/* ============================================================
   EDUASSESS AI - Luxury Light 2026 Theme
   Archana Info Solutions Pvt Ltd
   ============================================================ */

/* ---------- CSS Variables ---------- */
:root{
    --bg-primary: var(--th-bg);
    --bg-secondary: var(--th-surface-2);
    --bg-sidebar: var(--th-surface-2);
    --bg-sidebar-solid: var(--th-surface);
    --bg-topbar: var(--th-surface);

    --card-bg: var(--th-surface);
    --card-border: var(--th-primary);
    --card-shadow: 0 1px 3px rgba(20,21,32, 0.04), 0 4px 16px rgba(91, 78, 229, 0.04);
    --card-shadow-hover: 0 4px 12px rgba(20,21,32, 0.06), 0 8px 32px rgba(91, 78, 229, 0.08);

    --text-primary: var(--th-ink);
    --text-secondary: var(--th-ink-2);
    --text-muted: var(--th-muted);
    --text-light: var(--th-primary);

    --accent-1: var(--th-primary);
    --accent-2: var(--th-accent);
    --accent-gradient: var(--th-grad-2);
    --accent-light: var(--th-accent-soft);
    --accent-lighter: var(--th-primary);

    --success: var(--th-success);
    --success-bg: var(--th-success);
    --error: var(--th-error);
    --error-bg: var(--th-error);
    --warning: var(--th-warning);
    --warning-bg: var(--th-accent);
    --info: var(--th-info);
    --info-bg: var(--th-primary);

    --sidebar-width: 260px;
    --topbar-height: 64px;
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    --transition: all 0.2s ease;
    --transition-slow: all 0.35s ease;}

/* ---------- Reset & Base ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    font-size: 14px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}
h1, h2, h3, h4, h5, h6 { font-family: 'Poppins', sans-serif; font-weight: 600; line-height: 1.3; color: var(--text-primary); }
a { color: var(--accent-1); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--accent-2); }

/* ---------- Scrollbar ---------- */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(91,78,229,0.15); border-radius: 10px; }
::-webkit-scrollbar-thumb:hover { background: rgba(91,78,229,0.3); }

/* ---------- Sidebar ---------- */
.eai-sidebar {
    position: fixed; top: 0; left: 0; width: var(--sidebar-width); height: 100vh;
    background: var(--bg-sidebar);
    border-right: 1px solid rgba(91, 78, 229, 0.06);
    z-index: 1000;
    display: flex; flex-direction: column;
    transition: transform 0.3s ease;
    overflow-y: auto;
}
.eai-sidebar-brand {
    padding: 20px 24px;
    display: flex; align-items: center; gap: 14px;
    border-bottom: 1px solid rgba(91, 78, 229, 0.06);
    min-height: 64px;
}
.brand-icon {
    width: 42px; height: 42px; border-radius: var(--radius-md);
    background: var(--accent-gradient);
    display: flex; align-items: center; justify-content: center;
    color: #fff; font-size: 18px;
    box-shadow: 0 4px 12px rgba(91, 78, 229, 0.25);
}
.brand-text { font-family: 'Poppins', sans-serif; font-weight: 700; font-size: 16px; color: var(--text-primary); }
.brand-sub { font-size: 11px; color: var(--text-muted); font-weight: 400; letter-spacing: 0.5px; }

/* Nav */
.eai-nav { flex: 1; padding: 12px 14px; }
.eai-nav-section { margin-bottom: 8px; }
.eai-nav-section-title {
    font-size: 10px; font-weight: 700; text-transform: uppercase; letter-spacing: 1.2px;
    color: var(--text-muted); padding: 10px 12px 6px; opacity: 0.7;
}
.eai-nav-item {
    display: flex; align-items: center; gap: 12px;
    padding: 10px 14px; border-radius: var(--radius-sm);
    color: var(--text-secondary); font-size: 13px; font-weight: 500;
    transition: var(--transition); text-decoration: none;
    margin-bottom: 2px; position: relative;
}
.eai-nav-item:hover {
    background: var(--accent-light); color: var(--accent-1);
}
.eai-nav-item.active {
    background: var(--accent-gradient); color: #fff;
    box-shadow: 0 4px 12px rgba(91, 78, 229, 0.25);
}
.eai-nav-item.active i { color: #fff; }
.eai-nav-item i { width: 20px; text-align: center; font-size: 15px; color: var(--text-muted); transition: var(--transition); }
.eai-nav-item:hover i { color: var(--accent-1); }

/* Sidebar Overlay (mobile) */
.eai-sidebar-overlay {
    display: none; position: fixed; inset: 0; background: rgba(20,21,32, 0.3);
    backdrop-filter: blur(4px); z-index: 999; opacity: 0; transition: opacity 0.3s ease;
}
.eai-sidebar-overlay.active { display: block; opacity: 1; }

/* ---------- Topbar ---------- */
.eai-topbar {
    position: fixed; top: 0; left: var(--sidebar-width); right: 0;
    height: var(--topbar-height);
    background: var(--bg-topbar);
    backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(91, 78, 229, 0.06);
    display: flex; align-items: center; justify-content: space-between;
    padding: 0 28px; z-index: 900;
    transition: left 0.3s ease;
}
.eai-topbar-left { display: flex; align-items: center; gap: 16px; }
.eai-topbar-right { display: flex; align-items: center; gap: 12px; }
.eai-hamburger {
    display: none; width: 40px; height: 40px; border: none; background: none;
    font-size: 18px; color: var(--text-secondary); cursor: pointer;
    border-radius: var(--radius-sm); transition: var(--transition);
}
.eai-hamburger:hover { background: var(--accent-light); color: var(--accent-1); }
.eai-breadcrumb { display: flex; align-items: center; gap: 8px; font-size: 13px; }
.eai-breadcrumb a { color: var(--text-muted); font-weight: 500; }
.eai-breadcrumb a:hover { color: var(--accent-1); }
.eai-breadcrumb span { color: var(--text-light); }
.eai-breadcrumb .current { color: var(--text-primary); font-weight: 600; }
.eai-topbar-btn {
    width: 40px; height: 40px; border: none; background: none;
    display: flex; align-items: center; justify-content: center;
    border-radius: var(--radius-sm); color: var(--text-secondary);
    font-size: 16px; cursor: pointer; transition: var(--transition);
    position: relative; text-decoration: none;
}
.eai-topbar-btn:hover { background: var(--accent-light); color: var(--accent-1); }
.notif-dot {
    width: 8px; height: 8px; background: var(--error); border-radius: 50%;
    position: absolute; top: 8px; right: 8px; border: 2px solid #fff;
}
.eai-avatar {
    width: 36px; height: 36px; border-radius: 50%;
    background: var(--accent-gradient); color: #fff;
    display: flex; align-items: center; justify-content: center;
    font-size: 14px; font-weight: 700;
    box-shadow: 0 2px 8px rgba(91, 78, 229, 0.2);
}

/* ---------- Main Content ---------- */
.eai-main {
    margin-left: var(--sidebar-width); margin-top: var(--topbar-height);
    min-height: calc(100vh - var(--topbar-height));
    padding: 28px;
    transition: margin-left 0.3s ease;
}
.eai-content { max-width: 1400px; margin: 0 auto; }

/* ---------- Page Header ---------- */
.eai-page-header {
    display: flex; align-items: center; justify-content: space-between;
    margin-bottom: 24px; flex-wrap: wrap; gap: 16px;
}
.eai-page-title { font-size: 24px; font-weight: 700; color: var(--text-primary); }
.eai-page-subtitle { font-size: 13px; color: var(--text-muted); margin-top: 4px; }

/* ---------- Glass Cards ---------- */
.eai-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--card-shadow);
    padding: 24px;
    transition: var(--transition);
}
.eai-card:hover { box-shadow: var(--card-shadow-hover); }
.eai-card-header {
    display: flex; align-items: center; justify-content: space-between;
    margin-bottom: 20px; padding-bottom: 16px;
    border-bottom: 1px solid rgba(91, 78, 229, 0.05);
}
.eai-card-title { font-size: 15px; font-weight: 700; color: var(--text-primary); display: flex; align-items: center; gap: 10px; }
.eai-card-title i { color: var(--accent-1); font-size: 16px; }

/* ---------- Stat Cards ---------- */
.eai-stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; margin-bottom: 24px; }
.eai-stat-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-lg);
    padding: 22px 24px;
    box-shadow: var(--card-shadow);
    transition: var(--transition);
    position: relative; overflow: hidden;
}
.eai-stat-card:hover { box-shadow: var(--card-shadow-hover); transform: translateY(-2px); }
.eai-stat-card::after {
    content: ''; position: absolute; top: 0; right: 0;
    width: 80px; height: 80px; border-radius: 0 0 0 80px;
    opacity: 0.05; background: var(--accent-gradient);
}
.eai-stat-icon {
    width: 44px; height: 44px; border-radius: var(--radius-md);
    display: flex; align-items: center; justify-content: center;
    font-size: 18px; margin-bottom: 14px;
}
.eai-stat-icon.purple { background: var(--accent-light); color: var(--accent-1); }
.eai-stat-icon.green { background: var(--success-bg); color: var(--success); }
.eai-stat-icon.blue { background: var(--info-bg); color: var(--info); }
.eai-stat-icon.orange { background: var(--warning-bg); color: var(--warning); }
.eai-stat-icon.red { background: var(--error-bg); color: var(--error); }
.eai-stat-value { font-family: 'Poppins', sans-serif; font-size: 26px; font-weight: 700; color: var(--text-primary); line-height: 1.2; }
.eai-stat-label { font-size: 12px; color: var(--text-muted); margin-top: 4px; font-weight: 500; }

/* ---------- Buttons ---------- */
.eai-btn {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 10px 20px; border: none; border-radius: var(--radius-sm);
    font-size: 13px; font-weight: 600; cursor: pointer;
    transition: var(--transition); text-decoration: none;
    font-family: 'Inter', sans-serif;
}
.eai-btn:hover { transform: translateY(-1px); }
.eai-btn-primary { background: var(--accent-gradient); color: #fff; box-shadow: 0 4px 12px rgba(91, 78, 229, 0.25); }
.eai-btn-primary:hover { box-shadow: 0 6px 20px rgba(91, 78, 229, 0.35); color: #fff; }
.eai-btn-secondary { background: var(--accent-light); color: var(--accent-1); }
.eai-btn-secondary:hover { background: rgba(91, 78, 229, 0.12); color: var(--accent-1); }
.eai-btn-success { background: var(--success); color: #fff; }
.eai-btn-success:hover { background: #0ea472; color: #fff; }
.eai-btn-danger { background: var(--error-bg); color: var(--error); }
.eai-btn-danger:hover { background: rgba(192,57,47, 0.15); }
.eai-btn-outline { background: transparent; border: 1px solid var(--card-border); color: var(--text-secondary); }
.eai-btn-outline:hover { border-color: var(--accent-1); color: var(--accent-1); }
.eai-btn-sm { padding: 7px 14px; font-size: 12px; }
.eai-btn-lg { padding: 13px 28px; font-size: 14px; }
.w-100 { width: 100%; }

/* ---------- Forms ---------- */
.eai-form-group { margin-bottom: 18px; }
.eai-form-label { display: block; font-size: 12px; font-weight: 600; color: var(--text-secondary); margin-bottom: 6px; letter-spacing: 0.3px; }
.eai-form-input, .eai-form-select, .eai-form-textarea {
    width: 100%; padding: 10px 14px;
    background: var(--bg-primary);
    border: 1px solid rgba(91, 78, 229, 0.1);
    border-radius: var(--radius-sm);
    font-size: 13px; font-family: 'Inter', sans-serif;
    color: var(--text-primary);
    transition: var(--transition);
    outline: none;
}
.eai-form-input:focus, .eai-form-select:focus, .eai-form-textarea:focus {
    border-color: var(--accent-1);
    box-shadow: 0 0 0 3px rgba(91, 78, 229, 0.1);
    background: #fff;
}
.eai-form-input::placeholder { color: var(--text-light); }
.eai-form-textarea { min-height: 100px; resize: vertical; }
.eai-form-select { cursor: pointer; }
.eai-form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.eai-form-row-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 16px; }

/* ---------- Tables ---------- */
.eai-table-wrap { overflow-x: auto; border-radius: var(--radius-md); }
.eai-table {
    width: 100%; border-collapse: collapse; font-size: 13px;
}
.eai-table th {
    text-align: left; padding: 12px 16px;
    font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.8px;
    color: var(--text-muted); background: var(--bg-secondary);
    border-bottom: 1px solid rgba(91, 78, 229, 0.06);
}
.eai-table td {
    padding: 12px 16px; border-bottom: 1px solid rgba(91, 78, 229, 0.04);
    color: var(--text-secondary); vertical-align: middle;
}
.eai-table tr:hover td { background: var(--accent-lighter); }
.eai-table tr:last-child td { border-bottom: none; }

/* ---------- Badges ---------- */
.eai-badge {
    display: inline-flex; align-items: center; gap: 4px;
    padding: 4px 10px; border-radius: 20px;
    font-size: 11px; font-weight: 600; letter-spacing: 0.3px;
}
.eai-badge-success { background: var(--success-bg); color: var(--success); }
.eai-badge-warning { background: var(--warning-bg); color: var(--warning); }
.eai-badge-error { background: var(--error-bg); color: var(--error); }
.eai-badge-info { background: var(--info-bg); color: var(--info); }
.eai-badge-purple { background: var(--accent-light); color: var(--accent-1); }
.eai-badge-neutral { background: var(--bg-secondary); color: var(--text-muted); }

/* ---------- Alerts ---------- */
.eai-alert {
    display: flex; align-items: center; gap: 10px;
    padding: 12px 16px; border-radius: var(--radius-sm);
    font-size: 13px; margin-bottom: 16px;
}
.eai-alert-success { background: var(--success-bg); color: var(--success); border: 1px solid rgba(14,143,99, 0.15); }
.eai-alert-error { background: var(--error-bg); color: var(--error); border: 1px solid rgba(192,57,47, 0.15); }
.eai-alert-warning { background: var(--warning-bg); color: var(--warning); border: 1px solid rgba(181,115,10, 0.15); }
.eai-alert-info { background: var(--info-bg); color: var(--info); border: 1px solid rgba(37,99,235, 0.15); }

/* ---------- Modal ---------- */
.eai-modal-overlay {
    display: none; position: fixed; inset: 0; background: rgba(20,21,32, 0.4);
    backdrop-filter: blur(6px); z-index: 2000;
    align-items: center; justify-content: center; padding: 20px;
}
.eai-modal-overlay.active { display: flex; }
.eai-modal {
    background: var(--card-bg); border-radius: var(--radius-xl);
    box-shadow: 0 20px 60px rgba(20,21,32, 0.15);
    width: 100%; max-width: 640px; max-height: 90vh;
    overflow-y: auto; animation: eaiSlideUp 0.3s ease;
}
.eai-modal-lg { max-width: 900px; }
.eai-modal-header {
    display: flex; align-items: center; justify-content: space-between;
    padding: 20px 24px; border-bottom: 1px solid rgba(91, 78, 229, 0.06);
}
.eai-modal-title { font-size: 17px; font-weight: 700; color: var(--text-primary); }
.eai-modal-close {
    width: 36px; height: 36px; border: none; background: var(--bg-secondary);
    border-radius: var(--radius-sm); cursor: pointer; display: flex;
    align-items: center; justify-content: center; color: var(--text-muted);
    font-size: 16px; transition: var(--transition);
}
.eai-modal-close:hover { background: var(--error-bg); color: var(--error); }
.eai-modal-body { padding: 24px; }
.eai-modal-footer {
    display: flex; align-items: center; justify-content: flex-end; gap: 10px;
    padding: 16px 24px; border-top: 1px solid rgba(91, 78, 229, 0.06);
}

/* ---------- Login Page ---------- */
.eai-login-page {
    min-height: 100vh; display: flex; align-items: center; justify-content: center;
    background: var(--bg-primary); position: relative; overflow: hidden; padding: 20px;
}
.eai-login-bg {
    position: absolute; border-radius: 50%; opacity: 0.4;
    animation: eaiFloat 12s ease-in-out infinite;
}
.eai-login-bg-1 {
    width: 500px; height: 500px; top: -150px; right: -100px;
    background: radial-gradient(circle, rgba(91, 78, 229, 0.08), transparent 70%);
}
.eai-login-bg-2 {
    width: 400px; height: 400px; bottom: -100px; left: -80px;
    background: radial-gradient(circle, rgba(201,168,76, 0.06), transparent 70%);
    animation-delay: -4s;
}
.eai-login-card {
    width: 100%; max-width: 420px;
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-xl);
    box-shadow: 0 8px 40px rgba(20,21,32, 0.06);
    padding: 40px 36px;
    position: relative; z-index: 1;
    animation: eaiSlideUp 0.5s ease;
}
.eai-login-logo { text-align: center; margin-bottom: 32px; }
.eai-login-logo .logo-icon {
    width: 60px; height: 60px; margin: 0 auto 16px;
    background: var(--accent-gradient); border-radius: var(--radius-lg);
    display: flex; align-items: center; justify-content: center;
    font-size: 26px; color: #fff;
    box-shadow: 0 8px 24px rgba(91, 78, 229, 0.3);
}
.eai-login-logo h1 { font-size: 22px; font-weight: 700; color: var(--text-primary); margin-bottom: 4px; }
.eai-login-logo p { font-size: 13px; color: var(--text-muted); }

/* ---------- Skeleton Loading ---------- */
.eai-skeleton {
    background: linear-gradient(90deg, var(--bg-secondary) 25%, rgba(91,78,229,0.04) 50%, var(--bg-secondary) 75%);
    background-size: 200% 100%;
    animation: eaiShimmer 1.5s ease-in-out infinite;
    border-radius: var(--radius-sm);
}
.eai-skeleton-text { height: 14px; margin-bottom: 8px; border-radius: 4px; }
.eai-skeleton-title { height: 24px; width: 60%; margin-bottom: 12px; }
.eai-skeleton-card { height: 120px; border-radius: var(--radius-md); }
.eai-skeleton-avatar { width: 40px; height: 40px; border-radius: 50%; }

/* ---------- Toast ---------- */
.eai-toast-container { position: fixed; bottom: 24px; right: 24px; z-index: 3000; display: flex; flex-direction: column; gap: 8px; }
.eai-toast {
    padding: 14px 20px; border-radius: var(--radius-md);
    background: var(--card-bg); border: 1px solid var(--card-border);
    box-shadow: 0 8px 32px rgba(20,21,32, 0.1);
    display: flex; align-items: center; gap: 10px;
    font-size: 13px; font-weight: 500; color: var(--text-primary);
    animation: eaiSlideIn 0.3s ease; min-width: 280px;
}
.eai-toast.success { border-left: 3px solid var(--success); }
.eai-toast.error { border-left: 3px solid var(--error); }
.eai-toast.warning { border-left: 3px solid var(--warning); }
.eai-toast.info { border-left: 3px solid var(--info); }
.eai-toast i { font-size: 16px; }
.eai-toast.success i { color: var(--success); }
.eai-toast.error i { color: var(--error); }
.eai-toast.warning i { color: var(--warning); }
.eai-toast.info i { color: var(--info); }

/* ---------- Empty State ---------- */
.eai-empty {
    text-align: center; padding: 48px 20px; color: var(--text-muted);
}
.eai-empty i { font-size: 40px; color: var(--accent-2); margin-bottom: 12px; display: block; opacity: 0.5; }
.eai-empty p { font-size: 14px; margin-bottom: 16px; }

/* ---------- Search ---------- */
.eai-search-box {
    display: flex; align-items: center; gap: 8px;
    background: var(--bg-primary); border: 1px solid rgba(91, 78, 229, 0.08);
    border-radius: var(--radius-sm); padding: 0 14px; height: 40px;
}
.eai-search-box i { color: var(--text-muted); font-size: 14px; }
.eai-search-box input {
    flex: 1; border: none; background: transparent; outline: none;
    font-size: 13px; color: var(--text-primary); font-family: 'Inter', sans-serif;
}
.eai-search-box input::placeholder { color: var(--text-light); }

/* ---------- Tabs ---------- */
.eai-tabs { display: flex; gap: 4px; border-bottom: 1px solid rgba(91, 78, 229, 0.06); margin-bottom: 20px; }
.eai-tab {
    padding: 10px 18px; font-size: 13px; font-weight: 600; color: var(--text-muted);
    cursor: pointer; border-bottom: 2px solid transparent; transition: var(--transition);
    background: none; border-top: none; border-left: none; border-right: none;
}
.eai-tab:hover { color: var(--accent-1); }
.eai-tab.active { color: var(--accent-1); border-bottom-color: var(--accent-1); }

/* ---------- Pagination ---------- */
.eai-pagination { display: flex; align-items: center; gap: 6px; margin-top: 20px; justify-content: center; }
.eai-page-btn {
    width: 36px; height: 36px; border: 1px solid var(--card-border);
    background: var(--card-bg); border-radius: var(--radius-sm);
    display: flex; align-items: center; justify-content: center;
    font-size: 13px; color: var(--text-secondary); cursor: pointer; transition: var(--transition);
}
.eai-page-btn:hover { border-color: var(--accent-1); color: var(--accent-1); }
.eai-page-btn.active { background: var(--accent-gradient); color: #fff; border-color: transparent; }

/* ---------- Progress Bar ---------- */
.eai-progress { height: 8px; background: var(--bg-secondary); border-radius: 4px; overflow: hidden; }
.eai-progress-bar { height: 100%; background: var(--accent-gradient); border-radius: 4px; transition: width 0.6s ease; }
.eai-progress-bar.success { background: var(--success); }
.eai-progress-bar.warning { background: var(--warning); }
.eai-progress-bar.danger { background: var(--error); }

/* ---------- Risk Indicators ---------- */
.eai-risk-low { color: var(--success); }
.eai-risk-medium { color: var(--warning); }
.eai-risk-high { color: var(--error); }
.eai-risk-critical { color: #dc2626; font-weight: 700; }

/* ---------- Animations ---------- */
@keyframes eaiSlideUp { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }
@keyframes eaiSlideIn { from { opacity: 0; transform: translateX(40px); } to { opacity: 1; transform: translateX(0); } }
@keyframes eaiFloat { 0%, 100% { transform: translate(0, 0); } 50% { transform: translate(15px, -15px); } }
@keyframes eaiShimmer { 0% { background-position: -200% 0; } 100% { background-position: 200% 0; } }
@keyframes eaiFadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes eaiPulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.5; } }

/* ---------- Utility ---------- */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-muted { color: var(--text-muted); }
.text-success { color: var(--success); }
.text-error { color: var(--error); }
.text-warning { color: var(--warning); }
.mt-0 { margin-top: 0; }
.mt-10 { margin-top: 10px; }
.mt-20 { margin-top: 20px; }
.mb-0 { margin-bottom: 0; }
.mb-10 { margin-bottom: 10px; }
.mb-20 { margin-bottom: 20px; }
.gap-10 { gap: 10px; }
.flex { display: flex; }
.flex-center { display: flex; align-items: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.hidden { display: none; }

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
    .eai-stats-grid { grid-template-columns: repeat(2, 1fr); }
    .eai-form-row { grid-template-columns: 1fr; }
    .eai-form-row-3 { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
    .eai-sidebar { transform: translateX(-100%); }
    .eai-sidebar.open { transform: translateX(0); }
    .eai-topbar { left: 0; }
    .eai-main { margin-left: 0; padding: 20px 16px; }
    .eai-hamburger { display: flex; }
    .eai-stats-grid { grid-template-columns: 1fr 1fr; gap: 12px; }
    .eai-modal { margin: 10px; max-height: 95vh; }
    .eai-modal-lg { max-width: 100%; }
    .eai-page-header { flex-direction: column; align-items: flex-start; }
    .eai-login-card { padding: 28px 20px; }
}
@media (max-width: 480px) {
    .eai-stats-grid { grid-template-columns: 1fr; }
    .eai-main { padding: 16px 12px; }
}