/* ==============================================================================
   Main SaaS Application Design System & Layout
   ============================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=Outfit:wght@500;600;700;800;900&display=swap');

:root {
    --bg-main: #f8fafc;
    --bg-card: #ffffff;
    --bg-sidebar: #0f172a;
    --sidebar-text: #94a3b8;
    --sidebar-active: #ffffff;
    --sidebar-active-bg: #1e293b;
    
    --primary: #2563eb;
    --primary-hover: #1d4ed8;
    --primary-light: #eff6ff;
    --primary-border: #bfdbfe;
    
    --success: #10b981;
    --success-bg: #ecfdf5;
    --warning: #f59e0b;
    --warning-bg: #fffbeb;
    --danger: #ef4444;
    --danger-bg: #fef2f2;
    
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #64748b;
    --text-placeholder: #94a3b8;
    
    --border: #e2e8f0;
    --border-focus: #3b82f6;
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 14px;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background-color: var(--bg-main);
    color: var(--text-primary);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

/* SaaS App Shell Layout */
.app-container {
    display: flex;
    min-height: 100vh;
}

/* Sidebar */
.sidebar {
    width: 260px;
    background: var(--bg-sidebar);
    color: var(--sidebar-text);
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
    transition: all 0.3s ease;
    z-index: 50;
}

.sidebar-brand {
    padding: 24px 20px;
    display: flex;
    align-items: center;
    gap: 12px;
    border-bottom: 1px solid #1e293b;
}

.brand-icon-shield {
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, #2563eb, #3b82f6);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ffffff;
    font-weight: 800;
    font-size: 16px;
    font-family: 'Outfit', sans-serif;
}

.brand-title {
    font-family: 'Outfit', sans-serif;
    font-size: 16px;
    font-weight: 700;
    color: #ffffff;
    line-height: 1.2;
}
.brand-sub {
    font-size: 11px;
    color: #64748b;
}

.sidebar-nav {
    padding: 20px 12px;
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 14px;
    color: var(--sidebar-text);
    text-decoration: none;
    font-size: 13.5px;
    font-weight: 600;
    border-radius: var(--radius-sm);
    transition: all 0.2s ease;
}

.nav-link:hover {
    color: #ffffff;
    background: #1e293b;
}

.nav-link.active {
    color: #ffffff;
    background: #2563eb;
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.25);
}

.nav-icon {
    width: 18px;
    height: 18px;
    opacity: 0.85;
}

.sidebar-footer {
    padding: 18px 20px;
    border-top: 1px solid #1e293b;
    font-size: 12px;
    color: #64748b;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* Main Workspace Content Area */
.main-wrapper {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
}

.top-navbar {
    height: 64px;
    background: var(--bg-card);
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 32px;
    position: sticky;
    top: 0;
    z-index: 40;
}

.page-breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13.5px;
    font-weight: 500;
    color: var(--text-muted);
}
.page-breadcrumb strong {
    color: var(--text-primary);
    font-weight: 700;
}

.topbar-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

.content-body {
    padding: 32px;
    flex: 1;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 9px 18px;
    font-size: 13.5px;
    font-weight: 600;
    border-radius: var(--radius-sm);
    border: 1px solid transparent;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.2s ease;
    font-family: inherit;
}

.btn-primary {
    background: var(--primary);
    color: #ffffff;
}
.btn-primary:hover {
    background: var(--primary-hover);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.2);
}

.btn-secondary {
    background: var(--bg-card);
    border-color: var(--border);
    color: var(--text-primary);
}
.btn-secondary:hover {
    background: #f1f5f9;
    border-color: #cbd5e1;
}

.btn-danger {
    background: var(--danger-bg);
    border-color: #fecaca;
    color: var(--danger);
}
.btn-danger:hover {
    background: #fee2e2;
}

.btn-sm {
    padding: 6px 12px;
    font-size: 12px;
}
.btn-lg {
    padding: 12px 24px;
    font-size: 15px;
}

/* Grid & Cards */
.grid-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
    margin-bottom: 28px;
}

.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 20px;
    box-shadow: var(--shadow-sm);
}
.stat-label {
    font-size: 12px;
    font-weight: 700;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 6px;
}
.stat-value {
    font-size: 28px;
    font-weight: 800;
    font-family: 'Outfit', sans-serif;
    color: var(--text-primary);
    line-height: 1.2;
}
.stat-meta {
    font-size: 11.5px;
    color: var(--text-muted);
    margin-top: 4px;
}

.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    margin-bottom: 28px;
    overflow: hidden;
}

.card-header {
    padding: 18px 24px;
    border-bottom: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.card-title {
    font-size: 16px;
    font-weight: 700;
    font-family: 'Outfit', sans-serif;
    color: var(--text-primary);
    margin: 0;
}
.card-body {
    padding: 24px;
}

/* Forms & Inputs */
.form-group {
    margin-bottom: 20px;
}
.form-label {
    display: block;
    font-size: 13px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 6px;
}
.form-label .required {
    color: var(--danger);
}
.form-input, .form-select, .form-textarea {
    width: 100%;
    padding: 10px 14px;
    font-size: 13.5px;
    font-family: inherit;
    color: var(--text-primary);
    background: #ffffff;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
.form-input:focus, .form-select:focus, .form-textarea:focus {
    outline: none;
    border-color: var(--border-focus);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
}
.form-helper {
    font-size: 11.5px;
    color: var(--text-muted);
    margin-top: 4px;
}
.form-error {
    font-size: 11.5px;
    color: var(--danger);
    margin-top: 4px;
    font-weight: 600;
}

/* Tables */
.table-responsive {
    width: 100%;
    overflow-x: auto;
}
.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
    text-align: left;
}
.data-table th {
    background: #f8fafc;
    padding: 12px 18px;
    font-weight: 700;
    color: var(--text-muted);
    border-bottom: 1px solid var(--border);
    white-space: nowrap;
}
.data-table td {
    padding: 14px 18px;
    border-bottom: 1px solid #f1f5f9;
    color: var(--text-primary);
    vertical-align: middle;
}
.data-table tr:hover td {
    background: #f8fafc;
}

/* Badges */
.badge {
    display: inline-block;
    padding: 3px 8px;
    font-size: 11px;
    font-weight: 700;
    border-radius: 4px;
    letter-spacing: 0.3px;
}
.badge-success { background: var(--success-bg); color: #065f46; }
.badge-warning { background: var(--warning-bg); color: #92400e; }
.badge-danger { background: var(--danger-bg); color: #991b1b; }
.badge-info { background: var(--primary-light); color: #1e40af; }
.badge-neutral { background: #f1f5f9; color: #475569; }

/* Action Dropdowns & Actions */
.action-btns {
    display: flex;
    align-items: center;
    gap: 6px;
}

/* Toast Notifications */
#toast-container {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 1000;
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.toast {
    background: #0f172a;
    color: #ffffff;
    padding: 12px 20px;
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-lg);
    font-size: 13px;
    display: flex;
    align-items: center;
    gap: 12px;
    min-width: 280px;
    animation: slideUp 0.3s ease;
}
.toast.toast-success { border-left: 4px solid var(--success); }
.toast.toast-error { border-left: 4px solid var(--danger); }
.toast.toast-info { border-left: 4px solid var(--primary); }

@keyframes slideUp {
    from { opacity: 0; transform: translateY(12px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Modals */
.modal-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(15, 23, 42, 0.6);
    backdrop-filter: blur(4px);
    z-index: 900;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all 0.25s ease;
}
.modal-backdrop.open {
    opacity: 1;
    visibility: visible;
}
.modal-card {
    background: #ffffff;
    width: 100%;
    max-width: 600px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
    transform: scale(0.95);
    transition: transform 0.25s ease;
}
.modal-backdrop.open .modal-card {
    transform: scale(1);
}
.modal-header {
    padding: 18px 24px;
    border-bottom: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.modal-body {
    padding: 24px;
}
.modal-footer {
    padding: 16px 24px;
    background: #f8fafc;
    border-top: 1px solid var(--border);
    display: flex;
    justify-content: flex-end;
    gap: 10px;
}

/* Report Action Bar (Top of Report Viewer) */
.report-viewer-header {
    background: #ffffff;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 16px 24px;
    margin-bottom: 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 14px;
}
.report-viewer-title {
    font-size: 18px;
    font-weight: 800;
    font-family: 'Outfit', sans-serif;
    color: var(--text-primary);
}
.version-badge-select {
    display: flex;
    align-items: center;
    gap: 8px;
}

/* Responsive Styles */
@media (max-width: 900px) {
    .app-container {
        flex-direction: column;
    }
    .sidebar {
        width: 100%;
    }
    .top-navbar {
        padding: 0 16px;
    }
    .content-body {
        padding: 16px;
    }
    .score-cards-row {
        grid-template-columns: 1fr 1fr;
    }
    .findings-cards-grid {
        grid-template-columns: 1fr;
    }
    .service-steps-grid {
        grid-template-columns: 1fr;
    }
}