/* QRLinks - Main Stylesheet */
:root {
    --primary: #4A6CF7;
    --primary-dark: #3451D4;
    --primary-light: #667eea;
    --secondary: #7C3AED;
    --secondary-light: #8B5CF6;
    --accent: #06B6D4;
    --success: #10B981;
    --warning: #F59E0B;
    --danger: #EF4444;
    --dark: #0F172A;
    --dark-2: #1E293B;
    --dark-3: #334155;
    --gray-500: #64748B;
    --gray-400: #94A3B8;
    --gray-300: #CBD5E1;
    --gray-200: #E2E8F0;
    --gray-100: #F1F5F9;
    --white: #FFFFFF;
    --sidebar-width: 260px;
    --topbar-height: 64px;
    --border-radius: 12px;
    --border-radius-sm: 8px;
    --border-radius-lg: 16px;
    --shadow-sm: 0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.06);
    --shadow: 0 4px 6px -1px rgba(0,0,0,.1), 0 2px 4px -1px rgba(0,0,0,.06);
    --shadow-md: 0 10px 15px -3px rgba(0,0,0,.1), 0 4px 6px -2px rgba(0,0,0,.05);
    --shadow-lg: 0 20px 25px -5px rgba(0,0,0,.1), 0 10px 10px -5px rgba(0,0,0,.04);
    --gradient: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    --gradient-light: linear-gradient(135deg, #EEF2FF 0%, #F5F3FF 100%);
    --transition: all .2s ease;
}

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

html { scroll-behavior: smooth; }

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    font-size: 15px;
    line-height: 1.6;
    color: var(--dark);
    background: var(--gray-100);
    min-height: 100vh;
}

/* =====================
   TYPOGRAPHY
   ===================== */
h1, h2, h3, h4, h5, h6 { font-weight: 700; line-height: 1.3; color: var(--dark); }
h1 { font-size: 2.25rem; }
h2 { font-size: 1.75rem; }
h3 { font-size: 1.35rem; }
h4 { font-size: 1.125rem; }
p { color: var(--gray-500); }
a { color: var(--primary); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--primary-dark); }

/* =====================
   LAYOUT
   ===================== */
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* =====================
   SIDEBAR
   ===================== */
.sidebar {
    position: fixed;
    top: 0; left: 0;
    width: var(--sidebar-width);
    height: 100vh;
    background: var(--white);
    border-right: 1px solid var(--gray-200);
    display: flex;
    flex-direction: column;
    z-index: 1000;
    transition: transform .3s ease;
    overflow-y: auto;
}
.sidebar-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 20px 16px;
    border-bottom: 1px solid var(--gray-100);
}
.sidebar-logo img.logo-full { height: 40px; }
.sidebar-close { display: none; background: none; border: none; cursor: pointer; color: var(--gray-500); }
.sidebar-nav { flex: 1; padding: 16px 12px; display: flex; flex-direction: column; gap: 4px; }
.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 14px;
    border-radius: var(--border-radius-sm);
    color: var(--gray-500);
    font-weight: 500;
    font-size: 14px;
    transition: var(--transition);
    text-decoration: none;
    position: relative;
}
.nav-item:hover, .nav-item.active {
    background: var(--gradient-light);
    color: var(--primary);
}
.nav-item.active { font-weight: 600; }
.nav-item .material-icons-round { font-size: 20px; }
.nav-divider { height: 1px; background: var(--gray-100); margin: 8px 0; }
.nav-upgrade {
    background: var(--gradient);
    color: var(--white) !important;
    margin-bottom: 4px;
}
.nav-upgrade:hover { opacity: .9; }
.badge-new {
    font-size: 10px;
    background: rgba(255,255,255,.25);
    color: var(--white);
    padding: 2px 6px;
    border-radius: 20px;
    margin-left: auto;
    white-space: nowrap;
}
.nav-logout { color: var(--danger) !important; }
.nav-logout:hover { background: #FEF2F2; }
.sidebar-footer {
    padding: 16px 20px;
    border-top: 1px solid var(--gray-100);
}
.plan-badge {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    border-radius: var(--border-radius-sm);
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 12px;
}
.plan-badge .material-icons-round { font-size: 18px; }
.plan-pro { background: var(--gradient); color: var(--white); }
.plan-free { background: var(--gray-100); color: var(--gray-500); }
.user-info { display: flex; flex-direction: column; }
.user-info strong { font-size: 14px; color: var(--dark); font-weight: 600; }
.user-info small { font-size: 12px; color: var(--gray-400); }
.sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,.4);
    z-index: 999;
}

/* =====================
   TOPBAR
   ===================== */
.topbar {
    position: fixed;
    top: 0;
    left: var(--sidebar-width);
    right: 0;
    height: var(--topbar-height);
    background: var(--white);
    border-bottom: 1px solid var(--gray-200);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 24px;
    z-index: 900;
}
.topbar-menu { display: none; background: none; border: none; cursor: pointer; color: var(--dark); }
.topbar-menu .material-icons-round { font-size: 24px; }
.topbar-logo-mobile { display: none; }
.topbar-actions { display: flex; align-items: center; gap: 12px; }

.main-content {
    margin-left: var(--sidebar-width);
    margin-top: var(--topbar-height);
    padding: 32px;
    min-height: calc(100vh - var(--topbar-height));
}

/* =====================
   BUTTONS
   ===================== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    border-radius: var(--border-radius-sm);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: var(--transition);
    text-decoration: none;
    white-space: nowrap;
    font-family: inherit;
}
.btn-primary {
    background: var(--gradient);
    color: var(--white);
    box-shadow: 0 4px 14px rgba(74,108,247,.35);
}
.btn-primary:hover { opacity: .9; transform: translateY(-1px); box-shadow: 0 6px 20px rgba(74,108,247,.4); color: var(--white); }
.btn-outline { background: transparent; border: 2px solid var(--primary); color: var(--primary); }
.btn-outline:hover { background: var(--primary); color: var(--white); }
.btn-secondary { background: var(--gray-100); color: var(--dark); }
.btn-secondary:hover { background: var(--gray-200); }
.btn-danger { background: var(--danger); color: var(--white); }
.btn-danger:hover { background: #DC2626; }
.btn-success { background: var(--success); color: var(--white); }
.btn-sm { padding: 7px 14px; font-size: 13px; }
.btn-lg { padding: 14px 28px; font-size: 16px; }
.btn-block { width: 100%; justify-content: center; }
.btn .material-icons-round { font-size: 18px; }
.btn-sm .material-icons-round { font-size: 16px; }

/* =====================
   CARDS
   ===================== */
.card {
    background: var(--white);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--gray-100);
    overflow: hidden;
}
.card-header {
    padding: 20px 24px;
    border-bottom: 1px solid var(--gray-100);
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.card-header h3 { margin: 0; font-size: 1rem; }
.card-body { padding: 24px; }
.card-footer {
    padding: 16px 24px;
    border-top: 1px solid var(--gray-100);
    background: var(--gray-100);
}

/* =====================
   FORMS
   ===================== */
.form-group { margin-bottom: 20px; }
.form-label { display: block; font-size: 14px; font-weight: 600; color: var(--dark); margin-bottom: 6px; }
.form-control {
    width: 100%;
    padding: 10px 14px;
    border: 2px solid var(--gray-200);
    border-radius: var(--border-radius-sm);
    font-size: 14px;
    font-family: inherit;
    color: var(--dark);
    background: var(--white);
    transition: var(--transition);
    outline: none;
}
.form-control:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(74,108,247,.15); }
.form-control::placeholder { color: var(--gray-400); }
textarea.form-control { resize: vertical; min-height: 100px; }
select.form-control { cursor: pointer; }
.form-hint { font-size: 12px; color: var(--gray-400); margin-top: 4px; }
.form-error { font-size: 12px; color: var(--danger); margin-top: 4px; }
.input-group { display: flex; gap: 0; }
.input-group .form-control { border-radius: var(--border-radius-sm) 0 0 var(--border-radius-sm); flex: 1; }
.input-group .btn { border-radius: 0 var(--border-radius-sm) var(--border-radius-sm) 0; }
.input-icon { position: relative; }
.input-icon .material-icons-round {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--gray-400);
    font-size: 18px;
}
.input-icon .form-control { padding-left: 40px; }

/* =====================
   STATS CARDS
   ===================== */
.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 20px; margin-bottom: 32px; }
.stat-card {
    background: var(--white);
    border-radius: var(--border-radius);
    padding: 24px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--gray-100);
    display: flex;
    align-items: center;
    gap: 16px;
}
.stat-icon {
    width: 52px; height: 52px;
    border-radius: var(--border-radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}
.stat-icon .material-icons-round { font-size: 26px; }
.stat-icon.blue { background: #EEF2FF; color: var(--primary); }
.stat-icon.purple { background: #F5F3FF; color: var(--secondary); }
.stat-icon.green { background: #ECFDF5; color: var(--success); }
.stat-icon.orange { background: #FFFBEB; color: var(--warning); }
.stat-info strong { display: block; font-size: 1.75rem; font-weight: 800; color: var(--dark); line-height: 1; }
.stat-info span { font-size: 13px; color: var(--gray-400); font-weight: 500; }

/* =====================
   QR CODE GRID
   ===================== */
.qr-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 20px; }
.qr-card {
    background: var(--white);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--gray-100);
    overflow: hidden;
    transition: var(--transition);
}
.qr-card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
.qr-card-header { padding: 16px; display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid var(--gray-100); }
.qr-type-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: var(--gradient-light);
    color: var(--primary);
    padding: 5px 10px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
}
.qr-type-badge .material-icons-round { font-size: 14px; }
.qr-card-body { padding: 16px; text-align: center; }
.qr-preview { width: 150px; height: 150px; margin: 0 auto 12px; }
.qr-preview img { width: 100%; height: 100%; object-fit: contain; border-radius: 8px; }
.qr-card-title { font-size: 15px; font-weight: 600; color: var(--dark); margin-bottom: 4px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.qr-card-text { font-size: 13px; color: var(--gray-400); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.qr-card-footer { padding: 12px 16px; border-top: 1px solid var(--gray-100); display: flex; align-items: center; justify-content: space-between; }
.qr-scans { font-size: 12px; color: var(--gray-400); display: flex; align-items: center; gap: 4px; }
.qr-scans .material-icons-round { font-size: 14px; }
.qr-actions { display: flex; gap: 6px; }

/* =====================
   PAGE HEADER
   ===================== */
.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 28px;
}
.page-header h1 { font-size: 1.5rem; }
.page-header .breadcrumb { font-size: 13px; color: var(--gray-400); margin-top: 2px; }
.page-header .breadcrumb a { color: var(--gray-400); }
.page-header .breadcrumb a:hover { color: var(--primary); }

/* =====================
   TABS
   ===================== */
.tabs { display: flex; gap: 4px; background: var(--gray-100); padding: 4px; border-radius: var(--border-radius-sm); margin-bottom: 24px; overflow-x: auto; }
.tab-btn {
    flex: 1;
    padding: 9px 16px;
    border: none;
    background: none;
    border-radius: 6px;
    font-size: 13px;
    font-weight: 600;
    color: var(--gray-500);
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
    display: flex;
    align-items: center;
    gap: 6px;
    justify-content: center;
    font-family: inherit;
}
.tab-btn:hover { color: var(--primary); }
.tab-btn.active { background: var(--white); color: var(--primary); box-shadow: var(--shadow-sm); }
.tab-btn .material-icons-round { font-size: 16px; }
.tab-content { display: none; }
.tab-content.active { display: block; }

/* =====================
   QR COLOR PICKER
   ===================== */
.color-options { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 8px; }
.color-option {
    width: 32px; height: 32px;
    border-radius: 50%;
    cursor: pointer;
    border: 3px solid transparent;
    transition: var(--transition);
}
.color-option:hover, .color-option.selected { border-color: var(--gray-400); transform: scale(1.15); }

/* =====================
   QR PREVIEW BOX
   ===================== */
.qr-preview-box {
    background: var(--gray-100);
    border-radius: var(--border-radius);
    padding: 24px;
    text-align: center;
    position: sticky;
    top: calc(var(--topbar-height) + 16px);
}
.qr-preview-box img { max-width: 220px; width: 100%; border-radius: var(--border-radius-sm); background: white; padding: 8px; }
.qr-preview-box h4 { margin: 16px 0 4px; font-size: 15px; }
.qr-preview-box p { font-size: 13px; }

/* =====================
   FLASH MESSAGES
   ===================== */
.flash {
    position: fixed;
    top: 80px;
    right: 20px;
    z-index: 9999;
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 14px 20px;
    border-radius: var(--border-radius-sm);
    box-shadow: var(--shadow-md);
    font-size: 14px;
    font-weight: 500;
    max-width: 400px;
    animation: slideIn .3s ease;
}
.flash-success { background: #ECFDF5; color: #065F46; border: 1px solid #A7F3D0; }
.flash-error { background: #FEF2F2; color: #991B1B; border: 1px solid #FCA5A5; }
.flash-close { background: none; border: none; cursor: pointer; color: inherit; margin-left: auto; display: flex; }
@keyframes slideIn { from { transform: translateX(100%); opacity: 0; } to { transform: translateX(0); opacity: 1; } }

/* =====================
   TABLES
   ===================== */
.table-responsive { overflow-x: auto; }
.table { width: 100%; border-collapse: collapse; font-size: 14px; }
.table th { padding: 12px 16px; text-align: left; font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: .05em; color: var(--gray-400); border-bottom: 2px solid var(--gray-100); }
.table td { padding: 14px 16px; border-bottom: 1px solid var(--gray-100); color: var(--dark); }
.table tr:hover td { background: var(--gray-100); }
.table tr:last-child td { border-bottom: none; }

/* =====================
   BADGES
   ===================== */
.badge { display: inline-flex; align-items: center; gap: 4px; padding: 3px 10px; border-radius: 20px; font-size: 12px; font-weight: 600; }
.badge-primary { background: #EEF2FF; color: var(--primary); }
.badge-success { background: #ECFDF5; color: var(--success); }
.badge-warning { background: #FFFBEB; color: #92400E; }
.badge-danger { background: #FEF2F2; color: var(--danger); }
.badge-gray { background: var(--gray-100); color: var(--gray-500); }

/* =====================
   PUBLIC / LANDING PAGE
   ===================== */
.public-header {
    background: var(--white);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 100;
}
.header-inner { display: flex; align-items: center; justify-content: space-between; padding: 16px 0; }
.header-nav { display: flex; align-items: center; gap: 16px; }
.header-nav a { font-size: 14px; font-weight: 500; color: var(--gray-500); }
.header-nav a:hover { color: var(--primary); }

.hero {
    background: linear-gradient(135deg, #0F172A 0%, #1E293B 50%, #2D1B69 100%);
    color: var(--white);
    padding: 100px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}
.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%234A6CF7' fill-opacity='0.08'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}
.hero-content { position: relative; z-index: 1; }
.hero h1 { font-size: 3rem; color: var(--white); margin-bottom: 20px; }
.hero h1 span { background: var(--gradient); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.hero p { font-size: 1.15rem; color: rgba(255,255,255,.7); max-width: 560px; margin: 0 auto 36px; }
.hero-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255,255,255,.1);
    border: 1px solid rgba(255,255,255,.2);
    color: rgba(255,255,255,.8);
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 500;
    margin-bottom: 24px;
}
.features-section { padding: 80px 0; background: var(--white); }
.features-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 32px; margin-top: 48px; }
.feature-card { text-align: center; padding: 32px 24px; }
.feature-icon {
    width: 64px; height: 64px;
    background: var(--gradient-light);
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}
.feature-icon .material-icons-round { font-size: 30px; color: var(--primary); }
.feature-card h3 { font-size: 1.1rem; margin-bottom: 10px; }
.pricing-section { padding: 80px 0; background: var(--gray-100); }
.pricing-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 24px; margin-top: 48px; max-width: 800px; margin-left: auto; margin-right: auto; }
.pricing-card {
    background: var(--white);
    border-radius: var(--border-radius-lg);
    padding: 36px;
    border: 2px solid var(--gray-200);
    text-align: center;
    position: relative;
}
.pricing-card.featured { border-color: var(--primary); box-shadow: 0 0 0 4px rgba(74,108,247,.1); }
.pricing-badge {
    position: absolute;
    top: -14px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gradient);
    color: var(--white);
    padding: 4px 16px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 700;
    white-space: nowrap;
}
.pricing-card h3 { font-size: 1.35rem; margin-bottom: 12px; }
.pricing-price { font-size: 2.5rem; font-weight: 800; color: var(--dark); margin: 16px 0 4px; }
.pricing-price span { font-size: 1rem; font-weight: 400; color: var(--gray-400); }
.pricing-features { list-style: none; margin: 24px 0; text-align: left; }
.pricing-features li { display: flex; align-items: center; gap: 10px; padding: 8px 0; font-size: 14px; color: var(--gray-500); border-bottom: 1px solid var(--gray-100); }
.pricing-features li .material-icons-round { font-size: 18px; color: var(--success); }
.pricing-features li.disabled { color: var(--gray-300); }
.pricing-features li.disabled .material-icons-round { color: var(--gray-300); }
.section-header { text-align: center; }
.section-header h2 { font-size: 2rem; margin-bottom: 12px; }
.section-header p { max-width: 520px; margin: 0 auto; }

/* Public Footer */
.public-footer { background: var(--dark); color: rgba(255,255,255,.6); padding: 60px 0 24px; }
.footer-inner { display: grid; grid-template-columns: 1fr auto; gap: 48px; padding-bottom: 40px; }
.footer-logo img { filter: brightness(10); margin-bottom: 12px; }
.footer-logo p { font-size: 13px; }
.footer-links { display: flex; gap: 48px; }
.footer-links div { display: flex; flex-direction: column; gap: 8px; }
.footer-links strong { color: var(--white); font-size: 14px; margin-bottom: 4px; }
.footer-links a { font-size: 13px; color: rgba(255,255,255,.5); }
.footer-links a:hover { color: var(--white); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.1); padding-top: 20px; text-align: center; font-size: 13px; }

/* =====================
   AUTH PAGES
   ===================== */
.auth-page { min-height: 100vh; display: flex; align-items: center; justify-content: center; background: var(--gradient-light); padding: 40px 20px; }
.auth-card { background: var(--white); border-radius: var(--border-radius-lg); box-shadow: var(--shadow-lg); padding: 48px 40px; width: 100%; max-width: 440px; }
.auth-logo { text-align: center; margin-bottom: 32px; }
.auth-logo img { height: 52px; }
.auth-card h1 { font-size: 1.6rem; text-align: center; margin-bottom: 8px; }
.auth-card .subtitle { text-align: center; margin-bottom: 32px; font-size: 14px; }
.auth-footer { text-align: center; margin-top: 24px; font-size: 14px; color: var(--gray-400); }
.auth-footer a { color: var(--primary); font-weight: 600; }
.divider { display: flex; align-items: center; gap: 12px; margin: 20px 0; color: var(--gray-300); font-size: 13px; }
.divider::before, .divider::after { content: ''; flex: 1; height: 1px; background: var(--gray-200); }

/* =====================
   MODALS
   ===================== */
.modal-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,.5);
    z-index: 2000;
    align-items: center;
    justify-content: center;
    padding: 20px;
}
.modal-overlay.open { display: flex; }
.modal {
    background: var(--white);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
    width: 100%;
    max-width: 520px;
    max-height: 90vh;
    overflow-y: auto;
    animation: modalIn .25s ease;
}
@keyframes modalIn { from { opacity: 0; transform: scale(.95) translateY(10px); } to { opacity: 1; transform: scale(1) translateY(0); } }
.modal-header { padding: 20px 24px; border-bottom: 1px solid var(--gray-100); display: flex; align-items: center; justify-content: space-between; }
.modal-header h3 { font-size: 1.05rem; }
.modal-close { background: none; border: none; cursor: pointer; color: var(--gray-400); display: flex; }
.modal-body { padding: 24px; }
.modal-footer { padding: 16px 24px; border-top: 1px solid var(--gray-100); display: flex; gap: 12px; justify-content: flex-end; }

/* =====================
   EMPTY STATE
   ===================== */
.empty-state { text-align: center; padding: 60px 20px; }
.empty-icon { font-size: 56px; color: var(--gray-300); margin-bottom: 16px; display: block; }
.empty-state h3 { font-size: 1.2rem; margin-bottom: 8px; }
.empty-state p { margin-bottom: 24px; }

/* =====================
   GRID LAYOUTS
   ===================== */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 24px; }
.layout-qr { display: grid; grid-template-columns: 1fr 320px; gap: 24px; align-items: start; }

/* =====================
   CARDAPIO PREVIEW
   ===================== */
.menu-preview { background: var(--white); border-radius: var(--border-radius); overflow: hidden; box-shadow: var(--shadow-md); max-width: 400px; margin: 0 auto; }
.menu-header { padding: 24px; background: var(--gradient); color: var(--white); text-align: center; }
.menu-header h2 { color: var(--white); margin-bottom: 4px; }
.menu-item { display: flex; align-items: center; gap: 16px; padding: 16px; border-bottom: 1px solid var(--gray-100); }
.menu-item img { width: 64px; height: 64px; object-fit: cover; border-radius: 8px; }
.menu-item-info { flex: 1; }
.menu-item-info h4 { font-size: 14px; margin-bottom: 4px; }
.menu-item-info p { font-size: 12px; margin-bottom: 4px; }
.menu-item-price { font-weight: 700; color: var(--primary); font-size: 15px; }

/* =====================
   UPLOAD ZONE
   ===================== */
.upload-zone {
    border: 2px dashed var(--gray-300);
    border-radius: var(--border-radius);
    padding: 32px;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
}
.upload-zone:hover { border-color: var(--primary); background: var(--gradient-light); }
.upload-zone .material-icons-round { font-size: 40px; color: var(--gray-400); margin-bottom: 8px; }
.upload-zone p { font-size: 14px; color: var(--gray-400); margin: 0; }
.upload-zone strong { color: var(--primary); }

/* =====================
   PROGRESS BAR
   ===================== */
.progress-bar { background: var(--gray-200); border-radius: 99px; height: 8px; overflow: hidden; }
.progress-fill { height: 100%; border-radius: 99px; background: var(--gradient); transition: width .4s ease; }
.plan-usage { margin-bottom: 24px; }
.plan-usage .usage-label { display: flex; justify-content: space-between; font-size: 13px; color: var(--gray-500); margin-bottom: 6px; }

/* =====================
   COPY BUTTON
   ===================== */
.copy-url-box { display: flex; gap: 0; margin-top: 12px; }
.copy-url-box input { flex: 1; border-radius: var(--border-radius-sm) 0 0 var(--border-radius-sm); border: 2px solid var(--gray-200); padding: 10px 14px; font-size: 13px; color: var(--gray-500); background: var(--gray-100); font-family: monospace; }
.copy-url-box .btn { border-radius: 0 var(--border-radius-sm) var(--border-radius-sm) 0; }

/* =====================
   RESPONSIVE
   ===================== */
@media (max-width: 900px) {
    .sidebar { transform: translateX(-100%); }
    .sidebar.open { transform: translateX(0); }
    .sidebar-close { display: flex; }
    .sidebar-overlay.open { display: block; }
    .topbar { left: 0; }
    .topbar-menu { display: flex; }
    .topbar-logo-mobile { display: block; }
    .main-content { margin-left: 0; padding: 20px 16px; }
    .layout-qr { grid-template-columns: 1fr; }
    .grid-2, .grid-3 { grid-template-columns: 1fr; }
    .stats-grid { grid-template-columns: 1fr 1fr; }
    .footer-inner { grid-template-columns: 1fr; }
    .footer-links { flex-wrap: wrap; }
    .hero h1 { font-size: 2rem; }
    .auth-card { padding: 32px 24px; }
}
@media (max-width: 480px) {
    .stats-grid { grid-template-columns: 1fr; }
    .qr-grid { grid-template-columns: 1fr; }
    .page-header { flex-direction: column; align-items: flex-start; gap: 12px; }
    .hero h1 { font-size: 1.75rem; }
    .hero-actions { flex-direction: column; align-items: center; }
}

/* =====================
   UTILITIES
   ===================== */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-muted { color: var(--gray-400); }
.text-primary { color: var(--primary); }
.text-success { color: var(--success); }
.text-danger { color: var(--danger); }
.font-bold { font-weight: 700; }
.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; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.d-flex { display: flex; }
.align-center { align-items: center; }
.gap-8 { gap: 8px; }
.gap-12 { gap: 12px; }
.gap-16 { gap: 16px; }
.flex-1 { flex: 1; }
.w-100 { width: 100%; }
.hidden { display: none !important; }

/* Stripe */
#stripe-card-element {
    padding: 12px 14px;
    border: 2px solid var(--gray-200);
    border-radius: var(--border-radius-sm);
    background: var(--white);
    transition: var(--transition);
}
#stripe-card-element.StripeElement--focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(74,108,247,.15); }