/* ═══════════════════════════════════════════
   CLIENT PORTAL STYLES - Dark Blue Theme
   Version: 3.2 - TOPBAR FIXED
═══════════════════════════════════════════ */

:root {
    /* Base Colors */
    --bg-base:        #020817;
    --bg-surface:     #0d1526;
    --bg-elevated:    #111d35;
    --bg-card:        #0f1a2e;
    --bg-card-hover:  #142040;
    
    /* Borders */
    --border-subtle:  rgba(99,120,170,0.14);
    --border-default: rgba(99,120,170,0.22);
    --border-strong:  rgba(99,120,170,0.38);
    --border-accent:  rgba(59,130,246,0.35);
    
    /* Blue Palette */
    --blue-100: #dbeafe;
    --blue-300: #93c5fd;
    --blue-400: #60a5fa;
    --blue-500: #3b82f6;
    --blue-600: #2563eb;
    --blue-700: #1d4ed8;
    
    /* Green Palette */
    --green-300: #86efac;
    --green-400: #4ade80;
    --green-500: #22c55e;
    --green-600: #16a34a;
    
    /* Text Colors */
    --text-primary:   #f0f4ff;
    --text-secondary: #c8d4f0;
    --text-muted:     #7a8fb5;
    --text-faint:     #3d5080;
    
    /* Border Radius */
    --r-sm:  6px;
    --r-md:  10px;
    --r-lg:  14px;
    --r-xl:  20px;
    --r-2xl: 28px;
    
    /* Shadows */
    --shadow-card:       0 4px 24px rgba(0,0,0,0.35), 0 1px 4px rgba(0,0,0,0.2);
    --shadow-modal:      0 24px 80px rgba(0,0,0,0.7), 0 0 0 1px rgba(59,130,246,0.12);
    --shadow-glow-blue:  0 0 40px rgba(59,130,246,0.18);
    --shadow-glow-green: 0 0 40px rgba(34,197,94,0.14);
    
    /* Transitions */
    --t-fast: 0.15s ease;
    --t-med:  0.28s ease;
    
    /* Portal Specific */
    --portal-primary: var(--blue-600);
    --portal-success: var(--green-500);
    --portal-warning: #f59e0b;
    --portal-danger: #ef4444;
    --portal-info: #0ea5e9;
    --portal-radius-full: 9999px;
}

/* ═══════════════════════════════════════════
   RESET & BASE - FORCE NO GAPS
═══════════════════════════════════════════ */

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

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    margin: 0 !important;
    padding: 0 !important;
    height: 100%;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue', sans-serif;
    color: var(--text-primary);
    background: var(--bg-base);
    line-height: 1.5;
    margin: 0 !important;
    padding: 0 !important;
    min-height: 100vh;
    overflow-x: hidden;
}

/* ═══════════════════════════════════════════
   AUTHENTICATION PAGES
═══════════════════════════════════════════ */

.portal-auth-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, 
        var(--bg-base) 0%, 
        var(--bg-surface) 50%, 
        var(--bg-elevated) 100%
    );
}

.portal-auth-page::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, rgba(59,130,246,0.08) 0%, transparent 70%);
    pointer-events: none;
    animation: float 20s ease-in-out infinite;
}

.portal-auth-page::after {
    content: '';
    position: absolute;
    bottom: -50%;
    left: -50%;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, rgba(34,197,94,0.05) 0%, transparent 70%);
    pointer-events: none;
    animation: float 25s ease-in-out infinite reverse;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0); }
    50% { transform: translate(20px, 20px); }
}

.portal-auth-container {
    max-width: 440px;
    width: 100%;
    background: var(--bg-card);
    border: 1px solid var(--border-default);
    border-radius: var(--r-2xl);
    box-shadow: var(--shadow-modal);
    padding: 3rem;
    position: relative;
    z-index: 1;
    backdrop-filter: blur(20px);
    transition: all var(--t-med);
}

.portal-auth-container:hover {
    border-color: var(--border-accent);
    transform: translateY(-2px);
}

.portal-auth-logo {
    text-align: center;
    margin-bottom: 2rem;
}

.portal-auth-logo img {
    max-width: 150px;
    height: auto;
}

.portal-auth-header {
    text-align: center;
    margin-bottom: 2rem;
}

.portal-auth-header h1 {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    letter-spacing: -0.5px;
}

.portal-auth-header p {
    color: var(--text-muted);
    font-size: 0.95rem;
}

.portal-auth-form {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.portal-auth-footer {
    margin-top: 2rem;
    text-align: center;
    font-size: 0.9rem;
    color: var(--text-muted);
    padding-top: 2rem;
    border-top: 1px solid var(--border-subtle);
}

.portal-auth-footer a {
    color: var(--blue-400);
    text-decoration: none;
    font-weight: 500;
    transition: color var(--t-fast);
}

.portal-auth-footer a:hover {
    color: var(--blue-300);
}

/* ═══════════════════════════════════════════
   PORTAL LAYOUT - FORCE NO GAPS
═══════════════════════════════════════════ */

.portal-layout {
    display: flex;
    min-height: 100vh;
    background: var(--bg-base);
    margin: 0 !important;
    padding: 0 !important;
}

/* Sidebar */
.portal-sidebar {
    width: 260px;
    background: var(--bg-card);
    border-right: 1px solid var(--border-default);
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    z-index: 1000;
    transition: transform var(--t-med);
    overflow-y: auto;
}

.portal-sidebar-logo {
    height: 64px;
    padding: 0 1.5rem;
    border-bottom: 1px solid var(--border-subtle);
    flex-shrink: 0;
    display: flex;
    align-items: center;
    background: var(--bg-card);
}

.portal-sidebar-logo a {
    display: flex;
    align-items: center;
    text-decoration: none;
    width: 100%;
}

.portal-sidebar-logo img {
    max-width: 100%;
    height: auto;
    max-height: 32px;
}

.portal-logo-text {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.portal-sidebar-nav {
    flex: 1;
    padding: 1rem;
    overflow-y: auto;
}

.portal-nav-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: var(--r-md);
    transition: all var(--t-fast);
    margin-bottom: 0.25rem;
    font-weight: 500;
    font-size: 0.95rem;
}

.portal-nav-item:hover {
    background: var(--bg-surface);
    color: var(--text-primary);
}

.portal-nav-item.active {
    background: linear-gradient(135deg, rgba(59,130,246,0.2), rgba(37,99,235,0.15));
    color: var(--blue-400);
    box-shadow: inset 3px 0 0 var(--blue-500);
}

.portal-nav-item svg {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

.portal-nav-item span {
    flex: 1;
}

.portal-nav-badge {
    margin-left: auto;
    min-width: 20px;
    height: 20px;
    background: var(--blue-600);
    color: white;
    border-radius: var(--portal-radius-full);
    font-size: 0.7rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 6px;
}

.portal-nav-item.active .portal-nav-badge {
    background: white;
    color: var(--blue-600);
}

.portal-nav-badge-warning {
    background: var(--portal-warning);
}

.portal-nav-divider {
    height: 1px;
    background: var(--border-subtle);
    margin: 1rem 0;
}

.portal-sidebar-footer {
    padding: 1rem;
    border-top: 1px solid var(--border-subtle);
    flex-shrink: 0;
}

.portal-support-card {
    padding: 1rem;
    background: var(--bg-surface);
    border-radius: var(--r-lg);
    text-align: center;
}

.portal-support-icon {
    width: 48px;
    height: 48px;
    background: rgba(59,130,246,0.15);
    color: var(--blue-500);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 0.75rem;
}

.portal-support-card h4 {
    font-size: 0.9rem;
    font-weight: 600;
    margin: 0 0 0.25rem 0;
    color: var(--text-primary);
}

.portal-support-card p {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin: 0 0 0.75rem 0;
}

/* Main Content - FORCE NO TOP MARGIN */
.portal-main {
    flex: 1;
    margin-left: 260px;
    margin-top: 0 !important;
    margin-bottom: 0 !important;
    padding: 0 !important;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    width: calc(100% - 260px);
}

/* Top Bar - FLUSH TO TOP */
.portal-topbar {
    height: 64px;
    background: var(--bg-card);
    border-bottom: 1px solid var(--border-default);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 1.5rem;
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(20px);
    flex-shrink: 0;
    margin: 0 !important;
}

.portal-topbar-left {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.portal-menu-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 0.5rem;
    border-radius: var(--r-sm);
    transition: var(--t-fast);
}

.portal-menu-toggle:hover {
    background: var(--bg-surface);
    color: var(--text-primary);
}

.portal-menu-toggle svg {
    width: 24px;
    height: 24px;
}

.portal-topbar-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}

.portal-topbar-right {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.portal-topbar-btn {
    width: 40px;
    height: 40px;
    border-radius: var(--r-md);
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--t-fast);
    position: relative;
}

.portal-topbar-btn:hover {
    background: var(--bg-surface);
    color: var(--text-primary);
}

/* User Menu */
.portal-user-menu {
    position: relative;
}

.portal-user-btn {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.5rem 0.75rem;
    background: none;
    border: none;
    border-radius: var(--r-md);
    cursor: pointer;
    transition: background var(--t-fast);
}

.portal-user-btn:hover {
    background: var(--bg-surface);
}

.portal-user-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--blue-600), var(--blue-700));
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 0.875rem;
}

.portal-user-name {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-primary);
}

.portal-user-dropdown {
    position: absolute;
    top: calc(100% + 0.5rem);
    right: 0;
    width: 240px;
    background: var(--bg-card);
    border: 1px solid var(--border-default);
    border-radius: var(--r-lg);
    box-shadow: var(--shadow-modal);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all var(--t-fast);
    z-index: 1001;
}

.portal-user-dropdown.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.portal-user-dropdown-header {
    padding: 1rem;
}

.portal-user-dropdown-name {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.portal-user-dropdown-email {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.portal-user-dropdown-divider {
    height: 1px;
    background: var(--border-subtle);
}

.portal-user-dropdown-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    color: var(--text-secondary);
    text-decoration: none;
    transition: all var(--t-fast);
}

.portal-user-dropdown-item:hover {
    background: var(--bg-surface);
    color: var(--text-primary);
}

.portal-user-dropdown-item svg {
    width: 18px;
    height: 18px;
}

/* Content Area */
.portal-content {
    flex: 1;
    padding: 2rem;
    overflow-x: hidden;
}

.portal-page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 2rem;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.portal-page-title {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0 0 0.25rem 0;
    letter-spacing: -0.5px;
}

.portal-page-subtitle {
    color: var(--text-muted);
    margin: 0;
    font-size: 0.95rem;
}

.portal-page-actions {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

/* ═══════════════════════════════════════════
   STATS
═══════════════════════════════════════════ */

.stats-grid,
.portal-stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.stat-card,
.portal-stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border-default);
    border-radius: var(--r-lg);
    padding: 1.5rem;
    display: flex;
    gap: 1.25rem;
    box-shadow: var(--shadow-card);
    transition: all var(--t-med);
}

.stat-card:hover,
.portal-stat-card:hover {
    border-color: var(--border-accent);
    box-shadow: var(--shadow-modal);
    transform: translateY(-4px);
}

.stat-icon,
.portal-stat-icon {
    width: 56px;
    height: 56px;
    border-radius: var(--r-md);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.stat-icon svg,
.portal-stat-icon svg {
    width: 24px;
    height: 24px;
}

.stat-icon-blue,
.portal-stat-icon-blue {
    background: rgba(59,130,246,0.15);
    color: var(--blue-400);
}

.stat-icon-green,
.portal-stat-icon-green {
    background: rgba(34,197,94,0.15);
    color: var(--green-400);
}

.stat-icon-yellow,
.portal-stat-icon-yellow {
    background: rgba(245,158,11,0.15);
    color: #fbbf24;
}

.stat-icon-purple,
.portal-stat-icon-purple {
    background: rgba(147,51,234,0.15);
    color: #a78bfa;
}

.stat-icon-red,
.portal-stat-icon-red {
    background: rgba(239,68,68,0.15);
    color: #f87171;
}

.stat-content,
.portal-stat-content {
    flex: 1;
    min-width: 0;
}

.stat-label,
.portal-stat-label {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.stat-value,
.portal-stat-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1;
    margin-bottom: 0.5rem;
}

.stat-change,
.portal-stat-change {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.stat-change a,
.portal-stat-change a {
    color: var(--blue-400);
    text-decoration: none;
    transition: color var(--t-fast);
}

.stat-change a:hover,
.portal-stat-change a:hover {
    color: var(--blue-300);
}

/* ═══════════════════════════════════════════
   CARDS
═══════════════════════════════════════════ */

.card,
.portal-card {
    background: var(--bg-card);
    border: 1px solid var(--border-default);
    border-radius: var(--r-lg);
    box-shadow: var(--shadow-card);
    transition: all var(--t-med);
    margin-bottom: 1.5rem;
}

.card:hover,
.portal-card:hover {
    border-color: var(--border-accent);
    box-shadow: var(--shadow-modal);
}

.card-body,
.portal-card-body {
    padding: 1.5rem;
}

.portal-card-header {
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--border-subtle);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.portal-card-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}

.portal-card-footer {
    padding: 1rem 1.5rem;
    border-top: 1px solid var(--border-subtle);
    background: var(--bg-surface);
}

.card-actions {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    margin-top: 1rem;
}

.portal-content-grid {
    display: grid;
    grid-template-columns: 1fr 350px;
    gap: 1.5rem;
}

/* ═══════════════════════════════════════════
   GRIDS
═══════════════════════════════════════════ */

.grid {
    display: grid;
    gap: 1.5rem;
}

.grid-cols-1 {
    grid-template-columns: repeat(1, 1fr);
}

.grid-cols-2 {
    grid-template-columns: repeat(2, 1fr);
}

.grid-cols-3 {
    grid-template-columns: repeat(3, 1fr);
}

@media (min-width: 768px) {
    .md\:grid-cols-2 {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .lg\:grid-cols-3 {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* ═══════════════════════════════════════════
   SITE CARDS
═══════════════════════════════════════════ */

.site-header {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 1.25rem;
}

.site-avatar {
    width: 48px;
    height: 48px;
    border-radius: var(--r-lg);
    background: linear-gradient(135deg, var(--blue-500), var(--blue-600));
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.25rem;
    flex-shrink: 0;
    box-shadow: 0 4px 12px rgba(59,130,246,0.3);
}

.site-info {
    flex: 1;
    min-width: 0;
}

.site-name {
    margin: 0 0 0.25rem 0;
    font-size: 1.125rem;
    font-weight: 600;
}

.site-name a {
    color: var(--text-primary);
    text-decoration: none;
    transition: color var(--t-fast);
}

.site-name a:hover {
    color: var(--blue-400);
}

.site-url {
    font-size: 0.875rem;
}

.site-url a {
    color: var(--blue-400);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    transition: color var(--t-fast);
}

.site-url a:hover {
    color: var(--blue-300);
}

.site-url svg {
    width: 14px;
    height: 14px;
}

.site-details {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.75rem;
    padding: 1rem;
    background: var(--bg-surface);
    border-radius: var(--r-md);
    margin-bottom: 1rem;
}

.site-detail-item {
    font-size: 0.875rem;
}

.site-detail-label {
    color: var(--text-muted);
    font-size: 0.75rem;
    margin-bottom: 0.25rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 500;
}

.site-detail-value {
    font-weight: 500;
    color: var(--text-primary);
}

.site-notes {
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.5;
    margin-bottom: 1rem;
    padding: 0.75rem;
    background: var(--bg-surface);
    border-radius: var(--r-md);
    border-left: 3px solid var(--border-accent);
}

/* ═══════════════════════════════════════════
   EMPTY STATES
═══════════════════════════════════════════ */

.empty-state,
.portal-empty-state {
    padding: 4rem 2rem;
    text-align: center;
    background: var(--bg-card);
    border: 1px solid var(--border-default);
    border-radius: var(--r-lg);
}

.empty-state-icon {
    margin-bottom: 1.5rem;
    opacity: 0.5;
}

.empty-state-icon svg,
.portal-empty-state svg {
    width: 64px;
    height: 64px;
    color: var(--text-muted);
}

.empty-state-title,
.portal-empty-state h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0 0 0.5rem 0;
}

.empty-state-description,
.portal-empty-state p {
    color: var(--text-muted);
    margin: 0 0 1.5rem 0;
}

/* ═══════════════════════════════════════════
   TABLES
═══════════════════════════════════════════ */

.portal-table-container {
    overflow-x: auto;
    border-radius: var(--r-lg);
    border: 1px solid var(--border-default);
    box-shadow: var(--shadow-card);
}

.portal-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--bg-card);
}

.portal-table thead {
    background: var(--bg-surface);
}

.portal-table th {
    padding: 0.75rem 1rem;
    text-align: left;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    white-space: nowrap;
}

.portal-table td {
    padding: 1rem;
    border-top: 1px solid var(--border-subtle);
    color: var(--text-primary);
    font-size: 0.9rem;
}

.portal-table tbody tr {
    transition: var(--t-fast);
}

.portal-table tbody tr:hover {
    background: var(--bg-card-hover);
}

/* ═══════════════════════════════════════════
   FORMS
═══════════════════════════════════════════ */

.form-group {
    margin-bottom: 1.25rem;
}

.form-group label {
    display: block;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
    font-size: 0.95rem;
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid var(--border-default);
    border-radius: var(--r-md);
    font-size: 0.95rem;
    color: var(--text-primary);
    background: var(--bg-elevated);
    transition: var(--t-fast);
    font-family: inherit;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--blue-500);
    box-shadow: 0 0 0 3px rgba(59,130,246,0.15);
    background: var(--bg-card);
}

.form-input::placeholder,
.form-textarea::placeholder {
    color: var(--text-faint);
}

.form-textarea {
    resize: vertical;
    min-height: 100px;
    line-height: 1.5;
}

.form-help {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-top: 0.5rem;
}

.form-error {
    font-size: 0.85rem;
    color: var(--portal-danger);
    margin-top: 0.5rem;
}

.form-input.error,
.form-select.error,
.form-textarea.error {
    border-color: var(--portal-danger);
    box-shadow: 0 0 0 3px rgba(239,68,68,0.15);
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
    color: var(--text-secondary);
    cursor: pointer;
    user-select: none;
}

.checkbox-label input[type="checkbox"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
    accent-color: var(--blue-600);
}

/* ═══════════════════════════════════════════
   BUTTONS
═══════════════════════════════════════════ */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border-radius: var(--r-md);
    font-size: 0.95rem;
    font-weight: 500;
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: all var(--t-fast);
    white-space: nowrap;
    font-family: inherit;
}

.btn svg {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
}

.btn-primary {
    background: linear-gradient(135deg, var(--blue-600), var(--blue-700));
    color: white;
    box-shadow: var(--shadow-glow-blue);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--blue-700), var(--blue-600));
    box-shadow: 0 0 60px rgba(59,130,246,0.3);
    transform: translateY(-2px);
}

.btn-secondary {
    background: var(--bg-elevated);
    color: var(--text-primary);
    border: 1px solid var(--border-default);
}

.btn-secondary:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-accent);
}

.btn-ghost {
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid var(--border-default);
}

.btn-ghost:hover {
    background: var(--bg-card-hover);
    color: var(--text-primary);
    border-color: var(--border-accent);
}

.btn-danger {
    background: var(--portal-danger);
    color: white;
}

.btn-danger:hover {
    background: #dc2626;
    transform: translateY(-2px);
}

.btn-success {
    background: linear-gradient(135deg, var(--green-500), var(--green-600));
    color: white;
    box-shadow: var(--shadow-glow-green);
}

.btn-success:hover {
    background: linear-gradient(135deg, var(--green-600), var(--green-500));
    transform: translateY(-2px);
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

.btn-sm svg {
    width: 16px;
    height: 16px;
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1.05rem;
}

.btn-block {
    width: 100%;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* ═══════════════════════════════════════════
   BADGES
═══════════════════════════════════════════ */

.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.35rem 0.75rem;
    border-radius: var(--r-sm);
    font-size: 0.8rem;
    font-weight: 600;
    line-height: 1;
}

.badge-blue {
    background: rgba(59,130,246,0.15);
    color: var(--blue-400);
}

.badge-green {
    background: rgba(34,197,94,0.15);
    color: var(--green-400);
}

.badge-yellow {
    background: rgba(245,158,11,0.15);
    color: #fbbf24;
}

.badge-red {
    background: rgba(239,68,68,0.15);
    color: #f87171;
}

.badge-gray {
    background: rgba(148,163,184,0.15);
    color: var(--text-muted);
}

.badge-purple {
    background: rgba(147,51,234,0.15);
    color: #a78bfa;
}

/* ═══════════════════════════════════════════
   ALERTS
═══════════════════════════════════════════ */

.alert {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    padding: 1rem 1.25rem;
    border-radius: var(--r-md);
    margin-bottom: 1.5rem;
    border-left: 4px solid;
}

.alert svg {
    flex-shrink: 0;
    margin-top: 2px;
    width: 20px;
    height: 20px;
}

.alert-error {
    background: rgba(239,68,68,0.1);
    border-color: #ef4444;
    color: #fca5a5;
}

.alert-success {
    background: rgba(34,197,94,0.1);
    border-color: var(--green-500);
    color: var(--green-300);
}

.alert-info {
    background: rgba(59,130,246,0.1);
    border-color: var(--blue-500);
    color: var(--blue-300);
}

.alert-warning {
    background: rgba(245,158,11,0.1);
    border-color: #f59e0b;
    color: #fbbf24;
}

/* ═══════════════════════════════════════════
   FOOTER
═══════════════════════════════════════════ */

.portal-footer {
    margin-left: 260px;
    padding: 1.5rem 2rem;
    border-top: 1px solid var(--border-subtle);
    background: var(--bg-surface);
}

.portal-footer-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 0.85rem;
    color: var(--text-muted);
    flex-wrap: wrap;
    gap: 1rem;
}

.portal-footer-right {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.portal-footer-right a {
    color: var(--text-muted);
    text-decoration: none;
    transition: color var(--t-fast);
}

.portal-footer-right a:hover {
    color: var(--blue-400);
}

/* ═══════════════════════════════════════════
   TOAST NOTIFICATIONS
═══════════════════════════════════════════ */

#portal-toast-container {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    z-index: 10000;
    pointer-events: none;
}

.portal-toast {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    background: var(--bg-card);
    border: 1px solid var(--border-default);
    border-radius: var(--r-md);
    padding: 1rem 1.5rem;
    box-shadow: var(--shadow-modal);
    margin-bottom: 0.75rem;
    min-width: 300px;
    max-width: 500px;
    opacity: 0;
    transform: translateX(100%);
    transition: all 0.3s ease;
    pointer-events: auto;
}

.portal-toast.show {
    opacity: 1;
    transform: translateX(0);
}

.portal-toast-icon {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    flex-shrink: 0;
    font-size: 1rem;
}

.portal-toast-success {
    border-left: 4px solid var(--green-500);
}

.portal-toast-success .portal-toast-icon {
    background: rgba(34,197,94,0.15);
    color: var(--green-400);
}

.portal-toast-error {
    border-left: 4px solid var(--portal-danger);
}

.portal-toast-error .portal-toast-icon {
    background: rgba(239,68,68,0.15);
    color: #f87171;
}

.portal-toast-warning {
    border-left: 4px solid var(--portal-warning);
}

.portal-toast-warning .portal-toast-icon {
    background: rgba(245,158,11,0.15);
    color: #fbbf24;
}

.portal-toast-info {
    border-left: 4px solid var(--blue-500);
}

.portal-toast-info .portal-toast-icon {
    background: rgba(59,130,246,0.15);
    color: var(--blue-400);
}

.portal-toast-message {
    color: var(--text-primary);
    font-weight: 500;
    font-size: 0.95rem;
    line-height: 1.4;
    flex: 1;
}

/* ═══════════════════════════════════════════
   UTILITIES
═══════════════════════════════════════════ */

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

.text-center {
    text-align: center;
}

.spinner {
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: white;
    animation: spin 0.6s linear infinite;
}

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

/* ═══════════════════════════════════════════
   RESPONSIVE
═══════════════════════════════════════════ */

@media (max-width: 1024px) {
    .portal-sidebar {
        transform: translateX(-100%);
    }
    
    .portal-sidebar.open {
        transform: translateX(0);
        box-shadow: var(--shadow-modal);
    }
    
    .portal-main {
        margin-left: 0;
        width: 100%;
    }
    
    .portal-menu-toggle {
        display: flex;
    }
    
    .portal-user-name {
        display: none;
    }
    
    .portal-footer {
        margin-left: 0;
    }
    
    .portal-content-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .portal-content {
        padding: 1.5rem;
    }
    
    .portal-page-header {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .portal-page-title {
        font-size: 1.5rem;
    }
    
    .stats-grid,
    .portal-stats-grid {
        grid-template-columns: 1fr;
    }
    
    .grid-cols-2,
    .grid-cols-3,
    .md\:grid-cols-2 {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 640px) {
    .portal-content {
        padding: 1rem;
    }
    
    .card-body,
    .portal-card-body {
        padding: 1rem;
    }
    
    .site-header {
        flex-wrap: wrap;
    }
    
    .site-details {
        grid-template-columns: 1fr;
    }
    
    .portal-auth-page {
        padding: 1rem;
    }
    
    .portal-auth-container {
        padding: 2rem 1.5rem;
    }
    
    #portal-toast-container {
        bottom: 1rem;
        right: 1rem;
        left: 1rem;
    }
    
    .portal-toast {
        min-width: auto;
        width: 100%;
    }
}

/* ═══════════════════════════════════════════
   SCROLLBAR STYLING
═══════════════════════════════════════════ */

.portal-sidebar::-webkit-scrollbar {
    width: 8px;
}

.portal-sidebar::-webkit-scrollbar-track {
    background: var(--bg-surface);
}

.portal-sidebar::-webkit-scrollbar-thumb {
    background: var(--border-strong);
    border-radius: 4px;
}

.portal-sidebar::-webkit-scrollbar-thumb:hover {
    background: var(--text-faint);
}

.portal-nav-section-label {
    padding: 14px 18px 8px;
    font-size: 0.68rem;
    font-weight: 800;
    color: #94a3b8;
    text-transform: uppercase;
    letter-spacing: 1.2px;
}