/* ========================================
   Dev-Line License Manager - Admin Styles
   ======================================== */

:root {
    --primary-color: #667eea;
    --primary-dark: #5a67d8;
    --secondary-color: #764ba2;
    --success-color: #48bb78;
    --warning-color: #ed8936;
    --danger-color: #f56565;
    --info-color: #4299e1;
    
    --gray-100: #f7fafc;
    --gray-200: #edf2f7;
    --gray-300: #e2e8f0;
    --gray-400: #cbd5e0;
    --gray-500: #a0aec0;
    --gray-600: #718096;
    --gray-700: #4a5568;
    --gray-800: #2d3748;
    --gray-900: #1a202c;
    
    --sidebar-width: 260px;
    --header-height: 70px;
    
    --border-radius: 8px;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.1);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 15px rgba(0,0,0,0.1);
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--gray-100);
    color: var(--gray-800);
    line-height: 1.6;
}

/* ========================================
   LOGIN PAGE
   ======================================== */

.login-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    padding: 2rem;
}

.login-box {
    background: white;
    border-radius: 16px;
    padding: 3rem;
    width: 100%;
    max-width: 420px;
    box-shadow: 0 25px 50px rgba(0,0,0,0.25);
}

.login-header {
    text-align: center;
    margin-bottom: 2.5rem;
}

.login-header i {
    font-size: 4rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.login-header h1 {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 0.5rem;
}

.login-header p {
    color: var(--gray-500);
}

.login-form .form-group {
    margin-bottom: 1.5rem;
}

.login-form label {
    display: block;
    font-weight: 500;
    margin-bottom: 0.5rem;
    color: var(--gray-700);
}

.login-form label i {
    color: var(--primary-color);
    margin-right: 0.5rem;
}

.login-form input {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 2px solid var(--gray-200);
    border-radius: var(--border-radius);
    font-size: 1rem;
    transition: all 0.3s;
}

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

.password-input {
    position: relative;
}

.toggle-password {
    position: absolute;
    right: 1rem;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--gray-400);
    cursor: pointer;
    font-size: 1rem;
}

.toggle-password:hover {
    color: var(--gray-600);
}

.login-footer {
    text-align: center;
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid var(--gray-200);
    color: var(--gray-500);
    font-size: 0.875rem;
}

/* ========================================
   SIDEBAR
   ======================================== */

.sidebar {
    position: fixed;
    left: 0;
    top: 0;
    width: var(--sidebar-width);
    height: 100vh;
    background: var(--gray-900);
    color: white;
    display: flex;
    flex-direction: column;
    z-index: 100;
}

.sidebar-header {
    padding: 2rem 1.5rem;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.sidebar-header h1 {
    font-size: 1.5rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.sidebar-header h1 i {
    color: var(--primary-color);
}

.sidebar-header p {
    font-size: 0.875rem;
    color: var(--gray-400);
    margin-top: 0.25rem;
}

.sidebar-nav {
    flex: 1;
    padding: 1.5rem 1rem;
    overflow-y: auto;
}

.sidebar-nav a {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.875rem 1rem;
    color: var(--gray-400);
    text-decoration: none;
    border-radius: var(--border-radius);
    transition: all 0.3s;
    margin-bottom: 0.5rem;
}

.sidebar-nav a:hover,
.sidebar-nav a.active {
    background: rgba(102, 126, 234, 0.2);
    color: white;
}

.sidebar-nav a.active {
    background: var(--primary-color);
}

.sidebar-nav a i {
    width: 20px;
    text-align: center;
}

.sidebar-footer {
    padding: 1.5rem;
    border-top: 1px solid rgba(255,255,255,0.1);
}

.user-info {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
    color: var(--gray-300);
}

.user-info i {
    font-size: 1.5rem;
}

.logout-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    width: 100%;
    padding: 0.625rem;
    background: rgba(255,255,255,0.1);
    color: var(--gray-300);
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: all 0.3s;
    text-decoration: none;
    font-size: 0.875rem;
}

.logout-btn:hover {
    background: rgba(245, 101, 101, 0.2);
    color: var(--danger-color);
}

/* ========================================
   MAIN CONTENT
   ======================================== */

.main-content {
    margin-left: var(--sidebar-width);
    min-height: 100vh;
    padding: 2rem;
}

.full-width {
    width: 100%;
    min-height: 100vh;
}

/* ========================================
   FLASH MESSAGES
   ======================================== */

.flash-messages {
    margin-bottom: 1.5rem;
}

.alert {
    padding: 1rem 1.25rem;
    border-radius: var(--border-radius);
    margin-bottom: 0.75rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    animation: slideIn 0.3s ease;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.alert-success {
    background: rgba(72, 187, 120, 0.1);
    border: 1px solid var(--success-color);
    color: #276749;
}

.alert-error {
    background: rgba(245, 101, 101, 0.1);
    border: 1px solid var(--danger-color);
    color: #c53030;
}

.alert-warning {
    background: rgba(237, 137, 54, 0.1);
    border: 1px solid var(--warning-color);
    color: #c05621;
}

.close-btn {
    background: none;
    border: none;
    font-size: 1.25rem;
    cursor: pointer;
    color: inherit;
    opacity: 0.5;
}

.close-btn:hover {
    opacity: 1;
}

/* ========================================
   PAGE HEADER
   ======================================== */

.page-header {
    margin-bottom: 2rem;
}

.page-header h1 {
    font-size: 1.875rem;
    font-weight: 700;
    color: var(--gray-900);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.5rem;
}

.page-header h1 i {
    color: var(--primary-color);
}

.subtitle {
    color: var(--gray-500);
    font-size: 1rem;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
}

.header-actions {
    display: flex;
    gap: 0.75rem;
}

/* ========================================
   STATS GRID
   ======================================== */

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: white;
    border-radius: 12px;
    padding: 1.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    box-shadow: var(--shadow-sm);
    transition: transform 0.3s, box-shadow 0.3s;
}

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

.stat-icon {
    width: 56px;
    height: 56px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: white;
}

.stat-icon.primary { background: var(--primary-color); }
.stat-icon.success { background: var(--success-color); }
.stat-icon.warning { background: var(--warning-color); }
.stat-icon.danger { background: var(--danger-color); }
.stat-icon.info { background: var(--info-color); }

.stat-info h3 {
    font-size: 1.875rem;
    font-weight: 700;
    color: var(--gray-900);
    line-height: 1;
}

.stat-info p {
    color: var(--gray-500);
    font-size: 0.875rem;
    margin-top: 0.25rem;
}

/* ========================================
   SECTIONS
   ======================================== */

.section {
    background: white;
    border-radius: 12px;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    box-shadow: var(--shadow-sm);
}

.section h2 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--gray-800);
    margin-bottom: 1.25rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.section h2 i {
    color: var(--primary-color);
}

/* ========================================
   BUTTONS
   ======================================== */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.625rem 1.25rem;
    border: none;
    border-radius: var(--border-radius);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s;
    text-decoration: none;
}

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

.btn-primary:hover {
    background: var(--primary-dark);
}

.btn-secondary {
    background: var(--gray-200);
    color: var(--gray-700);
}

.btn-secondary:hover {
    background: var(--gray-300);
}

.btn-outline {
    background: transparent;
    border: 1px solid var(--gray-300);
    color: var(--gray-600);
}

.btn-outline:hover {
    background: var(--gray-100);
    border-color: var(--gray-400);
}

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

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

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

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

.btn-block {
    width: 100%;
}

.btn-lg {
    padding: 0.875rem 1.5rem;
    font-size: 1rem;
}

.btn-sm {
    padding: 0.375rem 0.75rem;
    font-size: 0.75rem;
}

/* ========================================
   TABLES
   ======================================== */

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

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

.data-table th,
.data-table td {
    padding: 0.875rem 1rem;
    text-align: left;
    border-bottom: 1px solid var(--gray-200);
}

.data-table th {
    font-weight: 600;
    color: var(--gray-600);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    background: var(--gray-50);
}

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

.data-table code {
    font-family: 'Courier New', monospace;
    font-size: 0.875rem;
    background: var(--gray-100);
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
}

.empty-state {
    text-align: center;
    padding: 3rem !important;
    color: var(--gray-400);
}

.empty-state i {
    font-size: 3rem;
    margin-bottom: 1rem;
    display: block;
}

/* ========================================
   BADGES
   ======================================== */

.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 500;
}

.badge-lg {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

.badge-active {
    background: rgba(72, 187, 120, 0.1);
    color: var(--success-color);
}

.badge-suspended {
    background: rgba(237, 137, 54, 0.1);
    color: var(--warning-color);
}

.badge-expired,
.badge-cancelled {
    background: rgba(245, 101, 101, 0.1);
    color: var(--danger-color);
}

/* ========================================
   FORMS
   ======================================== */

.form-container {
    background: white;
    border-radius: 12px;
    padding: 2rem;
    box-shadow: var(--shadow-sm);
}

.form-section {
    margin-bottom: 2rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--gray-200);
}

.form-section:last-of-type {
    border-bottom: none;
}

.form-section h3 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--gray-800);
    margin-bottom: 1.25rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.form-section h3 i {
    color: var(--primary-color);
}

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

.form-group {
    margin-bottom: 1rem;
}

.form-group label {
    display: block;
    font-weight: 500;
    color: var(--gray-700);
    margin-bottom: 0.5rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.625rem 0.875rem;
    border: 1px solid var(--gray-300);
    border-radius: var(--border-radius);
    font-size: 0.875rem;
    transition: all 0.3s;
}

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

.help-text {
    display: block;
    font-size: 0.75rem;
    color: var(--gray-500);
    margin-top: 0.25rem;
}

.form-actions {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid var(--gray-200);
}

/* Duration Options */
.duration-options {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 1rem;
}

.duration-card {
    border: 2px solid var(--gray-200);
    border-radius: var(--border-radius);
    padding: 1rem;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s;
}

.duration-card:hover {
    border-color: var(--primary-color);
}

.duration-card input {
    display: none;
}

.duration-card input:checked + .duration-title,
.duration-card input:checked ~ .duration-title {
    color: var(--primary-color);
}

.duration-card:has(input:checked) {
    border-color: var(--primary-color);
    background: rgba(102, 126, 234, 0.05);
}

.duration-title {
    display: block;
    font-weight: 600;
    color: var(--gray-800);
    margin-bottom: 0.25rem;
}

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

.custom-days {
    margin-top: 0.5rem;
    padding: 0.375rem;
    width: 80px;
    text-align: center;
    border: 1px solid var(--gray-300);
    border-radius: 4px;
}

/* ========================================
   LICENSE DETAIL
   ======================================== */

.license-detail-card {
    background: white;
    border-radius: 12px;
    padding: 2rem;
    margin-bottom: 2rem;
    box-shadow: var(--shadow-sm);
}

.license-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--gray-200);
}

.license-key-display {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.license-key-display label {
    color: var(--gray-500);
    font-size: 0.875rem;
}

.license-key-display .key {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--primary-color);
    background: rgba(102, 126, 234, 0.1);
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius);
}

.license-info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1rem;
}

.info-item {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.info-item label {
    font-size: 0.75rem;
    color: var(--gray-500);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.info-item span {
    font-weight: 500;
    color: var(--gray-800);
}

.license-notes {
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--gray-200);
}

.license-notes label {
    color: var(--gray-500);
    font-size: 0.875rem;
    margin-bottom: 0.5rem;
    display: block;
}

.license-notes p {
    color: var(--gray-700);
    font-style: italic;
}

/* ========================================
   LOGS
   ======================================== */

.logs-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.log-item {
    display: flex;
    gap: 1rem;
    padding: 1rem;
    background: var(--gray-50);
    border-radius: var(--border-radius);
    border-left: 3px solid var(--success-color);
}

.log-item.log-error {
    border-left-color: var(--danger-color);
}

.log-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(72, 187, 120, 0.1);
    color: var(--success-color);
    flex-shrink: 0;
}

.log-item.log-error .log-icon {
    background: rgba(245, 101, 101, 0.1);
    color: var(--danger-color);
}

.log-content {
    flex: 1;
}

.log-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.25rem;
}

.log-action {
    font-weight: 600;
    color: var(--gray-800);
}

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

.log-details {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    font-size: 0.875rem;
    color: var(--gray-600);
}

.log-error-msg {
    color: var(--danger-color);
}

/* ========================================
   DANGER ZONE
   ======================================== */

.danger-zone {
    border: 1px solid var(--danger-color);
}

.danger-zone h2 {
    color: var(--danger-color);
}

.danger-zone h2 i {
    color: var(--danger-color);
}

/* ========================================
   FILTERS
   ======================================== */

.filters {
    background: white;
    border-radius: var(--border-radius);
    padding: 1rem;
    margin-bottom: 1.5rem;
    box-shadow: var(--shadow-sm);
}

.filter-form {
    display: flex;
    gap: 1rem;
    align-items: flex-end;
    flex-wrap: wrap;
}

.filter-group {
    flex: 1;
    min-width: 200px;
}

.filter-input,
.filter-select {
    width: 100%;
    padding: 0.625rem;
    border: 1px solid var(--gray-300);
    border-radius: var(--border-radius);
    font-size: 0.875rem;
}

/* ========================================
   PAGINATION
   ======================================== */

.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1rem;
    margin-top: 1.5rem;
}

.page-info {
    color: var(--gray-600);
    font-size: 0.875rem;
}

/* ========================================
   QUICK ACTIONS
   ======================================== */

.quick-actions {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.action-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 1.5rem;
    border-radius: var(--border-radius);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s;
}

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

.action-btn.secondary {
    background: var(--gray-100);
    color: var(--gray-700);
    border: 1px solid var(--gray-300);
}

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

.action-btn i {
    font-size: 1.25rem;
}

/* ========================================
   UTILITIES
   ======================================== */

.text-center { text-align: center; }
.text-success { color: var(--success-color); }
.text-warning { color: var(--warning-color); }
.text-danger { color: var(--danger-color); }
.text-muted { color: var(--gray-500); }

.action-buttons {
    display: flex;
    gap: 0.5rem;
}

/* Responsive */
@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
    }
    
    .main-content {
        margin-left: 0;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .header-content {
        flex-direction: column;
        gap: 1rem;
    }
    
    .form-actions {
        flex-direction: column;
    }
}