@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=Playfair+Display:wght@400;500;600;700&family=DM+Sans:wght@400;500;600;700&display=swap');

/* ========================================
   CSS CUSTOM PROPERTIES
   ======================================== */
:root {
    --primary: #6366F1;
    --primary-light: #818CF8;
    --primary-dark: #4F46E5;
    --primary-bg: #EEF2FF;
    --secondary: #8B5CF6;
    --accent: #EC4899;

    --success: #10B981;
    --success-bg: #D1FAE5;
    --warning: #F59E0B;
    --warning-bg: #FEF3C7;
    --danger: #EF4444;
    --danger-bg: #FEE2E2;
    --info: #3B82F6;
    --info-bg: #DBEAFE;

    --gray-50: #F9FAFB;
    --gray-100: #F3F4F6;
    --gray-200: #E5E7EB;
    --gray-300: #D1D5DB;
    --gray-400: #9CA3AF;
    --gray-500: #6B7280;
    --gray-600: #4B5563;
    --gray-700: #374151;
    --gray-800: #1F2937;
    --gray-900: #111827;

    --sidebar-width: 260px;
    --sidebar-collapsed: 72px;
    --header-height: 60px;
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 14px;
    --radius-xl: 20px;
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.07), 0 2px 4px -1px rgba(0,0,0,0.04);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.08), 0 4px 6px -2px rgba(0,0,0,0.04);
    --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.1), 0 10px 10px -5px rgba(0,0,0,0.04);
    --transition: 200ms cubic-bezier(0.4, 0, 0.2, 1);

    --font-sans: 'Inter', 'DM Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-serif: 'Playfair Display', Georgia, serif;
}

/* ========================================
   RESET & BASE
   ======================================== */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-sans);
    background: var(--gray-50);
    color: var(--gray-800);
    line-height: 1.5;
    min-height: 100vh;
    display: flex;
    overflow-x: hidden;
}

a { color: var(--primary); text-decoration: none; }
a:hover { color: var(--primary-dark); }
img { max-width: 100%; }
input, select, textarea, button { font-family: inherit; }

/* ========================================
   SIDEBAR
   ======================================== */
.sidebar {
    width: var(--sidebar-width);
    height: 100vh;
    position: fixed;
    left: 0;
    top: 0;
    background: white;
    border-right: 1px solid var(--gray-200);
    display: flex;
    flex-direction: column;
    z-index: 100;
    transition: transform var(--transition), width var(--transition);
}

.sidebar-header {
    padding: 20px 20px 16px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid var(--gray-100);
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.logo-text {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--gray-900);
    letter-spacing: -0.3px;
}

.sidebar-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--gray-500);
    cursor: pointer;
    padding: 4px;
    border-radius: var(--radius-sm);
    transition: color var(--transition);
}

.sidebar-toggle:hover { color: var(--gray-800); }

.sidebar-nav {
    flex: 1;
    padding: 12px 10px;
    display: flex;
    flex-direction: column;
    gap: 2px;
    overflow-y: auto;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 14px;
    border-radius: var(--radius-md);
    color: var(--gray-600);
    font-size: 0.9rem;
    font-weight: 500;
    transition: all var(--transition);
    text-decoration: none;
}

.nav-item:hover {
    background: var(--gray-100);
    color: var(--gray-900);
}

.nav-item.active {
    background: var(--primary-bg);
    color: var(--primary);
    font-weight: 600;
}

.nav-item svg {
    flex-shrink: 0;
    opacity: 0.7;
}

.nav-item.active svg { opacity: 1; }

.sidebar-footer {
    padding: 16px 14px;
    border-top: 1px solid var(--gray-100);
}

.user-profile {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 10px;
    border-radius: var(--radius-md);
    transition: background var(--transition);
}

.user-profile:hover { background: var(--gray-100); cursor: pointer; }

.avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    font-weight: 600;
    flex-shrink: 0;
}

.user-info {
    display: flex;
    flex-direction: column;
    min-width: 0;
}

.user-name {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--gray-800);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.user-role {
    font-size: 0.75rem;
    color: var(--gray-500);
}

/* Sidebar Overlay (mobile) */
.sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.4);
    z-index: 99;
    backdrop-filter: blur(2px);
}

.sidebar-overlay.visible { display: block; }

/* Mobile Header */
.mobile-header {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    background: white;
    border-bottom: 1px solid var(--gray-200);
    padding: 0 16px;
    align-items: center;
    gap: 12px;
    z-index: 98;
}

.mobile-menu-btn {
    background: none;
    border: none;
    color: var(--gray-700);
    cursor: pointer;
    padding: 6px;
    border-radius: var(--radius-sm);
}

/* ========================================
   MAIN CONTENT
   ======================================== */
.main-content {
    margin-left: var(--sidebar-width);
    flex: 1;
    min-height: 100vh;
    transition: margin-left var(--transition);
}

.page {
    display: none;
    padding: 32px 40px;
    max-width: 1400px;
    animation: fadeIn 0.3s ease;
}

.page.active { display: block; }

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}

.page-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    margin-bottom: 28px;
    gap: 16px;
    flex-wrap: wrap;
}

.page-title {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--gray-900);
    letter-spacing: -0.5px;
}

.page-subtitle {
    font-size: 0.9rem;
    color: var(--gray-500);
    margin-top: 4px;
}

.header-actions {
    display: flex;
    gap: 10px;
    align-items: center;
}

/* ========================================
   BUTTONS
   ======================================== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: all var(--transition);
    white-space: nowrap;
    line-height: 1.4;
}

.btn:active { transform: scale(0.98); }

.btn-primary {
    background: var(--primary);
    color: white;
    box-shadow: 0 1px 3px rgba(99,102,241,0.3);
}

.btn-primary:hover {
    background: var(--primary-dark);
    box-shadow: 0 4px 12px rgba(99,102,241,0.35);
}

.btn-outline {
    background: white;
    color: var(--gray-700);
    border: 1px solid var(--gray-300);
}

.btn-outline:hover {
    background: var(--gray-50);
    border-color: var(--gray-400);
}

.btn-ghost {
    background: transparent;
    color: var(--gray-600);
}

.btn-ghost:hover {
    background: var(--gray-100);
    color: var(--gray-800);
}

.btn-sm {
    padding: 6px 14px;
    font-size: 0.8rem;
    border-radius: var(--radius-sm);
}

.btn-block { width: 100%; justify-content: center; }

.btn-linkedin {
    background: #0A66C2;
    color: white;
}

.btn-linkedin:hover {
    background: #004182;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    pointer-events: none;
}

.text-danger { color: var(--danger) !important; }

/* ========================================
   CARDS
   ======================================== */
.card {
    background: white;
    border-radius: var(--radius-lg);
    border: 1px solid var(--gray-200);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 18px 24px;
    border-bottom: 1px solid var(--gray-100);
}

.card-header h3 {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--gray-800);
}

.card-link {
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--primary);
}

.card-body {
    padding: 24px;
}

.card-body.p-0 { padding: 0; }

/* ========================================
   STATS
   ======================================== */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-bottom: 28px;
}

.stat-card {
    background: white;
    border-radius: var(--radius-lg);
    padding: 22px 24px;
    border: 1px solid var(--gray-200);
    box-shadow: var(--shadow-sm);
    display: flex;
    align-items: center;
    gap: 16px;
    transition: all var(--transition);
}

.stat-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.stat-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.stat-icon-blue { background: var(--primary-bg); color: var(--primary); }
.stat-icon-green { background: var(--success-bg); color: var(--success); }
.stat-icon-purple { background: #F3E8FF; color: var(--secondary); }
.stat-icon-orange { background: var(--warning-bg); color: var(--warning); }

.stat-value {
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--gray-900);
    display: block;
    line-height: 1.2;
}

.stat-label {
    font-size: 0.8rem;
    color: var(--gray-500);
    font-weight: 500;
}

/* ========================================
   DASHBOARD GRID
   ======================================== */
.dashboard-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 20px;
}

.quick-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.quick-action-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    padding: 20px 12px;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-md);
    background: white;
    cursor: pointer;
    transition: all var(--transition);
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--gray-700);
}

.quick-action-btn:hover {
    border-color: var(--primary-light);
    background: var(--primary-bg);
    color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.qa-icon {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
}

.qa-icon-blue { background: var(--primary-bg); color: var(--primary); }
.qa-icon-green { background: var(--success-bg); color: var(--success); }
.qa-icon-purple { background: #F3E8FF; color: var(--secondary); }
.qa-icon-orange { background: var(--warning-bg); color: var(--warning); }

/* Empty state */
.empty-state {
    text-align: center;
    padding: 48px 24px;
    color: var(--gray-500);
}

.empty-state h3 {
    font-size: 1rem;
    color: var(--gray-700);
    margin: 16px 0 8px;
}

.empty-state p {
    font-size: 0.85rem;
    margin-bottom: 20px;
    max-width: 400px;
    margin-left: auto;
    margin-right: auto;
}

.empty-state .btn { margin-top: 8px; }

.empty-icon {
    color: var(--gray-400);
}

.empty-state-sm {
    text-align: center;
    padding: 24px;
    color: var(--gray-500);
    font-size: 0.85rem;
}

/* ========================================
   FORMS
   ======================================== */
.form-group {
    margin-bottom: 18px;
}

.form-label {
    display: block;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--gray-700);
    margin-bottom: 6px;
}

.form-input {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    color: var(--gray-800);
    background: white;
    transition: all var(--transition);
    outline: none;
}

.form-input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(99,102,241,0.12);
}

.form-input::placeholder { color: var(--gray-400); }

.form-textarea {
    resize: vertical;
    min-height: 80px;
    line-height: 1.6;
}

.form-select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1.5L6 6.5L11 1.5' stroke='%239CA3AF' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 36px;
}

.form-hint {
    display: block;
    font-size: 0.75rem;
    color: var(--gray-500);
    margin-top: 4px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.color-input-wrap {
    display: flex;
    align-items: center;
    gap: 10px;
}

.form-color {
    width: 40px;
    height: 40px;
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-sm);
    cursor: pointer;
    padding: 2px;
    background: white;
}

.form-color::-webkit-color-swatch-wrapper { padding: 0; }
.form-color::-webkit-color-swatch { border: none; border-radius: 3px; }

.color-value {
    font-size: 0.8rem;
    color: var(--gray-500);
    font-family: 'SF Mono', 'Fira Code', monospace;
}

/* Toggle Switch */
.toggle-switch {
    position: relative;
    display: inline-block;
    width: 44px;
    height: 24px;
    cursor: pointer;
}

.toggle-switch input { opacity: 0; width: 0; height: 0; }

.toggle-slider {
    position: absolute;
    inset: 0;
    background: var(--gray-300);
    border-radius: 24px;
    transition: all var(--transition);
}

.toggle-slider::before {
    content: '';
    position: absolute;
    width: 18px;
    height: 18px;
    left: 3px;
    top: 3px;
    background: white;
    border-radius: 50%;
    transition: all var(--transition);
    box-shadow: 0 1px 3px rgba(0,0,0,0.2);
}

.toggle-switch input:checked + .toggle-slider {
    background: var(--primary);
}

.toggle-switch input:checked + .toggle-slider::before {
    transform: translateX(20px);
}

.divider {
    border: none;
    border-top: 1px solid var(--gray-200);
    margin: 24px 0;
}

.subsection-title {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--gray-700);
    margin-bottom: 16px;
}

/* ========================================
   TEMPLATE GALLERY
   ======================================== */
.template-filters {
    display: flex;
    gap: 8px;
    margin-bottom: 24px;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 8px 18px;
    border: 1px solid var(--gray-300);
    border-radius: 100px;
    background: white;
    color: var(--gray-600);
    font-size: 0.8rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition);
}

.filter-btn:hover {
    border-color: var(--primary-light);
    color: var(--primary);
}

.filter-btn.active {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
}

.templates-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 24px;
}

.template-card {
    background: white;
    border-radius: var(--radius-lg);
    border: 2px solid var(--gray-200);
    overflow: hidden;
    cursor: pointer;
    transition: all var(--transition);
    position: relative;
}

.template-card:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.template-card.selected {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(99,102,241,0.15);
}

.template-card.selected::after {
    content: '';
    position: absolute;
    top: 12px;
    right: 12px;
    width: 28px;
    height: 28px;
    background: var(--primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background-image: url("data:image/svg+xml,%3Csvg width='14' height='14' viewBox='0 0 14 14' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M3 7L6 10L11 4' stroke='white' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: center;
    z-index: 2;
}

.template-thumb {
    height: 220px;
    overflow: hidden;
    position: relative;
    border-bottom: 1px solid var(--gray-100);
}

.template-thumb-inner {
    width: 100%;
    height: 100%;
    transform: scale(0.5);
    transform-origin: top left;
    pointer-events: none;
}

.template-info {
    padding: 16px 18px;
}

.template-name {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--gray-800);
    margin-bottom: 4px;
}

.template-category {
    font-size: 0.75rem;
    color: var(--gray-500);
    text-transform: capitalize;
}

.template-actions {
    padding: 0 18px 16px;
    display: flex;
    gap: 8px;
}

/* ========================================
   DESIGNER LAYOUT
   ======================================== */
.designer-layout {
    display: grid;
    grid-template-columns: 380px 1fr;
    gap: 28px;
    align-items: start;
}

.designer-sidebar {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.designer-section {
    background: white;
    border-radius: var(--radius-lg);
    border: 1px solid var(--gray-200);
    padding: 24px;
    box-shadow: var(--shadow-sm);
}

.section-title {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--gray-800);
    margin-bottom: 18px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.designer-preview {
    position: sticky;
    top: 24px;
}

.preview-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 14px;
}

.preview-label {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--gray-500);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.preview-actions {
    display: flex;
    gap: 8px;
}

.preview-container {
    background: var(--gray-200);
    border-radius: var(--radius-lg);
    padding: 32px;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 500px;
}

.certificate-preview {
    width: 100%;
    max-width: 750px;
    box-shadow: var(--shadow-xl);
    border-radius: 4px;
    overflow: hidden;
    transition: all 0.3s ease;
}

/* ========================================
   CERTIFICATE STYLES (for all templates)
   ======================================== */
.cert {
    width: 100%;
    aspect-ratio: 1.414 / 1;
    padding: 48px;
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    background: white;
    font-family: var(--font-sans);
}

.cert-border {
    position: absolute;
    inset: 12px;
    border: 2px solid;
    pointer-events: none;
}

.cert-corner {
    position: absolute;
    width: 60px;
    height: 60px;
    pointer-events: none;
}

.cert-corner-tl { top: 20px; left: 20px; border-top: 3px solid; border-left: 3px solid; }
.cert-corner-tr { top: 20px; right: 20px; border-top: 3px solid; border-right: 3px solid; }
.cert-corner-bl { bottom: 20px; left: 20px; border-bottom: 3px solid; border-left: 3px solid; }
.cert-corner-br { bottom: 20px; right: 20px; border-bottom: 3px solid; border-right: 3px solid; }

.cert-ornament {
    position: absolute;
    pointer-events: none;
    opacity: 0.08;
}

.cert-watermark {
    position: absolute;
    font-size: 180px;
    font-weight: 800;
    opacity: 0.03;
    pointer-events: none;
    z-index: 0;
}

.cert-logo {
    margin-bottom: 12px;
    z-index: 1;
    position: relative;
}

.cert-logo svg {
    width: 48px;
    height: 48px;
}

.cert-title {
    font-family: var(--font-serif);
    font-size: 32px;
    font-weight: 700;
    letter-spacing: 3px;
    margin-bottom: 6px;
    z-index: 1;
    text-transform: uppercase;
    position: relative;
}

.cert-subtitle {
    font-size: 12px;
    font-weight: 400;
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 20px;
    z-index: 1;
    opacity: 0.7;
    position: relative;
}

.cert-recipient {
    font-family: var(--font-serif);
    font-size: 38px;
    font-weight: 600;
    margin-bottom: 8px;
    z-index: 1;
    word-break: break-word;
    position: relative;
    line-height: 1.2;
}

.cert-course {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 8px;
    z-index: 1;
    letter-spacing: 0.5px;
    position: relative;
}

.cert-description {
    font-size: 11px;
    max-width: 480px;
    line-height: 1.8;
    margin-bottom: 20px;
    z-index: 1;
    opacity: 0.75;
    position: relative;
}

.cert-footer {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    width: 100%;
    max-width: 520px;
    margin-top: auto;
    padding-top: 14px;
    z-index: 1;
    position: relative;
}

.cert-footer-item {
    text-align: center;
    min-width: 140px;
}

.cert-signature-line {
    width: 120px;
    height: 0;
    border-top: 1px solid;
    margin: 0 auto 8px;
    opacity: 0.5;
}

.cert-signer-name {
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.3px;
}

.cert-signer-role {
    font-size: 9.5px;
    opacity: 0.6;
    margin-top: 2px;
}

.cert-date {
    font-size: 11px;
    font-weight: 500;
}

.cert-id {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 8.5px;
    opacity: 0.35;
    font-family: 'SF Mono', 'Fira Code', monospace;
    z-index: 1;
    letter-spacing: 0.5px;
}

.cert-qr {
    position: absolute;
    bottom: 24px;
    right: 24px;
    z-index: 1;
}

.cert-org {
    font-size: 10px;
    font-weight: 500;
    margin-bottom: 20px;
    z-index: 1;
    letter-spacing: 3px;
    text-transform: uppercase;
    opacity: 0.7;
}

/* Decorative elements for templates */
.cert-deco-top {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 8px;
    z-index: 1;
}

.cert-deco-circle {
    position: absolute;
    border-radius: 50%;
    opacity: 0.06;
    pointer-events: none;
}

.cert-ribbon {
    position: absolute;
    top: -6px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
}

/* Template-specific hover animations on preview */
.certificate-preview:hover .cert {
    box-shadow: 0 8px 40px rgba(0,0,0,0.12);
}

/* Elegant template enhancements */
.cert-elegant .cert-title {
    letter-spacing: 4px;
}

.cert-elegant .cert-recipient {
    font-style: italic;
}

/* Royal template enhancements */
.cert-royal .cert-footer .cert-signature-line {
    opacity: 0.4;
}

.cert-royal .cert-signer-name,
.cert-royal .cert-date {
    color: #e8d5a0;
}

.cert-royal .cert-signer-role,
.cert-royal .cert-org {
    color: #c4b080;
}

/* Tech template enhancements */
.cert-tech .cert-subtitle {
    font-family: var(--font-sans);
    font-weight: 500;
    letter-spacing: 3px;
}

.cert-tech .cert-signer-name,
.cert-tech .cert-date {
    color: #94a3b8;
}

.cert-tech .cert-signer-role,
.cert-tech .cert-org {
    color: #64748b;
}

/* Nature template enhancements */
.cert-nature .cert-title {
    letter-spacing: 3px;
}

.cert-nature .cert-subtitle {
    color: #4d7c0f;
}

/* Gradient template glassmorphism */
.cert-gradient .cert-recipient {
    font-size: 34px;
}

/* ========================================
   TABLE
   ======================================== */
.table-toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    flex-wrap: wrap;
    gap: 12px;
}

.search-box {
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--gray-100);
    padding: 8px 14px;
    border-radius: var(--radius-md);
    border: 1px solid transparent;
    transition: all var(--transition);
    min-width: 260px;
}

.search-box:focus-within {
    background: white;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(99,102,241,0.12);
}

.search-box svg { color: var(--gray-400); flex-shrink: 0; }

.search-input {
    border: none;
    background: transparent;
    outline: none;
    font-size: 0.85rem;
    color: var(--gray-800);
    width: 100%;
}

.table-actions {
    display: flex;
    align-items: center;
    gap: 10px;
}

.table-count {
    font-size: 0.8rem;
    color: var(--gray-500);
    font-weight: 500;
}

.table-wrapper {
    overflow-x: auto;
}

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

.data-table th {
    text-align: left;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--gray-500);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: 10px 14px;
    border-bottom: 1px solid var(--gray-200);
    white-space: nowrap;
}

.data-table td {
    padding: 12px 14px;
    font-size: 0.85rem;
    color: var(--gray-700);
    border-bottom: 1px solid var(--gray-100);
    vertical-align: middle;
}

.data-table tr:hover td {
    background: var(--gray-50);
}

.th-check { width: 40px; }

.data-table input[type="checkbox"] {
    width: 16px;
    height: 16px;
    accent-color: var(--primary);
    cursor: pointer;
}

/* Badges */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 3px 10px;
    border-radius: 100px;
    font-size: 0.7rem;
    font-weight: 600;
    white-space: nowrap;
}

.badge-success { background: var(--success-bg); color: var(--success); }
.badge-warning { background: var(--warning-bg); color: var(--warning); }
.badge-danger { background: var(--danger-bg); color: var(--danger); }
.badge-info { background: var(--info-bg); color: var(--info); }
.badge-gray { background: var(--gray-100); color: var(--gray-600); }

/* Action buttons in table */
.row-actions {
    display: flex;
    gap: 4px;
}

.row-action-btn {
    width: 32px;
    height: 32px;
    border: none;
    border-radius: var(--radius-sm);
    background: transparent;
    color: var(--gray-500);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition);
}

.row-action-btn:hover {
    background: var(--gray-100);
    color: var(--gray-800);
}

.row-action-btn.danger:hover {
    background: var(--danger-bg);
    color: var(--danger);
}

/* ========================================
   SEND PAGE LAYOUT
   ======================================== */
.send-layout {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 28px;
    align-items: start;
}

.send-config .card-body .form-group:last-of-type {
    margin-bottom: 24px;
}

/* ========================================
   EMAIL PREVIEW
   ======================================== */
.email-preview {
    background: var(--gray-100);
    min-height: 500px;
}

.email-preview-frame {
    background: white;
    max-width: 600px;
    margin: 24px auto;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    overflow: hidden;
}

.email-header-bar {
    background: var(--gray-50);
    padding: 16px 24px;
    border-bottom: 1px solid var(--gray-200);
}

.email-meta {
    font-size: 0.75rem;
    color: var(--gray-500);
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.email-meta strong { color: var(--gray-700); }

.email-body-content {
    padding: 32px 24px;
}

.email-brand {
    text-align: center;
    margin-bottom: 24px;
}

.email-brand-logo {
    width: 48px;
    height: 48px;
    margin: 0 auto 8px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
}

.email-brand-name {
    font-size: 1rem;
    font-weight: 700;
    color: var(--gray-900);
}

.email-greeting {
    font-size: 0.9rem;
    color: var(--gray-700);
    line-height: 1.7;
    white-space: pre-line;
    margin-bottom: 24px;
}

.email-cert-preview {
    background: var(--gray-50);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-md);
    padding: 16px;
    margin-bottom: 24px;
}

.email-cert-mini {
    width: 100%;
    aspect-ratio: 1.414 / 1;
    border-radius: var(--radius-sm);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    max-height: 200px;
}

.email-cert-mini .cert {
    transform-origin: top left;
}

.email-buttons {
    display: flex;
    flex-direction: column;
    gap: 10px;
    align-items: center;
}

.email-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 28px;
    border-radius: var(--radius-md);
    font-size: 0.85rem;
    font-weight: 600;
    text-align: center;
    width: 100%;
    max-width: 320px;
    justify-content: center;
}

.email-btn-linkedin {
    background: #0A66C2;
    color: white;
}

.email-btn-download {
    background: var(--primary);
    color: white;
}

.email-footer-content {
    text-align: center;
    padding: 16px 24px 24px;
    border-top: 1px solid var(--gray-100);
}

.email-footer-content p {
    font-size: 0.7rem;
    color: var(--gray-400);
    line-height: 1.6;
}

/* ========================================
   MODALS
   ======================================== */
.modal-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    backdrop-filter: blur(4px);
    z-index: 200;
    align-items: center;
    justify-content: center;
    padding: 24px;
    animation: fadeIn 0.2s ease;
}

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

.modal {
    background: white;
    border-radius: var(--radius-xl);
    max-width: 520px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-xl);
    animation: modalIn 0.3s ease;
}

@keyframes modalIn {
    from { opacity: 0; transform: scale(0.95) translateY(10px); }
    to { opacity: 1; transform: scale(1) translateY(0); }
}

.modal-sm { max-width: 400px; }
.modal-lg { max-width: 900px; }

.modal-cert {
    max-width: 85vw;
    max-height: 90vh;
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px;
    border-bottom: 1px solid var(--gray-100);
}

.modal-header h3 {
    font-size: 1rem;
    font-weight: 600;
}

.modal-header-actions {
    display: flex;
    align-items: center;
    gap: 8px;
}

.modal-close {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: none;
    background: var(--gray-100);
    border-radius: 50%;
    cursor: pointer;
    font-size: 1.2rem;
    color: var(--gray-500);
    transition: all var(--transition);
}

.modal-close:hover {
    background: var(--gray-200);
    color: var(--gray-800);
}

.modal-body {
    padding: 24px;
}

.modal-body.p-0 { padding: 0; }

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
    padding: 16px 24px;
    border-top: 1px solid var(--gray-100);
}

/* CSV Upload Area */
.csv-upload-area {
    border: 2px dashed var(--gray-300);
    border-radius: var(--radius-lg);
    padding: 40px 24px;
    text-align: center;
    transition: all var(--transition);
    color: var(--gray-500);
}

.csv-upload-area.dragover {
    border-color: var(--primary);
    background: var(--primary-bg);
    color: var(--primary);
}

.csv-upload-text {
    font-size: 0.9rem;
    margin: 12px 0;
}

.csv-upload-btn {
    cursor: pointer;
}

.csv-upload-hint {
    font-size: 0.75rem;
    color: var(--gray-400);
    margin-top: 12px;
}

.csv-preview {
    margin-top: 20px;
}

.csv-preview h4 {
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 10px;
}

.csv-preview-table {
    max-height: 200px;
    overflow-y: auto;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-sm);
}

.csv-preview-count {
    font-size: 0.8rem;
    color: var(--gray-500);
    margin-top: 8px;
}

/* ========================================
   SEND PROGRESS
   ======================================== */
.send-spinner {
    width: 48px;
    height: 48px;
    border: 4px solid var(--gray-200);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin: 0 auto 20px;
}

.send-progress-animation .send-success {
    width: 48px;
    height: 48px;
    margin: 0 auto 20px;
    background: var(--success);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: popIn 0.3s ease;
}

@keyframes popIn {
    from { transform: scale(0); }
    50% { transform: scale(1.1); }
    to { transform: scale(1); }
}

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

.send-progress-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--gray-800);
    margin-bottom: 8px;
}

.send-progress-text {
    font-size: 0.85rem;
    color: var(--gray-500);
    margin-bottom: 20px;
}

.progress-bar-container {
    height: 8px;
    background: var(--gray-200);
    border-radius: 100px;
    overflow: hidden;
    margin-bottom: 12px;
}

.progress-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    border-radius: 100px;
    transition: width 0.4s ease;
}

.send-progress-count {
    font-size: 0.8rem;
    color: var(--gray-500);
    font-weight: 500;
}

/* Certificate View Container */
.cert-view-container {
    padding: 32px;
    display: flex;
    justify-content: center;
    background: var(--gray-100);
}

.cert-view-container .certificate-preview {
    max-width: 800px;
}

/* ========================================
   VERIFY PAGE (Public Certificate View)
   ======================================== */
.verify-container {
    max-width: 900px;
    margin: 0 auto;
}

.verify-header {
    text-align: center;
    margin-bottom: 32px;
}

.verify-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 20px;
    border-radius: 100px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 16px;
}

.verify-badge-valid {
    background: var(--success-bg);
    color: var(--success);
}

.verify-cert-wrap {
    margin-bottom: 24px;
    box-shadow: var(--shadow-xl);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.verify-actions {
    display: flex;
    justify-content: center;
    gap: 12px;
    flex-wrap: wrap;
}

.verify-details {
    margin-top: 32px;
}

.verify-detail-row {
    display: flex;
    justify-content: space-between;
    padding: 12px 0;
    border-bottom: 1px solid var(--gray-200);
    font-size: 0.85rem;
}

.verify-detail-label {
    color: var(--gray-500);
    font-weight: 500;
}

.verify-detail-value {
    color: var(--gray-800);
    font-weight: 600;
}

/* ========================================
   TOAST NOTIFICATIONS
   ======================================== */
.toast-container {
    position: fixed;
    top: 24px;
    right: 24px;
    z-index: 300;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.toast {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 20px;
    background: white;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    border-left: 4px solid;
    font-size: 0.85rem;
    animation: slideInRight 0.3s ease;
    max-width: 400px;
}

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

.toast-success { border-color: var(--success); }
.toast-error { border-color: var(--danger); }
.toast-info { border-color: var(--info); }
.toast-warning { border-color: var(--warning); }

.toast-icon {
    flex-shrink: 0;
    width: 20px;
    height: 20px;
}

.toast-success .toast-icon { color: var(--success); }
.toast-error .toast-icon { color: var(--danger); }
.toast-info .toast-icon { color: var(--info); }
.toast-warning .toast-icon { color: var(--warning); }

.toast-message {
    flex: 1;
    color: var(--gray-700);
    font-weight: 500;
}

.toast-close {
    background: none;
    border: none;
    color: var(--gray-400);
    cursor: pointer;
    padding: 4px;
    font-size: 1rem;
    line-height: 1;
}

/* ========================================
   ACTIVITY LIST
   ======================================== */
.activity-list {
    display: flex;
    flex-direction: column;
}

.activity-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 0;
    border-bottom: 1px solid var(--gray-100);
}

.activity-item:last-child { border-bottom: none; }

.activity-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    flex-shrink: 0;
}

.activity-dot-green { background: var(--success); }
.activity-dot-blue { background: var(--info); }
.activity-dot-orange { background: var(--warning); }

.activity-text {
    flex: 1;
    font-size: 0.85rem;
    color: var(--gray-700);
}

.activity-text strong { color: var(--gray-900); }

.activity-time {
    font-size: 0.75rem;
    color: var(--gray-400);
    white-space: nowrap;
}

/* ========================================
   RESPONSIVE
   ======================================== */
@media (max-width: 1200px) {
    .designer-layout {
        grid-template-columns: 340px 1fr;
        gap: 20px;
    }
}

@media (max-width: 1024px) {
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .dashboard-grid { grid-template-columns: 1fr; }
    .send-layout { grid-template-columns: 1fr; }

    .designer-layout {
        grid-template-columns: 1fr;
    }

    .designer-preview {
        position: static;
    }
}

@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
    }

    .sidebar.open {
        transform: translateX(0);
        box-shadow: var(--shadow-xl);
    }

    .mobile-header {
        display: flex;
    }

    .main-content {
        margin-left: 0;
        padding-top: var(--header-height);
    }

    .page {
        padding: 20px 16px;
    }

    .page-header {
        flex-direction: column;
    }

    .header-actions {
        width: 100%;
    }

    .header-actions .btn {
        flex: 1;
        justify-content: center;
    }

    .stats-grid { grid-template-columns: 1fr 1fr; gap: 12px; }

    .stat-card { padding: 16px; }

    .stat-value { font-size: 1.3rem; }

    .templates-grid { grid-template-columns: 1fr; }

    .form-row { grid-template-columns: 1fr; }

    .search-box { min-width: auto; flex: 1; }

    .table-toolbar { flex-direction: column; align-items: stretch; }

    .table-actions { justify-content: space-between; }

    .modal { margin: 16px; border-radius: var(--radius-lg); }

    .modal-cert { max-width: 95vw; }

    .template-filters {
        overflow-x: auto;
        flex-wrap: nowrap;
        -webkit-overflow-scrolling: touch;
        padding-bottom: 4px;
    }

    .filter-btn { flex-shrink: 0; }
}

@media (max-width: 480px) {
    .stats-grid { grid-template-columns: 1fr; }

    .quick-actions { grid-template-columns: 1fr; }

    .cert {
        padding: 24px;
    }

    .cert-title { font-size: 22px; }
    .cert-recipient { font-size: 26px; }
    .cert-course { font-size: 14px; }
    .cert-description { font-size: 10px; }
}

/* ========================================
   PRINT STYLES
   ======================================== */
@media print {
    .sidebar, .mobile-header, .page-header, .toast-container { display: none !important; }
    .main-content { margin-left: 0; }
    .page { padding: 0; }
    .cert { break-inside: avoid; }
}

/* ========================================
   PREFERS REDUCED MOTION
   ======================================== */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
    }
}

/* ========================================
   SCROLLBAR STYLING
   ======================================== */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: var(--gray-300);
    border-radius: 100px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--gray-400);
}