/* ============================================
   Allproofs Design System
   Inspired by Ivy Wallet - Clean, Modern, Minimal
   ============================================ */

/* --- CSS Variables --- */
:root {
    --color-primary: #2B9348;
    --color-primary-light: #55A630;
    --color-primary-dark: #1B7A2E;
    --color-primary-bg: #F0FFF4;
    --color-accent: #007BFF;
    --color-accent-light: #E8F4FD;
    --color-gold: #D4A017;
    --color-gold-light: #FFF8E1;
    --color-gold-dark: #B8860B;
    --color-danger: #DC3545;
    --color-danger-bg: #FFF5F5;
    --color-warning: #F59E0B;
    --color-warning-bg: #FFFBEB;
    --color-bg: #FAFBFC;
    --color-surface: #FFFFFF;
    --color-surface-hover: #F8F9FA;
    --color-border: #E5E7EB;
    --color-border-light: #F3F4F6;
    --color-text: #1A1A2E;
    --color-text-secondary: #6B7280;
    --color-text-muted: #9CA3AF;
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    --radius-full: 9999px;
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
    --shadow-lg: 0 8px 30px rgba(0,0,0,0.12);
    --shadow-card: 0 2px 8px rgba(0,0,0,0.06);
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --transition: all 0.2s ease;
}

/* --- Reset & Base --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; overscroll-behavior-x: none; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }
body {
    font-family: var(--font-family);
    background: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    min-height: 100vh;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--color-primary); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--color-primary-dark); }

/* --- Layout --- */
.app-container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
.app-narrow { max-width: 800px; margin: 0 auto; padding: 0 20px; }
.app-center { display: flex; flex-direction: column; align-items: center; justify-content: center; min-height: 100vh; padding: 20px; }

/* --- Header / Navbar --- */
.app-header {
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    position: sticky; top: 0; z-index: 100;
    backdrop-filter: blur(8px);
}
.app-header-inner {
    display: flex; justify-content: space-between; align-items: center;
    padding: 14px 20px; max-width: 1200px; margin: 0 auto;
}
.app-logo { display: flex; align-items: center; gap: 10px; text-decoration: none; }
.app-logo img { height: 36px; width: auto; }
.app-logo-text { font-size: 1.25rem; font-weight: 800; color: var(--color-text); letter-spacing: -0.02em; }
.app-nav { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; }
.app-nav a {
    padding: 8px 16px; border-radius: var(--radius-full); font-size: 0.875rem;
    font-weight: 500; color: var(--color-text-secondary); transition: var(--transition);
    white-space: nowrap;
}
.app-nav a:hover { background: var(--color-surface-hover); color: var(--color-text); }
.app-nav a.active { background: var(--color-primary-bg); color: var(--color-primary); font-weight: 600; }

/* --- Buttons --- */
.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 8px;
    padding: 10px 20px; border-radius: var(--radius-md); font-weight: 600;
    font-size: 0.9rem; border: none; cursor: pointer; transition: var(--transition);
    text-decoration: none; line-height: 1.4; font-family: var(--font-family);
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }
.btn-primary { background: var(--color-primary); color: #fff; }
.btn-primary:hover { background: var(--color-primary-dark); color: #fff; box-shadow: var(--shadow-md); }
.btn-accent { background: var(--color-accent); color: #fff; }
.btn-accent:hover { background: #0069d9; color: #fff; }
.btn-gold { background: var(--color-gold); color: #fff; }
.btn-gold:hover { background: var(--color-gold-dark); color: #fff; }
.btn-outline { background: transparent; border: 2px solid var(--color-border); color: var(--color-text); }
.btn-outline:hover { border-color: var(--color-primary); color: var(--color-primary); background: var(--color-primary-bg); }
.btn-danger { background: var(--color-danger); color: #fff; }
.btn-danger:hover { background: #c82333; color: #fff; }
.btn-ghost { background: transparent; color: var(--color-text-secondary); padding: 8px 14px; }
.btn-ghost:hover { background: var(--color-surface-hover); color: var(--color-text); }
.btn-sm { padding: 6px 14px; font-size: 0.8rem; }
.btn-lg { padding: 14px 28px; font-size: 1rem; }
.btn-block { width: 100%; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; transform: none; }

/* --- Cards --- */
.card {
    background: var(--color-surface); border-radius: var(--radius-lg);
    border: 1px solid var(--color-border); padding: 24px;
    transition: var(--transition);
}
.card-hover:hover { box-shadow: var(--shadow-md); border-color: var(--color-primary); transform: translateY(-2px); }
.card-compact { padding: 16px; }
.card-flat { border: none; background: var(--color-surface-hover); }

/* --- Section Headers --- */
.section-title {
    font-size: 1.75rem; font-weight: 800; color: var(--color-text);
    letter-spacing: -0.02em; margin-bottom: 4px;
}
.section-subtitle { font-size: 0.95rem; color: var(--color-text-secondary); margin-bottom: 24px; }

/* --- Status Badge --- */
.badge {
    display: inline-flex; align-items: center; gap: 4px; padding: 4px 10px;
    border-radius: var(--radius-full); font-size: 0.75rem; font-weight: 600;
}
.badge-success { background: var(--color-primary-bg); color: var(--color-primary); }
.badge-warning { background: var(--color-warning-bg); color: var(--color-warning); }
.badge-danger { background: var(--color-danger-bg); color: var(--color-danger); }
.badge-gold { background: var(--color-gold-light); color: var(--color-gold-dark); }
.badge-info { background: var(--color-accent-light); color: var(--color-accent); }

/* --- Notice Banner --- */
.notice-banner {
    width: 100%; background: var(--color-danger); color: #fff;
    padding: 12px 20px; text-align: center; font-size: 0.85rem; font-weight: 500;
}
.notice-banner strong { font-weight: 700; }
.notice-banner p { margin: 4px 0 0; font-size: 0.8rem; opacity: 0.9; }

/* --- Forms --- */
.form-group { margin-bottom: 16px; }
.form-label { display: block; font-size: 0.85rem; font-weight: 600; color: var(--color-text); margin-bottom: 6px; }
.form-input, .form-select {
    width: 100%; padding: 12px 16px; border: 2px solid var(--color-border);
    border-radius: var(--radius-md); font-size: 0.95rem; font-family: var(--font-family);
    background: var(--color-surface); color: var(--color-text); transition: var(--transition);
    outline: none;
}
.form-input:focus, .form-select:focus {
    border-color: var(--color-primary); box-shadow: 0 0 0 3px rgba(43,147,72,0.1);
}
.form-input::placeholder { color: var(--color-text-muted); }

/* --- Tables --- */
.table-wrap { overflow-x: auto; border-radius: var(--radius-lg); border: 1px solid var(--color-border); }
.table { width: 100%; border-collapse: collapse; }
.table th {
    text-align: left; padding: 14px 16px; font-size: 0.8rem; font-weight: 700;
    text-transform: uppercase; letter-spacing: 0.05em; color: var(--color-text-secondary);
    background: var(--color-surface-hover); border-bottom: 1px solid var(--color-border);
}
.table td { padding: 14px 16px; border-bottom: 1px solid var(--color-border-light); font-size: 0.9rem; }
.table tbody tr:hover { background: var(--color-surface-hover); }
.table tbody tr:last-child td { border-bottom: none; }

/* --- Grid Layouts --- */
.proof-grid {
    display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 16px; margin: 24px 0;
}
.proof-card {
    background: var(--color-surface); border: 1px solid var(--color-border);
    border-radius: var(--radius-lg); padding: 20px; text-align: center;
    transition: var(--transition); text-decoration: none; color: var(--color-text);
    display: flex; flex-direction: column; align-items: center; gap: 12px;
}
.proof-card:hover {
    border-color: var(--color-primary); box-shadow: var(--shadow-md);
    transform: translateY(-3px); color: var(--color-text);
}
.proof-card .proof-icon {
    width: 56px; height: 56px; border-radius: var(--radius-md);
    background: var(--color-primary-bg); display: flex; align-items: center;
    justify-content: center; font-size: 1.5rem; color: var(--color-primary);
    overflow: hidden;
}
.proof-card .proof-icon img { width: 40px; height: 40px; object-fit: contain; }
.proof-card .proof-name { font-weight: 600; font-size: 0.85rem; line-height: 1.3; }

/* --- Pro Grid (gold accent) --- */
.proof-card.pro-card:hover { border-color: var(--color-gold); }
.proof-card.pro-card .proof-icon { background: var(--color-gold-light); color: var(--color-gold-dark); }

/* --- Plan Cards --- */
.plans-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 20px; margin: 24px 0; }
.plan-card {
    background: var(--color-surface); border: 2px solid var(--color-border);
    border-radius: var(--radius-xl); padding: 28px; text-align: center;
    transition: var(--transition); cursor: pointer; position: relative;
}
.plan-card:hover, .plan-card.selected { border-color: var(--color-primary); box-shadow: var(--shadow-md); }
.plan-card.pro-plan { border-color: var(--color-gold); }
.plan-card.pro-plan:hover, .plan-card.pro-plan.selected { border-color: var(--color-gold-dark); box-shadow: 0 4px 20px rgba(212,160,23,0.15); }
.plan-card .plan-name { font-size: 1rem; font-weight: 700; margin-bottom: 8px; }
.plan-card .plan-price { font-size: 2rem; font-weight: 800; color: var(--color-primary); margin-bottom: 4px; }
.plan-card.pro-plan .plan-price { color: var(--color-gold-dark); }
.plan-card .plan-cycle { font-size: 0.85rem; color: var(--color-text-muted); margin-bottom: 16px; }
.plan-card .plan-desc { font-size: 0.85rem; color: var(--color-text-secondary); }
.plan-card .plan-badge {
    position: absolute; top: -1px; right: 20px;
    padding: 4px 12px; border-radius: 0 0 var(--radius-sm) var(--radius-sm);
    font-size: 0.7rem; font-weight: 700; text-transform: uppercase;
}
.plan-card .plan-badge.popular { background: var(--color-primary); color: #fff; }
.plan-card .plan-badge.pro { background: var(--color-gold); color: #fff; }

/* --- Summary / Stats --- */
.stats-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 16px; margin-bottom: 24px; }
.stat-card {
    background: var(--color-surface); border: 1px solid var(--color-border);
    border-radius: var(--radius-md); padding: 20px;
}
.stat-card .stat-label { font-size: 0.8rem; color: var(--color-text-muted); font-weight: 500; margin-bottom: 4px; }
.stat-card .stat-value { font-size: 1.5rem; font-weight: 800; color: var(--color-text); }

/* --- Referral Box --- */
.ref-box {
    background: var(--color-primary-bg); border: 1px solid rgba(43,147,72,0.2);
    border-radius: var(--radius-lg); padding: 16px 20px; display: flex;
    align-items: center; gap: 12px; flex-wrap: wrap; margin-bottom: 24px;
}
.ref-box .ref-label { font-size: 0.85rem; font-weight: 600; color: var(--color-primary-dark); white-space: nowrap; }
.ref-box .ref-link { flex: 1; font-size: 0.85rem; color: var(--color-text); word-break: break-all; min-width: 200px; }
.ref-box .btn { flex-shrink: 0; }

/* --- Alert --- */
.alert { padding: 14px 18px; border-radius: var(--radius-md); margin-bottom: 16px; font-size: 0.9rem; display: flex; align-items: flex-start; gap: 10px; }
.alert-info { background: var(--color-accent-light); color: var(--color-accent); border: 1px solid rgba(0,123,255,0.15); }
.alert-success { background: var(--color-primary-bg); color: var(--color-primary-dark); border: 1px solid rgba(43,147,72,0.15); }
.alert-warning { background: var(--color-warning-bg); color: #92400E; border: 1px solid rgba(245,158,11,0.15); }
.alert-danger { background: var(--color-danger-bg); color: var(--color-danger); border: 1px solid rgba(220,53,69,0.15); }

/* --- Modal --- */
.modal-overlay {
    display: none; position: fixed; inset: 0; background: rgba(0,0,0,0.4);
    z-index: 1000; align-items: center; justify-content: center; padding: 20px;
    backdrop-filter: blur(4px);
}
.modal-overlay.active { display: flex; }
.modal-box {
    background: var(--color-surface); border-radius: var(--radius-xl);
    width: 100%; max-width: 480px; padding: 32px; box-shadow: var(--shadow-lg);
    position: relative; max-height: 90vh; overflow-y: auto;
}
.modal-close {
    position: absolute; top: 16px; right: 16px; width: 32px; height: 32px;
    border-radius: var(--radius-full); border: none; background: var(--color-surface-hover);
    font-size: 1.2rem; cursor: pointer; display: flex; align-items: center;
    justify-content: center; color: var(--color-text-muted); transition: var(--transition);
}
.modal-close:hover { background: var(--color-danger-bg); color: var(--color-danger); }
.modal-title { font-size: 1.25rem; font-weight: 700; margin-bottom: 20px; }

/* --- Auth Card (Login/Register) --- */
.auth-wrapper {
    display: flex; align-items: center; justify-content: center;
    min-height: 100vh; padding: 40px 20px; background: var(--color-bg);
}
.auth-card {
    background: var(--color-surface); border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg); padding: 40px; width: 100%; max-width: 440px;
}
.auth-card .auth-logo { text-align: center; margin-bottom: 28px; }
.auth-card .auth-logo img { height: 48px; margin: 0 auto; }
.auth-card .auth-title { font-size: 1.5rem; font-weight: 800; text-align: center; margin-bottom: 4px; }
.auth-card .auth-subtitle { font-size: 0.9rem; color: var(--color-text-secondary); text-align: center; margin-bottom: 28px; }

/* --- Footer --- */
.app-footer { text-align: center; padding: 32px 20px; color: var(--color-text-muted); font-size: 0.85rem; border-top: 1px solid var(--color-border); margin-top: 40px; }

/* --- Floating Support Button --- */
.support-fab {
    position: fixed; bottom: 24px; right: 24px; z-index: 999;
    /* Only the button itself should be interactive — not the surrounding area */
    pointer-events: none;
}
.support-fab-btn {
    display: flex; align-items: center; gap: 8px; padding: 12px 20px;
    background: #25D366; color: #fff; border-radius: var(--radius-full);
    font-weight: 600; font-size: 0.85rem; box-shadow: var(--shadow-lg);
    cursor: pointer; transition: var(--transition); border: none; font-family: var(--font-family);
    pointer-events: auto; /* Re-enable clicks on the button itself */
    position: relative; z-index: 2;
}
.support-fab-btn:hover { transform: translateY(-2px); box-shadow: 0 6px 20px rgba(37,211,102,0.3); }
.support-fab-btn svg { width: 20px; height: 20px; flex-shrink: 0; }
.support-fab-menu {
    display: flex; flex-direction: column; gap: 6px;
    position: absolute; bottom: calc(100% + 10px); right: 0; width: 220px;
    opacity: 0; visibility: hidden; transform: translateY(8px);
    transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s;
    pointer-events: none;
}
.support-fab-menu.open {
    opacity: 1; visibility: visible; transform: translateY(0);
    pointer-events: auto;
}
.support-fab-item {
    display: flex; align-items: center; gap: 10px; padding: 12px 14px;
    background: var(--color-surface); color: var(--color-text); border-radius: var(--radius-md);
    font-size: 0.85rem; font-weight: 500; text-decoration: none;
    box-shadow: var(--shadow-card); transition: var(--transition);
}
.support-fab-item:hover { background: var(--color-surface-hover); transform: translateY(-1px); box-shadow: var(--shadow-md); color: var(--color-text); }
.support-fab-item svg { width: 18px; height: 18px; flex-shrink: 0; color: var(--color-primary); }

/* --- Loading States --- */
.skeleton {
    background: linear-gradient(90deg, var(--color-surface-hover) 25%, var(--color-border-light) 50%, var(--color-surface-hover) 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
    border-radius: var(--radius-md);
}

@keyframes shimmer {
    0% { background-position: -200% 0; }
    100% { background-position: 200% 0; }
}

/* --- Smooth Scroll --- */
html {
    scroll-padding-top: 80px;
}

/* --- Focus Styles --- */
*:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

/* --- Selection --- */
::selection {
    background: var(--color-primary);
    color: #fff;
}

/* --- Hover Effects --- */
.hover-lift {
    transition: var(--transition);
}
.hover-lift:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* --- Glassmorphism Effect --- */
.glass {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

/* --- Gradient Text --- */
.gradient-text {
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* --- Utility --- */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-muted { color: var(--color-text-muted); }
.text-sm { font-size: 0.85rem; }
.mt-0 { margin-top: 0; } .mt-1 { margin-top: 8px; } .mt-2 { margin-top: 16px; } .mt-3 { margin-top: 24px; } .mt-4 { margin-top: 32px; }
.mb-0 { margin-bottom: 0; } .mb-1 { margin-bottom: 8px; } .mb-2 { margin-bottom: 16px; } .mb-3 { margin-bottom: 24px; } .mb-4 { margin-bottom: 32px; }
.flex { display: flex; } .flex-col { flex-direction: column; }
.items-center { align-items: center; } .justify-between { justify-content: space-between; }
.gap-1 { gap: 8px; } .gap-2 { gap: 16px; } .gap-3 { gap: 24px; }
.flex-wrap { flex-wrap: wrap; }
.w-full { width: 100%; }
.hidden { display: none !important; }

/* --- Animations --- */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

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

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

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.animate-fade-in { animation: fadeIn 0.3s ease-out; }
.animate-slide-up { animation: slideUp 0.4s ease-out; }
.animate-slide-down { animation: slideDown 0.4s ease-out; }
.animate-scale-in { animation: scaleIn 0.3s ease-out; }

/* --- Responsive --- */
html, body {
    overflow-x: hidden;
    width: 100%;
    max-width: 100%;
}

/* Ensure no element causes horizontal scroll */
img, iframe, video, table {
    max-width: 100%;
    height: auto;
}

h1, h2, h3, h4, h5, h6, p, span, div, td, th, label {
    word-wrap: break-word;
    overflow-wrap: break-word;
    hyphens: auto;
}

/* Mobile Menu Enhancements */
.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    border-radius: var(--radius-md);
    transition: var(--transition);
}

.mobile-menu-btn:hover {
    background: var(--color-surface-hover);
}

.admin-sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 99;
}

.admin-sidebar-overlay.active {
    display: block;
}

@media (max-width: 1024px) {
    .admin-content {
        padding: 20px 16px;
    }
    
    .table-wrap {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }
}

@media (max-width: 768px) {
    html, body {
        overflow-x: hidden !important;
        width: 100% !important;
        max-width: 100vw !important;
    }
    
    .app-container,
    .app-narrow {
        padding: 0 12px;
    }
    
    .app-header-inner {
        flex-direction: column;
        gap: 10px;
        text-align: center;
        padding: 12px 16px;
    }
    
    .app-nav {
        justify-content: center;
        gap: 4px;
    }
    
    .app-nav a {
        padding: 6px 12px;
        font-size: 0.8rem;
    }
    
    .proof-grid {
        grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
        gap: 12px;
    }
    
    .proof-card {
        padding: 14px;
    }
    
    .proof-card .proof-icon {
        width: 44px;
        height: 44px;
    }
    
    .plans-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    
    .stats-row {
        grid-template-columns: 1fr 1fr;
        gap: 12px;
    }
    
    .stat-card {
        padding: 16px;
    }
    
    .stat-card .stat-label {
        font-size: 0.75rem;
    }
    
    .stat-card .stat-value {
        font-size: 1.25rem;
    }
    
    .section-title {
        font-size: 1.4rem;
    }
    
    .auth-card {
        padding: 28px 20px;
    }
    
    .ref-box {
        flex-direction: column;
        align-items: stretch;
        text-align: center;
        padding: 14px 16px;
    }
    
    .ref-link {
        min-width: 100% !important;
        font-size: 0.8rem;
    }
    
    .support-fab {
        bottom: 16px;
        right: 16px;
    }
    
    .support-fab-btn span {
        display: none;
    }
    
    .support-fab-btn {
        padding: 14px;
        border-radius: var(--radius-full);
    }
    
    /* Admin sidebar mobile */
    .admin-sidebar {
        display: none;
        position: fixed;
        z-index: 100;
        left: 0;
        top: 0;
        bottom: 0;
        width: 280px;
        max-width: 85%;
        box-shadow: var(--shadow-lg);
        transform: translateX(-100%);
        transition: transform 0.3s ease;
    }
    
    .admin-sidebar.open {
        display: flex;
        transform: translateX(0);
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .admin-topbar {
        padding: 12px 16px;
    }
    
    .admin-topbar .topbar-search {
        width: 140px;
        padding: 6px 12px;
        font-size: 0.8rem;
    }
    
    .admin-content {
        padding: 16px 12px;
    }
    
    /* Make action buttons stack on mobile */
    .flex.gap-1.flex-wrap {
        width: 100%;
    }
    
    .flex.gap-1.flex-wrap .btn-sm {
        flex: 1 1 calc(50% - 4px);
        min-width: 140px;
        font-size: 0.75rem;
        padding: 8px 10px;
    }
    
    /* Cards in grid */
    .card {
        padding: 16px;
        margin-bottom: 16px;
    }
    
    /* Modal adjustments */
    .modal-box {
        padding: 24px 20px;
        max-width: 100%;
    }
    
    .modal-title {
        font-size: 1.1rem;
    }
    
    /* Table mobile improvements */
    .table th,
    .table td {
        padding: 10px 8px;
        font-size: 0.8rem;
    }
    
    .table th {
        font-size: 0.7rem;
    }
}

@media (max-width: 640px) {
    .app-container,
    .app-narrow {
        padding: 0 10px;
    }
    
    .stats-row {
        grid-template-columns: 1fr;
        gap: 10px;
    }
    
    .proof-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
    }
    
    .card {
        padding: 12px;
    }
    
    .btn {
        padding: 10px 16px;
        font-size: 0.85rem;
    }
    
    .btn-sm {
        padding: 6px 12px;
        font-size: 0.75rem;
    }
    
    /* Stack action buttons completely */
    .flex.gap-1.flex-wrap .btn-sm {
        flex: 1 1 100%;
        min-width: 100%;
    }
    
    /* Adjust sidebar for small screens */
    .admin-sidebar {
        width: 260px;
    }
    
    /* Form inputs smaller */
    .form-input,
    .form-select {
        padding: 10px 14px;
        font-size: 0.9rem;
    }
    
    /* Table extra compact */
    .table th,
    .table td {
        padding: 8px 6px;
        font-size: 0.75rem;
    }
    
    .badge {
        font-size: 0.7rem;
        padding: 3px 8px;
    }
}

@media (max-width: 480px) {
    .proof-grid {
        grid-template-columns: 1fr;
        gap: 8px;
    }
    
    .admin-topbar .topbar-search {
        width: 120px;
        font-size: 0.75rem;
    }
    
    .section-title {
        font-size: 1.2rem;
    }
    
    .section-subtitle {
        font-size: 0.85rem;
    }
    
    h2 {
        font-size: 1rem;
    }
    
    h3 {
        font-size: 0.9rem;
    }
}