/* CE Business Intelligence - Authentication & User Management Styles */
/* Themed to match the existing CE BI application */

/* ==========================================================================
   CSS Variables & Reset
   ========================================================================== */

:root {
    /* Primary Colors */
    --primary-purple: #667eea;
    --primary-purple-dark: #764ba2;

    /* Status Colors */
    --success-green: #27ae60;
    --success-green-light: #2ecc71;
    --danger-red: #e74c3c;
    --danger-red-dark: #c0392b;
    --warning-orange: #f39c12;
    --warning-orange-dark: #e67e22;
    --info-blue: #3498db;
    --info-blue-dark: #2980b9;

    /* Text Colors */
    --text-dark: #2c3e50;
    --text-secondary: #7f8c8d;
    --text-light: #95a5a6;

    /* Background Colors */
    --bg-light: #f8f9ff;
    --bg-white: #ffffff;
    --bg-card: linear-gradient(135deg, #ffffff 0%, #f8f9ff 100%);

    /* Border Colors */
    --border-light: #e8ecf3;
    --border-focus: #667eea;

    /* Shadows */
    --shadow-sm: 0 4px 16px rgba(0,0,0,0.06);
    --shadow-md: 0 10px 30px rgba(0,0,0,0.08);
    --shadow-lg: 0 20px 60px rgba(0,0,0,0.1);
    --shadow-hover: 0 16px 40px rgba(102, 126, 234, 0.15);

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-success: linear-gradient(135deg, #27ae60 0%, #2ecc71 100%);
    --gradient-danger: linear-gradient(135deg, #e74c3c 0%, #c0392b 100%);
    --gradient-warning: linear-gradient(135deg, #f39c12 0%, #e67e22 100%);

    /* Typography */
    --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;

    /* Spacing */
    --spacing-xs: 8px;
    --spacing-sm: 12px;
    --spacing-md: 20px;
    --spacing-lg: 30px;
    --spacing-xl: 40px;

    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 20px;
    --radius-full: 25px;
}

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

body {
    font-family: var(--font-family);
    background: var(--bg-light);
    color: var(--text-dark);
    line-height: 1.6;
    min-height: 100vh;
}

/* ==========================================================================
   Navbar
   ========================================================================== */

.navbar {
    background: var(--gradient-primary);
    padding: 0 var(--spacing-lg);
    box-shadow: var(--shadow-md);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.nav-brand {
    display: flex;
    align-items: center;
    text-decoration: none;
    transition: opacity 0.3s ease;
}

.nav-brand:hover {
    opacity: 0.9;
}

.nav-logo {
    height: 40px;
    width: auto;
    filter: brightness(0) invert(1);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.nav-link {
    color: rgba(255,255,255,0.9);
    text-decoration: none;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    transition: all 0.3s ease;
    font-weight: 500;
}

.nav-link:hover {
    color: white;
    background: rgba(255,255,255,0.15);
}

.nav-user {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-left: var(--spacing-md);
    padding-left: var(--spacing-md);
    border-left: 1px solid rgba(255,255,255,0.3);
}

.user-name {
    color: white;
    font-weight: 500;
}

.btn-logout {
    background: rgba(255,255,255,0.2);
    color: white;
    border: none;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-full);
    cursor: pointer;
    font-weight: 500;
    transition: all 0.3s ease;
}

.btn-logout:hover {
    background: rgba(255,255,255,0.3);
}

/* ==========================================================================
   Main Content & Footer
   ========================================================================== */

.main-content {
    min-height: calc(100vh - 130px);
    padding: var(--spacing-xl) var(--spacing-lg);
}

.footer {
    background: white;
    padding: var(--spacing-md);
    text-align: center;
    color: var(--text-secondary);
    border-top: 1px solid var(--border-light);
}

/* ==========================================================================
   Alerts
   ========================================================================== */

.alert {
    max-width: 600px;
    margin: 0 auto var(--spacing-lg);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-sm);
    font-weight: 500;
}

.alert-success {
    background: #d5f4e6;
    color: var(--success-green);
    border: 1px solid var(--success-green-light);
}

.alert-error {
    background: #fce4e4;
    color: var(--danger-red);
    border: 1px solid var(--danger-red);
}

/* ==========================================================================
   Auth Pages
   ========================================================================== */

.auth-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: calc(100vh - 130px);
    padding: var(--spacing-lg);
}

.auth-card {
    background: white;
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-lg);
    width: 100%;
    max-width: 450px;
}

.auth-card-wide {
    max-width: 700px;
}

.auth-header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.auth-header .logo-container {
    margin-bottom: var(--spacing-md);
}

.auth-header .auth-logo {
    max-width: 200px;
    height: auto;
    transition: transform 0.3s ease;
}

.auth-header .auth-logo:hover {
    transform: scale(1.02);
}

.auth-header .logo-fallback {
    display: none;
    font-size: 1.5em;
    font-weight: 700;
    color: var(--primary-purple);
    letter-spacing: 1px;
}

.auth-header h1 {
    font-size: 1.8em;
    color: var(--text-dark);
    margin-bottom: var(--spacing-xs);
}

.auth-header .subtitle {
    color: var(--text-secondary);
    font-size: 1em;
}

.auth-form .form-group {
    margin-bottom: var(--spacing-md);
}

.auth-form label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: 600;
    color: var(--text-dark);
}

.auth-form input {
    width: 100%;
    padding: var(--spacing-sm) 15px;
    border: 2px solid var(--border-light);
    border-radius: var(--radius-sm);
    font-size: 1em;
    transition: all 0.3s ease;
}

.auth-form input:focus {
    outline: none;
    border-color: var(--border-focus);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.auth-form input:disabled {
    background: #f5f5f5;
    cursor: not-allowed;
}

.form-help {
    display: block;
    margin-top: 5px;
    font-size: 0.85em;
    color: var(--text-secondary);
}

.auth-footer {
    text-align: center;
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--border-light);
}

.auth-footer a {
    color: var(--primary-purple);
    text-decoration: none;
    font-weight: 500;
}

.auth-footer a:hover {
    text-decoration: underline;
}

.auth-notice {
    margin-top: var(--spacing-lg);
    padding: var(--spacing-md);
    background: var(--bg-light);
    border-radius: var(--radius-sm);
    font-size: 0.9em;
}

.auth-notice ol {
    margin-left: var(--spacing-md);
    margin-top: var(--spacing-xs);
}

/* Error List */
.error-list {
    margin-bottom: var(--spacing-md);
}

.error-item {
    background: #fce4e4;
    color: var(--danger-red);
    padding: var(--spacing-sm);
    border-radius: var(--radius-sm);
    margin-bottom: var(--spacing-xs);
    font-size: 0.9em;
}

/* ==========================================================================
   2FA Setup
   ========================================================================== */

.twofa-setup {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.twofa-instructions h3 {
    margin-bottom: var(--spacing-md);
    color: var(--text-dark);
}

.twofa-instructions ol {
    margin-left: var(--spacing-md);
}

.twofa-instructions li {
    margin-bottom: var(--spacing-sm);
}

.twofa-instructions ul {
    margin-left: var(--spacing-md);
    margin-top: var(--spacing-xs);
    list-style-type: disc;
}

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

.qr-code {
    max-width: 200px;
    border: 2px solid var(--border-light);
    border-radius: var(--radius-sm);
}

.manual-entry {
    margin-top: var(--spacing-md);
    font-size: 0.9em;
    color: var(--text-secondary);
}

.secret-key {
    display: block;
    margin-top: var(--spacing-xs);
    padding: var(--spacing-sm);
    background: var(--bg-light);
    border-radius: var(--radius-sm);
    font-family: monospace;
    font-size: 0.85em;
    word-break: break-all;
}

.twofa-form {
    max-width: 300px;
    margin: 0 auto;
}

/* ==========================================================================
   Pending Approval Page
   ========================================================================== */

.pending-icon {
    font-size: 4em;
    margin-bottom: var(--spacing-md);
}

.pending-content {
    text-align: left;
}

.pending-content p {
    margin-bottom: var(--spacing-md);
    color: var(--text-secondary);
}

.pending-info {
    background: var(--bg-light);
    padding: var(--spacing-md);
    border-radius: var(--radius-sm);
    margin-top: var(--spacing-md);
}

.pending-info h4 {
    margin-bottom: var(--spacing-sm);
    color: var(--text-dark);
}

.pending-info ul {
    margin-left: var(--spacing-md);
}

/* ==========================================================================
   Buttons
   ========================================================================== */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: var(--spacing-sm) var(--spacing-lg);
    border: none;
    border-radius: var(--radius-full);
    font-size: 1em;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
}

.btn:hover {
    transform: translateY(-2px);
}

.btn-block {
    width: 100%;
}

.btn-sm {
    padding: 6px 14px;
    font-size: 0.85em;
    min-width: 80px;
    height: 32px;
}

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

.btn-primary:hover {
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.4);
}

a.btn {
    font-weight: 600;
    text-decoration: none;
}

a.btn-primary,
a.btn-primary:hover,
a.btn-primary:visited {
    color: white;
}

.btn-success {
    background: var(--gradient-success);
    color: white;
}

.btn-success:hover {
    box-shadow: 0 5px 15px rgba(39, 174, 96, 0.4);
}

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

.btn-danger:hover {
    box-shadow: 0 5px 15px rgba(231, 76, 60, 0.4);
}

.btn-warning {
    background: var(--gradient-warning);
    color: white;
}

.btn-warning:hover {
    box-shadow: 0 5px 15px rgba(243, 156, 18, 0.4);
}

.btn-secondary {
    background: linear-gradient(135deg, #95a5a6 0%, #7f8c8d 100%);
    color: white;
}

.btn-secondary:hover {
    box-shadow: 0 5px 15px rgba(127, 140, 141, 0.4);
}

.btn-link {
    background: none;
    border: none;
    color: var(--primary-purple);
    cursor: pointer;
    font-size: 1em;
    text-decoration: underline;
}

/* ==========================================================================
   Badges
   ========================================================================== */

.badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 6px 14px;
    border-radius: var(--radius-full);
    font-size: 0.85em;
    font-weight: 600;
    min-width: 80px;
    height: 32px;
}

.badge-admin {
    background: var(--gradient-primary);
    color: white;
}

.badge-user {
    background: var(--info-blue);
    color: white;
}

.badge-approved {
    background: var(--success-green);
    color: white;
}

.badge-pending {
    background: var(--warning-orange);
    color: white;
}

.badge-disabled {
    background: var(--danger-red);
    color: white;
}

.badge-success {
    background: #d5f4e6;
    color: var(--success-green);
}

.badge-warning {
    background: #fef3cd;
    color: #856404;
}

/* ==========================================================================
   Page Container
   ========================================================================== */

.page-container {
    max-width: 1400px;
    margin: 0 auto;
    background: white;
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-lg);
}

.page-header {
    margin-bottom: var(--spacing-lg);
}

.page-header h1 {
    font-size: 2em;
    color: var(--text-dark);
    margin-bottom: var(--spacing-xs);
}

.page-header .subtitle {
    color: var(--text-secondary);
}

/* ==========================================================================
   Stats Grid (Admin Dashboard)
   ========================================================================== */

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.stat-card {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    color: white;
}

.stat-pending { background: var(--gradient-warning); }
.stat-approved { background: var(--gradient-success); }
.stat-disabled { background: var(--gradient-danger); }
.stat-total { background: var(--gradient-primary); }

.stat-icon {
    font-size: 2.5em;
    opacity: 0.9;
}

.stat-value {
    font-size: 2.5em;
    font-weight: 700;
    line-height: 1;
}

.stat-label {
    font-size: 0.9em;
    opacity: 0.9;
    margin-top: 5px;
}

/* ==========================================================================
   Sections
   ========================================================================== */

.section {
    margin-bottom: var(--spacing-lg);
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
}

.section-header h2 {
    font-size: 1.4em;
    color: var(--text-dark);
}

/* ==========================================================================
   Tables
   ========================================================================== */

.table-container {
    overflow-x: auto;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
}

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

thead tr {
    background: var(--gradient-primary);
}

th {
    background: transparent;
    color: white;
    padding: 18px 15px;
    text-align: left;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-size: 0.85em;
}

td {
    padding: 15px;
    border-bottom: 1px solid var(--border-light);
    vertical-align: middle;
}

tr:hover {
    background-color: #f0f4ff;
}

tr:nth-child(even) {
    background-color: #fafbfc;
}

tr:nth-child(even):hover {
    background-color: #f0f4ff;
}

.actions {
    display: flex;
    gap: var(--spacing-xs);
    flex-wrap: wrap;
}

/* ==========================================================================
   Filters
   ========================================================================== */

.filters {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
    padding: var(--spacing-md);
    background: var(--bg-light);
    border-radius: var(--radius-sm);
}

.filter-group {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.filter-group label {
    font-weight: 600;
    color: var(--text-dark);
}

.filter-group select {
    padding: var(--spacing-sm) var(--spacing-md);
    border: 2px solid var(--border-light);
    border-radius: var(--radius-sm);
    font-size: 1em;
    background: white;
    cursor: pointer;
}

.filter-info {
    color: var(--text-secondary);
    font-size: 0.9em;
}

/* ==========================================================================
   Empty State
   ========================================================================== */

.empty-state {
    text-align: center;
    padding: var(--spacing-xl) * 2;
    color: var(--text-secondary);
}

.empty-icon {
    font-size: 4em;
    margin-bottom: var(--spacing-md);
    opacity: 0.5;
}

.empty-state h3 {
    margin-bottom: var(--spacing-sm);
    color: var(--text-dark);
}

/* ==========================================================================
   Quick Links
   ========================================================================== */

.quick-links {
    margin-top: var(--spacing-lg);
}

.quick-links h3 {
    margin-bottom: var(--spacing-md);
    color: var(--text-dark);
}

.link-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
}

.quick-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    background: var(--bg-card);
    border: 2px solid var(--border-light);
    border-radius: var(--radius-md);
    text-decoration: none;
    color: var(--text-dark);
    transition: all 0.3s ease;
}

.quick-link:hover {
    border-color: var(--primary-purple);
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
}

.link-icon {
    font-size: 1.5em;
}

.link-text {
    font-weight: 600;
}

/* ==========================================================================
   Edit Page
   ========================================================================== */

.edit-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
}

.edit-section {
    background: var(--bg-light);
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
}

.edit-section h3 {
    margin-bottom: var(--spacing-md);
    color: var(--text-dark);
    padding-bottom: var(--spacing-sm);
    border-bottom: 2px solid var(--border-light);
}

.edit-form .form-group,
.password-form .form-group {
    margin-bottom: var(--spacing-md);
}

.edit-form label,
.password-form label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: 600;
    color: var(--text-dark);
}

.edit-form input,
.edit-form select,
.password-form input {
    width: 100%;
    padding: var(--spacing-sm) 15px;
    border: 2px solid var(--border-light);
    border-radius: var(--radius-sm);
    font-size: 1em;
    background: white;
}

.edit-form input:focus,
.edit-form select:focus,
.password-form input:focus {
    outline: none;
    border-color: var(--border-focus);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.security-info {
    margin-bottom: var(--spacing-lg);
}

.info-row {
    display: flex;
    justify-content: space-between;
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid var(--border-light);
}

.info-label {
    font-weight: 600;
    color: var(--text-secondary);
}

.security-action {
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--border-light);
}

.security-action h4 {
    margin-bottom: var(--spacing-xs);
    color: var(--text-dark);
}

.security-action p {
    color: var(--text-secondary);
    font-size: 0.9em;
    margin-bottom: var(--spacing-sm);
}

.password-form {
    margin-top: var(--spacing-sm);
}

.danger-zone {
    background: #fce4e4;
    margin: var(--spacing-lg) calc(-1 * var(--spacing-lg)) calc(-1 * var(--spacing-lg));
    padding: var(--spacing-lg);
    border-radius: 0 0 var(--radius-md) var(--radius-md);
}

.danger-zone h4 {
    color: var(--danger-red);
}

/* ==========================================================================
   Dashboard
   ========================================================================== */

.dashboard-content {
    display: grid;
    gap: var(--spacing-lg);
}

.welcome-card {
    background: var(--bg-card);
    border: 2px solid var(--border-light);
    border-radius: var(--radius-md);
    padding: var(--spacing-xl);
    text-align: center;
}

.welcome-icon {
    font-size: 4em;
    margin-bottom: var(--spacing-md);
}

.welcome-card h2 {
    margin-bottom: var(--spacing-sm);
}

.admin-notice {
    margin-top: var(--spacing-lg);
    padding: var(--spacing-lg);
    background: var(--bg-light);
    border-radius: var(--radius-sm);
    text-align: left;
}

.admin-notice ul {
    margin: var(--spacing-sm) 0 var(--spacing-md) var(--spacing-lg);
}

.info-cards {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
}

.info-card {
    background: var(--bg-card);
    border: 2px solid var(--border-light);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
}

.info-card h3 {
    margin-bottom: var(--spacing-md);
    color: var(--text-dark);
}

.coming-soon {
    color: var(--text-secondary);
    font-style: italic;
}

/* ==========================================================================
   Responsive Design
   ========================================================================== */

@media (max-width: 1200px) {
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

@media (max-width: 768px) {
    .navbar {
        padding: 0 var(--spacing-md);
    }

    .nav-container {
        flex-direction: column;
        height: auto;
        padding: var(--spacing-md) 0;
        gap: var(--spacing-sm);
    }

    .nav-links {
        flex-wrap: wrap;
        justify-content: center;
    }

    .nav-user {
        border-left: none;
        margin-left: 0;
        padding-left: 0;
        padding-top: var(--spacing-sm);
        border-top: 1px solid rgba(255,255,255,0.3);
    }

    .main-content {
        padding: var(--spacing-md);
    }

    .page-container {
        padding: var(--spacing-md);
        border-radius: var(--radius-md);
    }

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

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

    .twofa-setup {
        grid-template-columns: 1fr;
    }

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

    .info-cards {
        grid-template-columns: 1fr;
    }

    .filters {
        flex-direction: column;
        align-items: stretch;
        gap: var(--spacing-sm);
    }

    .actions {
        flex-direction: column;
    }

    table {
        font-size: 0.9em;
    }

    th, td {
        padding: 10px 8px;
    }
}

@media (max-width: 480px) {
    .auth-card {
        padding: var(--spacing-lg);
    }

    .page-header h1 {
        font-size: 1.5em;
    }

    .stat-card {
        padding: var(--spacing-md);
    }

    .stat-value {
        font-size: 2em;
    }
}