/* Admin Panel Styles */

:root {
    --primary-blue: #1e40af;
    --primary-red: #dc2626;
    --dark: #0f172a;
    --dark-gray: #1e293b;
    --gray: #64748b;
    --light-gray: #f1f5f9;
    --white: #ffffff;
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;

    --gradient-primary: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-red) 100%);

    --sidebar-width: 260px;
    --header-height: 70px;

    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);

    --transition: all 0.3s ease;
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--light-gray);
    color: var(--dark);
}

/* ===== Loading Overlay ===== */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 10000;
}

.loading-overlay.active {
    display: flex;
}

.spinner {
    width: 50px;
    height: 50px;
    border: 4px solid rgba(255, 255, 255, 0.3);
    border-top-color: var(--white);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

/* ===== Login Screen ===== */
.login-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    padding: 2rem;
}

.login-box {
    background: var(--white);
    border-radius: 1rem;
    padding: 3rem;
    width: 100%;
    max-width: 450px;
    box-shadow: var(--shadow-lg);
}

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

.login-logo {
    width: 80px;
    height: 80px;
    margin: 0 auto 1rem;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    color: var(--white);
}

.login-header h1 {
    font-size: 1.75rem;
    margin-bottom: 0.5rem;
}

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

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

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

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

.login-form input {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 2px solid var(--light-gray);
    border-radius: 0.5rem;
    font-size: 1rem;
    transition: var(--transition);
}

.login-form input:focus {
    outline: none;
    border-color: var(--primary-blue);
}

.error-message {
    background: #fee2e2;
    color: var(--danger);
    padding: 0.75rem;
    border-radius: 0.5rem;
    margin-bottom: 1rem;
    display: none;
}

.error-message.active {
    display: block;
}

.login-footer {
    margin-top: 2rem;
    text-align: center;
    color: var(--gray);
}

/* ===== Admin Dashboard ===== */
.admin-container {
    display: grid;
    grid-template-columns: var(--sidebar-width) 1fr;
    min-height: 100vh;
}

/* Sidebar */
.sidebar {
    background: var(--dark);
    color: var(--white);
    display: flex;
    flex-direction: column;
    position: fixed;
    left: 0;
    top: 0;
    bottom: 0;
    width: var(--sidebar-width);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.25rem;
    font-weight: bold;
}

.logo i {
    font-size: 1.75rem;
    color: var(--primary-blue);
}

.sidebar-nav {
    flex: 1;
    padding: 1rem 0;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem 1.5rem;
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: var(--transition);
}

.nav-item:hover {
    background: rgba(255, 255, 255, 0.05);
    color: var(--white);
}

.nav-item.active {
    background: var(--gradient-primary);
    color: var(--white);
}

.nav-item i {
    font-size: 1.25rem;
    width: 24px;
    text-align: center;
}

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

.btn-logout {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem;
    background: rgba(255, 255, 255, 0.1);
    border: none;
    color: var(--white);
    border-radius: 0.5rem;
    cursor: pointer;
    transition: var(--transition);
}

.btn-logout:hover {
    background: var(--danger);
}

/* Main Content */
.main-content {
    margin-left: var(--sidebar-width);
}

.content-header {
    background: var(--white);
    padding: 1.5rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: var(--shadow-sm);
}

.content-header h1 {
    font-size: 1.75rem;
}

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

.user-info i {
    font-size: 2rem;
    color: var(--primary-blue);
}

.content-body {
    padding: 2rem;
}

/* Pages */
.page {
    display: none;
}

.page.active {
    display: block;
}

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

.stat-card {
    background: var(--white);
    border-radius: 0.75rem;
    padding: 1.5rem;
    display: flex;
    align-items: center;
    gap: 1.5rem;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.stat-icon {
    width: 60px;
    height: 60px;
    border-radius: 0.75rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    color: var(--white);
}

.stat-card.blue .stat-icon {
    background: var(--primary-blue);
}

.stat-card.red .stat-icon {
    background: var(--primary-red);
}

.stat-card.green .stat-icon {
    background: var(--success);
}

.stat-card.orange .stat-icon {
    background: var(--warning);
}

.stat-info h3 {
    font-size: 2rem;
    margin-bottom: 0.25rem;
}

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

/* Recent Section */
.recent-section {
    background: var(--white);
    border-radius: 0.75rem;
    padding: 1.5rem;
    box-shadow: var(--shadow-md);
}

.recent-section h2 {
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid var(--light-gray);
}

/* Page Actions */
.page-actions {
    margin-bottom: 1.5rem;
}

/* Items List */
.items-list, .tournament-list {
    display: grid;
    gap: 1rem;
}

.item-card, .tournament-item {
    background: var(--white);
    border-radius: 0.75rem;
    padding: 1.5rem;
    box-shadow: var(--shadow-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: var(--transition);
}

.item-card:hover, .tournament-item:hover {
    box-shadow: var(--shadow-lg);
}

.item-info h3 {
    margin-bottom: 0.5rem;
}

.item-meta {
    display: flex;
    gap: 1.5rem;
    color: var(--gray);
    font-size: 0.875rem;
}

.item-meta span {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.item-actions {
    display: flex;
    gap: 0.5rem;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border-radius: 0.5rem;
    border: none;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
}

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

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

.btn-secondary {
    background: var(--light-gray);
    color: var(--dark);
}

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

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

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

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

/* Modal */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    padding: 2rem;
}

.modal.active {
    display: flex;
}

.modal-content {
    background: var(--white);
    border-radius: 1rem;
    width: 100%;
    max-width: 600px;
    max-height: 90vh;
    overflow-y: auto;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem;
    border-bottom: 2px solid var(--light-gray);
}

.modal-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--gray);
    cursor: pointer;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 0.5rem;
    transition: var(--transition);
}

.modal-close:hover {
    background: var(--light-gray);
    color: var(--dark);
}

.modal-content form {
    padding: 1.5rem;
}

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

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

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 2px solid var(--light-gray);
    border-radius: 0.5rem;
    font-size: 1rem;
    font-family: inherit;
    transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-blue);
}

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

.modal-actions {
    display: flex;
    gap: 1rem;
    justify-content: flex-end;
    padding: 1.5rem;
    border-top: 2px solid var(--light-gray);
}

/* Section Card */
.section-card {
    background: var(--white);
    border-radius: 0.75rem;
    padding: 1.5rem;
    box-shadow: var(--shadow-md);
}

.section-card h2 {
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid var(--light-gray);
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.section-header-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid var(--light-gray);
}

.section-header-row h2 {
    margin: 0;
    padding: 0;
    border: none;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

/* Pending User Card */
.pending-user-card {
    background: #fef3c7;
    border-left: 4px solid var(--warning);
}

/* User Role Badges */
.role-badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: 1rem;
    font-size: 0.75rem;
    font-weight: 600;
}

.role-super_admin {
    background: #fee2e2;
    color: var(--danger);
}

.role-organizer {
    background: #dbeafe;
    color: var(--primary-blue);
}

.role-scorekeeper {
    background: #d1fae5;
    color: var(--success);
}

/* Status Badges */
.status-badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: 1rem;
    font-size: 0.75rem;
    font-weight: 600;
}

.status-pending {
    background: #fef3c7;
    color: var(--warning);
}

.status-approved {
    background: #d1fae5;
    color: var(--success);
}

.status-rejected {
    background: #fee2e2;
    color: var(--danger);
}

/* Utilities */
.text-muted {
    color: var(--gray);
}

.badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: 1rem;
    font-size: 0.75rem;
    font-weight: 600;
}

.badge-upcoming {
    background: #dbeafe;
    color: var(--primary-blue);
}

.badge-active {
    background: #d1fae5;
    color: var(--success);
}

.badge-completed {
    background: #e5e7eb;
    color: var(--gray);
}

/* Responsive */
@media (max-width: 768px) {
    .admin-container {
        grid-template-columns: 1fr;
    }

    .sidebar {
        width: 100%;
        position: relative;
    }

    .main-content {
        margin-left: 0;
    }

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

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