input);
    border: 1.5px solid var(--border);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 0.95rem;
    font-family: inherit;
    transition: var(--transition-fast);
    outline: none;
}

.form-control:focus {
    border-color: var(--border-focus);
    background: var(--bg-input);
    box-shadow: 0 0 0 3px rgba(0,194,224,0.1);
}

.form-control::placeholder { color: var(--text-muted); }

.form-control.mono {
    font-family: 'JetBrains Mono', 'Fira Code', monospace;
    letter-spacing: 0.05em;
}

.form-control.error { border-color: var(--danger); }
.form-control.error:focus { box-shadow: 0 0 0 3px rgba(229,62,62,0.15); }

.form-hint {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: 6px;
}

.form-error {
    font-size: 0.8rem;
    color: var(--danger-light);
    margin-top: 6px;
    display: flex;
    align-items: center;
    gap: 5px;
}

textarea.form-control {
    resize: vertical;
    min-height: 100px;
}

select.form-control {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%235A7090' stroke-width='2'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 14px center;
    padding-right: 40px;
}

/* ================================================
   12. Query Page
   ================================================ */
.query-section {
    min-height: calc(100vh - 64px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 100px 24px 60px;
}

.query-card {
    width: 100%;
    max-width: 520px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    padding: 48px;
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-lg), var(--shadow-glow);
    animation: fadeInUp 0.6s ease-out;
}

.query-card::before {
    content: '';
    position: absolute;
    top: -2px; left: -2px; right: -2px;
    height: 3px;
    background: linear-gradient(90deg, var(--accent2), var(--primary), var(--accent));
    border-radius: var(--radius-xl) var(--radius-xl) 0 0;
}

.query-header {
    text-align: center;
    margin-bottom: 36px;
}

.query-header .varsome-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 14px;
    border-radius: 100px;
    background: linear-gradient(135deg, rgba(123,47,190,0.2), rgba(0,194,224,0.15));
    border: 1px solid var(--border);
    font-size: 0.82rem;
    font-weight: 700;
    color: var(--text-secondary);
    letter-spacing: 0.05em;
    margin-bottom: 20px;
}

.query-header h2 {
    font-size: 1.6rem;
    font-weight: 800;
    margin-bottom: 8px;
}

.query-header p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* OTP Display */
.otp-display {
    background: linear-gradient(135deg, var(--bg-dark), var(--bg-card2));
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 28px;
    text-align: center;
    margin-bottom: 24px;
    position: relative;
    overflow: hidden;
}

.otp-display::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at 20% 50%, rgba(0,194,224,0.06) 0%, transparent 50%),
        radial-gradient(circle at 80% 50%, rgba(123,47,190,0.06) 0%, transparent 50%);
    pointer-events: none;
}

.otp-label {
    font-size: 0.78rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--text-muted);
    margin-bottom: 12px;
}

.otp-code {
    font-family: 'JetBrains Mono', monospace;
    font-size: 3.2rem;
    font-weight: 800;
    letter-spacing: 0.3em;
    color: var(--accent2);
    text-shadow: 0 0 40px rgba(0,194,224,0.4);
    line-height: 1;
    animation: code-appear 0.4s ease-out;
}

@keyframes code-appear {
    from { opacity: 0; transform: scale(0.8) translateY(10px); }
    to   { opacity: 1; transform: scale(1) translateY(0); }
}

.otp-account {
    margin-top: 14px;
    font-size: 0.85rem;
    color: var(--text-secondary);
    font-family: 'JetBrains Mono', monospace;
}

.otp-timer-row {
    margin-top: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.otp-timer-bar {
    flex: 1;
    height: 4px;
    background: var(--border);
    border-radius: 2px;
    overflow: hidden;
}

.otp-timer-bar-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary), var(--accent2));
    border-radius: 2px;
    transition: width 1s linear;
}

.otp-timer-text {
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--text-muted);
    font-family: 'JetBrains Mono', monospace;
    min-width: 32px;
}

/* Countdown color */
.otp-timer-text.warning { color: var(--warning); }
.otp-timer-text.danger  { color: var(--danger); animation: blink 0.5s infinite; }

@keyframes blink {
    50% { opacity: 0.4; }
}

/* ================================================
   13. Admin Layout
   ================================================ */
.admin-layout {
    display: flex;
    min-height: 100vh;
    padding-top: 64px;
}

/* Mobile overlay (dim background behind sidebar) */
.sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.6);
    z-index: 190;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
    backdrop-filter: blur(2px);
}

/* Mobile top bar (hamburger + title on small screens) */
.admin-topbar {
    display: none;
    position: fixed;
    top: 0; left: 0; right: 0;
    height: 56px;
    background: var(--bg-card);
    border-bottom: 1px solid var(--border);
    padding: 0 16px;
    align-items: center;
    gap: 12px;
    z-index: 95;
}

.admin-topbar-brand {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 700;
    font-size: 0.95rem;
    color: var(--text-primary);
    flex: 1;
}

.admin-topbar-brand svg { width: 24px; height: 24px; }

/* Hamburger button (hidden on desktop) */
.hamburger-btn {
    display: none;
    width: 40px;
    height: 40px;
    align-items: center;
    justify-content: center;
    background: var(--bg-card2);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    cursor: pointer;
    color: var(--text-secondary);
    transition: var(--transition-fast);
    flex-shrink: 0;
}

.hamburger-btn:hover {
    background: var(--bg-card3);
    color: var(--accent2);
    border-color: var(--border-hover);
}

.admin-sidebar {
    width: 260px;
    min-height: calc(100vh - 64px);
    background: var(--bg-card);
    border-right: 1px solid var(--border);
    padding: 24px 0;
    position: fixed;
    top: 64px; left: 0;
    overflow-y: auto;
    z-index: 90;
    transition: transform 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94), box-shadow 0.3s ease;
}

.sidebar-brand {
    padding: 0 24px 24px;
    border-bottom: 1px solid var(--border);
    margin-bottom: 16px;
}

.sidebar-brand .brand {
    font-size: 1.1rem;
    font-weight: 800;
    color: var(--text-primary);
}

.sidebar-brand .sub {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 2px;
}

.sidebar-nav { padding: 0 12px; }

.sidebar-section-label {
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-muted);
    padding: 8px 12px;
    margin-top: 8px;
}

.sidebar-link {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
    transition: var(--transition-fast);
    margin-bottom: 2px;
    text-decoration: none;
    min-height: 44px;
}

.sidebar-link:hover {
    background: var(--bg-card2);
    color: var(--text-primary);
}

.sidebar-link.active {
    background: linear-gradient(135deg, rgba(0,194,224,0.12), rgba(11,107,94,0.12));
    color: var(--accent2);
    border: 1px solid rgba(0,194,224,0.2);
}

.sidebar-link svg { flex-shrink: 0; opacity: 0.7; }
.sidebar-link.active svg { opacity: 1; }

.sidebar-link .badge {
    margin-left: auto;
    background: var(--accent2);
    color: var(--bg-dark);
    font-size: 0.7rem;
    font-weight: 700;
    padding: 2px 7px;
    border-radius: 100px;
}

.sidebar-footer {
    padding: 20px 24px 0;
    margin-top: auto;
    border-top: 1px solid var(--border);
}

.admin-main {
    flex: 1;
    margin-left: 260px;
    padding: 32px;
    min-height: calc(100vh - 64px);
}

/* ================================================
   14. Admin Cards / Stats
   ================================================ */
.admin-page-header {
    margin-bottom: 32px;
}

.admin-page-header h1 {
    font-size: 1.8rem;
    font-weight: 800;
    margin-bottom: 6px;
}

.admin-page-header p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 24px;
    position: relative;
    overflow: hidden;
    transition: var(--transition);
}

.stat-card:hover {
    border-color: var(--border-hover);
    transform: translateY(-2px);
}

.stat-card-icon {
    width: 44px; height: 44px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    margin-bottom: 16px;
}

.stat-card-value {
    font-size: 2rem;
    font-weight: 800;
    font-family: 'JetBrains Mono', monospace;
    line-height: 1;
    margin-bottom: 6px;
}

.stat-card-label {
    font-size: 0.82rem;
    color: var(--text-muted);
    font-weight: 500;
}

.stat-card-trend {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 0.78rem;
    font-weight: 600;
    margin-top: 10px;
    padding: 3px 8px;
    border-radius: 100px;
}

.stat-card-trend.up   { color: var(--success-light); background: rgba(56,161,105,0.12); }
.stat-card-trend.down { color: var(--danger-light);  background: rgba(229,62,62,0.12); }

/* ================================================
   15. Data Table
   ================================================ */
.data-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.data-card-header {
    padding: 20px 24px;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    flex-wrap: wrap;
}

.data-card-header h3 {
    font-size: 1rem;
    font-weight: 700;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
}

.data-table th {
    padding: 12px 16px;
    text-align: left;
    font-size: 0.78rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-muted);
    background: var(--bg-card2);
    border-bottom: 1px solid var(--border);
}

.data-table td {
    padding: 14px 16px;
    font-size: 0.9rem;
    border-bottom: 1px solid rgba(255,255,255,0.03);
    vertical-align: middle;
}

.data-table tr:last-child td { border-bottom: none; }

.data-table tr:hover td {
    background: rgba(0,194,224,0.03);
}

.data-table .mono {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85rem;
    letter-spacing: 0.03em;
    color: var(--accent2);
}

.data-table .account-name {
    font-weight: 600;
    max-width: 200px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.data-table .actions {
    display: flex;
    gap: 6px;
    align-items: center;
}

.status-badge {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 3px 10px;
    border-radius: 100px;
    font-size: 0.75rem;
    font-weight: 700;
}

.status-badge.active {
    background: rgba(56,161,105,0.15);
    color: var(--success-light);
    border: 1px solid rgba(56,161,105,0.3);
}

.status-badge.inactive {
    background: rgba(229,62,62,0.1);
    color: var(--danger-light);
    border: 1px solid rgba(229,62,62,0.25);
}

.status-badge .dot {
    width: 5px; height: 5px;
    border-radius: 50%;
    background: currentColor;
}

/* Pagination */
.pagination {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 24px;
    border-top: 1px solid var(--border);
}

.pagination-info {
    font-size: 0.82rem;
    color: var(--text-muted);
}

.pagination-controls {
    display: flex;
    gap: 6px;
}

.pagination-btn {
    width: 34px; height: 34px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    background: var(--bg-card2);
    border: 1px solid var(--border);
    color: var(--text-secondary);
    font-size: 0.85rem;
    cursor: pointer;
    transition: var(--transition-fast);
    text-decoration: none;
}

.pagination-btn:hover { background: var(--bg-card3); color: var(--accent2); }
.pagination-btn.active {
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: #fff;
    border-color: transparent;
}
.pagination-btn:disabled { opacity: 0.4; cursor: not-allowed; }

/* ================================================
   16. Modals
   ================================================ */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(6,14,30,0.85);
    backdrop-filter: blur(6px);
    z-index: 200;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    width: 100%;
    max-width: 560px;
    max-height: 90vh;
    overflow-y: auto;
    transform: scale(0.9) translateY(20px);
    transition: var(--transition);
    box-shadow: var(--shadow-lg);
}

.modal-overlay.active .modal {
    transform: scale(1) translateY(0);
}

.modal-header {
    padding: 24px 28px 20px;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.modal-header h3 {
    font-size: 1.1rem;
    font-weight: 700;
}

.modal-close {
    width: 32px; height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    background: transparent;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    transition: var(--transition-fast);
}
.modal-close:hover { background: var(--bg-card2); color: var(--text-primary); }

.modal-body { padding: 28px; }

.modal-footer {
    padding: 20px 28px;
    border-top: 1px solid var(--border);
    display: flex;
    justify-content: flex-end;
    gap: 12px;
}

/* ================================================
   17. Login Page
   ================================================ */
.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
}

.login-card {
    width: 100%;
    max-width: 420px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    padding: 44px;
    box-shadow: var(--shadow-lg);
    animation: fadeInUp 0.5s ease-out;
    position: relative;
    overflow: hidden;
}

.login-card::before {
    content: '';
    position: absolute;
    top: -2px; left: -2px; right: -2px;
    height: 3px;
    background: linear-gradient(90deg, var(--accent2), var(--accent));
}

.login-logo {
    text-align: center;
    margin-bottom: 36px;
}

.login-logo .logo-icon {
    width: 56px; height: 56px;
    margin: 0 auto 12px;
}

.login-logo h1 {
    font-size: 1.4rem;
    font-weight: 800;
}

.login-logo p {
    font-size: 0.82rem;
    color: var(--text-muted);
    margin-top: 4px;
}

/* ================================================
   18. Alerts & Toast
   ================================================ */
.alert {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 14px 18px;
    border-radius: var(--radius-md);
    font-size: 0.88rem;
    margin-bottom: 20px;
    border: 1px solid;
}

.alert-success {
    background: rgba(56,161,105,0.1);
    border-color: rgba(56,161,105,0.3);
    color: var(--success-light);
}

.alert-error {
    background: rgba(229,62,62,0.1);
    border-color: rgba(229,62,62,0.3);
    color: var(--danger-light);
}

.alert-warning {
    background: rgba(246,173,85,0.1);
    border-color: rgba(246,173,85,0.3);
    color: var(--warning);
}

.alert-info {
    background: rgba(0,194,224,0.1);
    border-color: rgba(0,194,224,0.3);
    color: var(--accent2);
}

.toast-container {
    position: fixed;
    top: 80px; right: 24px;
    z-index: 300;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.toast {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 14px 18px;
    border-radius: var(--radius-md);
    background: var(--bg-card);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-md);
    font-size: 0.88rem;
    animation: slideInRight 0.3s ease-out;
    max-width: 360px;
    min-width: 280px;
}

@keyframes slideInRight {
    from { transform: translateX(100%); opacity: 0; }
    to   { transform: translateX(0); opacity: 1; }
}

.toast.success { border-left: 3px solid var(--success); }
.toast.error   { border-left: 3px solid var(--danger); }
.toast.warning { border-left: 3px solid var(--warning); }
.toast.info    { border-left: 3px solid var(--accent2); }

/* ================================================
   19. Search Bar
   ================================================ */
.search-bar {
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--bg-input);
    border: 1.5px solid var(--border);
    border-radius: var(--radius-md);
    padding: 8px 14px;
    transition: var(--transition-fast);
}

.search-bar:focus-within {
    border-color: var(--border-focus);
    box-shadow: 0 0 0 3px rgba(0,194,224,0.1);
}

.search-bar svg { color: var(--text-muted); flex-shrink: 0; }

.search-bar input {
    flex: 1;
    background: transparent;
    border: none;
    outline: none;
    color: var(--text-primary);
    font-size: 0.9rem;
    font-family: inherit;
}

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

/* ================================================
   20. Empty State
   ================================================ */
.empty-state {
    text-align: center;
    padding: 60px 24px;
    color: var(--text-muted);
}

.empty-state svg {
    opacity: 0.3;
    margin-bottom: 16px;
}

.empty-state h3 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.empty-state p {
    font-size: 0.88rem;
    max-width: 320px;
    margin: 0 auto 24px;
    line-height: 1.6;
}

/* ================================================
   21. Footer
   ================================================ */
.footer {
    padding: 40px 0;
    border-top: 1px solid var(--border);
    text-align: center;
}

.footer-content {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 24px;
    flex-wrap: wrap;
}

.footer p {
    font-size: 0.82rem;
    color: var(--text-muted);
}

.footer a {
    color: var(--text-muted);
    transition: var(--transition-fast);
}

.footer a:hover { color: var(--accent2); }

.footer-links {
    display: flex;
    gap: 20px;
}

/* ================================================
   22. Animations
   ================================================ */
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(24px); }
    to   { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to   { opacity: 1; }
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50%       { opacity: 0.5; }
}

.animate-fadeInUp { animation: fadeInUp 0.6s ease-out both; }
.animate-fadeIn   { animation: fadeIn 0.6s ease-out both; }

/* Staggered children */
.stagger-children > *:nth-child(1) { animation-delay: 0.1s; }
.stagger-children > *:nth-child(2) { animation-delay: 0.2s; }
.stagger-children > *:nth-child(3) { animation-delay: 0.3s; }
.stagger-children > *:nth-child(4) { animation-delay: 0.4s; }
.stagger-children > *:nth-child(5) { animation-delay: 0.5s; }
.stagger-children > *:nth-child(6) { animation-delay: 0.6s; }

/* Loading spinner */
.spinner {
    width: 20px; height: 20px;
    border: 2px solid var(--border);
    border-top-color: var(--accent2);
    border-radius: 50%;
    animation: spin 0.7s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Loading overlay */
.loading-overlay {
    position: absolute;
    inset: 0;
    background: rgba(6,14,30,0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-lg);
    z-index: 5;
}

/* Refresh animation */
@keyframes refresh-spin {
    from { transform: rotate(0deg); }
    to   { transform: rotate(360deg); }
}

.refreshing .refresh-icon {
    animation: refresh-spin 1s linear infinite;
}

/* ================================================
   23. Responsive
   ================================================ */
/* ================================================
   23. Responsive — 移动端适配
   ================================================ */

/* ---- Tablet (768px - 1024px) ---- */
@media (max-width: 1024px) {
    /* Admin main content: account for mobile topbar */
    body .admin-main {
        padding-top: calc(56px + 20px);
    }

    /* Admin sidebar: hidden by default, slide-in on toggle */
    .admin-sidebar {
        width: 260px;
        transform: translateX(-100%);
        transition: transform 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        top: 0;
        height: 100vh;
        z-index: 200;
        box-shadow: none;
    }
    .admin-sidebar.open {
        transform: translateX(0);
        box-shadow: 4px 0 40px rgba(0,0,0,0.5);
    }
    .admin-main {
        margin-left: 0;
        padding: 20px 20px;
    }

    /* Stats: 2 columns */
    .stats-grid { grid-template-columns: repeat(2, 1fr); }

    /* Hero stats: wrap */
    .hero-stats { flex-wrap: wrap; gap: 24px; }
}

/* ---- Mobile (max-width: 768px) ---- */
@media (max-width: 768px) {
    /* ---- Navigation ---- */
    .navbar {
        padding: 0 16px;
        height: 56px;
    }
    .navbar-brand .brand-icon { width: 30px; height: 30px; }
    .navbar-brand span { font-size: 1rem; }

    /* Hide desktop nav links, show hamburger */
    .navbar-links {
        display: none;
        position: fixed;
        top: 56px; left: 0; right: 0;
        flex-direction: column;
        background: rgba(6,14,30,0.97);
        backdrop-filter: blur(20px);
        border-bottom: 1px solid var(--border);
        padding: 16px;
        gap: 4px;
        z-index: 150;
    }
    .navbar-links.mobile-open { display: flex; }

    .nav-link {
        padding: 12px 16px;
        border-radius: var(--radius-sm);
        font-size: 0.95rem;
        width: 100%;
        text-align: left;
    }
    .nav-link.btn-primary {
        width: 100%;
        justify-content: center;
        border-radius: var(--radius-md);
    }

    /* Mobile hamburger button */
    .hamburger-btn {
        display: flex !important;
        width: 40px;
        height: 40px;
        align-items: center;
        justify-content: center;
        background: var(--bg-card2);
        border: 1px solid var(--border);
        border-radius: var(--radius-sm);
        cursor: pointer;
        color: var(--text-secondary);
        transition: var(--transition-fast);
        flex-shrink: 0;
    }
    .hamburger-btn:hover {
        background: var(--bg-card3);
        color: var(--accent2);
        border-color: var(--border-hover);
    }

    /* Mobile overlay (behind sidebar) */
    .sidebar-overlay {
        display: block;
        position: fixed;
        inset: 0;
        background: rgba(0,0,0,0.6);
        z-index: 190;
        opacity: 0;
        visibility: hidden;
        transition: var(--transition);
    }
    .sidebar-overlay.active {
        opacity: 1;
        visibility: visible;
    }

    /* ---- Hero Section ---- */
    .hero {
        min-height: calc(100vh - 56px);
        padding-top: 56px;
        align-items: flex-start;
        padding-bottom: 40px;
    }
    .hero-dna { display: none; }
    .hero-content { max-width: 100%; }
    .hero h1 {
        font-size: clamp(1.8rem, 8vw, 2.6rem);
        margin-bottom: 16px;
    }
    .hero-subtitle {
        font-size: 0.95rem;
        line-height: 1.6;
        margin-bottom: 28px;
    }
    .hero-actions {
        flex-direction: column;
        gap: 12px;
    }
    .hero-stats {
        gap: 16px;
        padding-top: 28px;
    }
    .hero-stat .number { font-size: 1.6rem; }

    /* ---- Sections ---- */
    .section { padding: 60px 0; }
    .features-grid { grid-template-columns: 1fr; }
    .section-title { font-size: 1.6rem; }
    .section-subtitle { font-size: 0.92rem; }
    .card { padding: 22px 20px; }

    /* ---- Query Page ---- */
    .query-section {
        padding: 80px 16px 40px;
        align-items: flex-start;
        min-height: auto;
    }
    .query-card {
        padding: 24px 20px;
        border-radius: var(--radius-lg);
    }
    .query-header h2 { font-size: 1.3rem; }
    .otp-code {
        font-size: clamp(2.2rem, 12vw, 3rem);
        letter-spacing: 0.25em;
    }
    .otp-display { padding: 20px 16px; }
    #query-code-input { font-size: 1rem; }

    /* ---- Admin Main ---- */
    .admin-main {
        padding: 16px 12px;
    }
    .admin-page-header h1 { font-size: 1.4rem; }
    .admin-page-header p { font-size: 0.82rem; }
    .admin-page-header {
        flex-direction: column;
        align-items: flex-start;
    }
    .admin-page-header .btn { width: 100%; justify-content: center; }

    /* Admin stat cards: 2 cols */
    .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
    .stat-card { padding: 16px; }
    .stat-card-value { font-size: 1.5rem; }
    .stat-card-label { font-size: 0.75rem; }

    /* Admin bottom grid: stack */
    .admin-main > div[style*="grid"] {
        grid-template-columns: 1fr !important;
    }

    /* Data cards */
    .data-card-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
        padding: 14px 16px;
    }
    .data-card-header > * { width: 100%; }
    .search-bar { width: 100%; }
    .data-card-header .btn { width: 100%; justify-content: center; }

    /* Data table: horizontal scroll */
    .data-table-wrapper { overflow-x: auto; -webkit-overflow-scrolling: touch; }
    .data-table { min-width: 600px; }
    .data-table th, .data-table td { padding: 10px 12px; font-size: 0.82rem; }

    /* Pagination */
    .pagination {
        flex-direction: column;
        gap: 12px;
        padding: 14px 16px;
    }
    .pagination-controls { flex-wrap: wrap; justify-content: center; }
    .pagination-info { text-align: center; }

    /* ---- Modals ---- */
    .modal-overlay {
        padding: 0;
        align-items: flex-end;
    }
    .modal {
        max-width: 100%;
        border-radius: var(--radius-xl) var(--radius-xl) 0 0;
        max-height: 92vh;
    }
    .modal-header { padding: 20px; }
    .modal-body { padding: 20px; }
    .modal-footer {
        padding: 16px 20px;
        flex-direction: column;
    }
    .modal-footer .btn { width: 100%; justify-content: center; }

    /* ---- Forms ---- */
    .form-group { margin-bottom: 16px; }
    .form-control {
        padding: 14px 16px;
        font-size: 1rem; /* prevent iOS zoom */
    }
    textarea.form-control { min-height: 80px; }

    /* ---- Alerts ---- */
    .alert { padding: 12px 14px; font-size: 0.85rem; }

    /* ---- Login Page ---- */
    .login-card {
        padding: 32px 24px;
        border-radius: var(--radius-lg);
        max-width: 100%;
    }
    .login-logo .logo-icon { width: 48px; height: 48px; }
    .login-logo h1 { font-size: 1.2rem; }

    /* ---- Toast ---- */
    .toast-container {
        top: auto;
        bottom: 24px;
        right: 12px;
        left: 12px;
    }
    .toast { max-width: 100%; min-width: 0; }

    /* ---- Footer ---- */
    .footer { padding: 28px 0; }
    .footer-content { flex-direction: column; gap: 12px; }

    /* ---- Varsome Section ---- */
    .features-grid[style*="grid-template-columns:repeat(3,1fr)"] {
        grid-template-columns: 1fr !important;
    }
    .features-grid[style*="grid-template-columns:repeat(2,1fr)"] {
        grid-template-columns: 1fr !important;
    }
}

/* ---- Small Mobile (max-width: 480px) ---- */
@media (max-width: 480px) {
    /* OTP code: full-width large display */
    .otp-code {
        font-size: clamp(2rem, 18vw, 2.6rem);
        letter-spacing: 0.2em;
    }
    .otp-timer-row { margin-top: 12px; }

    /* Hero actions: full width buttons */
    .hero-actions .btn { width: 100%; }

    /* Stats: 1 column on very small screens */
    .stats-grid { grid-template-columns: 1fr; }

    /* OTP copy row */
    .otp-timer-row + div {
        flex-direction: column;
        gap: 10px;
    }

    /* Admin: stat cards 1 column */
    .stats-grid { grid-template-columns: 1fr 1fr; }

    /* Admin sidebar: full width */
    .admin-sidebar { width: 100%; }

    /* Quick actions in admin */
    .card[style*="justify-content:space-between"] {
        flex-direction: column;
        gap: 12px;
    }
    .card[style*="justify-content:space-between"] .btn { width: 100%; justify-content: center; }

    /* Filter row */
    .data-card > div[style*="flex-wrap"] {
        flex-direction: column;
    }
    .data-card > div[style*="flex-wrap"] > * { width: 100%; }
    .data-card > div[style*="flex-wrap"] > .search-bar { width: 100%; }
}

/* ---- Touch device optimizations ---- */
@media (hover: none) and (pointer: coarse) {
    /* Remove hover effects on touch devices */
    .card:hover {
        transform: none;
        box-shadow: none;
    }
    .btn:hover { transform: none; }

    /* Larger touch targets */
    .nav-link { min-height: 44px; display: flex; align-items: center; }
    .sidebar-link { min-height: 44px; }
    .btn { min-height: 44px; }
    .btn-icon { width: 44px; height: 44px; }

    /* Active states */
    .nav-link:active { background: var(--bg-card2); }
    .card:active { background: var(--bg-card2); }

    /* Prevent text selection on UI elements */
    .btn, .nav-link, .sidebar-link, .btn-icon {
        -webkit-user-select: none;
        user-select: none;
    }
}

/* ---- Landscape mobile ---- */
@media (max-height: 500px) and (orientation: landscape) {
    .hero { min-height: auto; padding: 80px 0 40px; }
    .hero-stats { margin-top: 24px; }
    .query-section { min-height: auto; padding: 80px 16px 24px; align-items: flex-start; }
    .login-page { padding: 12px; }
    .login-card { padding: 20px; }
}

/* ================================================
   24. Utility Classes
   ================================================ */
.text-primary   { color: var(--text-primary); }
.text-secondary { color: var(--text-secondary); }
.text-muted     { color: var(--text-muted); }
.text-accent    { color: var(--accent2); }
.text-success   { color: var(--success-light); }
.text-danger    { color: var(--danger-light); }
.text-warning   { color: var(--warning); }

.fw-400 { font-weight: 400; }
.fw-500 { font-weight: 500; }
.fw-600 { font-weight: 600; }
.fw-700 { font-weight: 700; }
.fw-800 { font-weight: 800; }

.text-sm  { font-size: 0.82rem; }
.text-xs  { font-size: 0.75rem; }
.text-lg  { font-size: 1.1rem; }
.text-xl  { font-size: 1.2rem; }

.text-center { text-align: center; }
.text-right  { text-align: right; }

.mt-0  { margin-top: 0; }
.mt-4  { margin-top: 4px; }
.mt-8  { margin-top: 8px; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.mt-32 { margin-top: 32px; }
.mb-0  { margin-bottom: 0; }
.mb-8  { margin-bottom: 8px; }
.mb-16 { margin-bottom: 16px; }
.mb-24 { margin-bottom: 24px; }
.mb-32 { margin-bottom: 32px; }

.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-8  { gap: 8px; }
.gap-16 { gap: 16px; }
.gap-24 { gap: 24px; }

.w-full { width: 100%; }
.hidden { display: none !important; }