/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary: #1a472a;
    --primary-light: #2a5f3a;
    --secondary: #ffd700;
    --success: #28a745;
    --danger: #dc3545;
    --warning: #ffc107;
    --info: #17a2b8;
    --dark: #212529;
    --light: #f8f9fa;
    --white: #ffffff;
    --gray: #6c757d;
    --gray-light: #e9ecef;
    --border-radius: 8px;
    --transition: all 0.3s ease;
    --shadow: 0 2px 8px rgba(0,0,0,0.1);
    --shadow-lg: 0 4px 16px rgba(0,0,0,0.15);
}

body {
    font-family: 'Inter', sans-serif;
    font-size: 14px;
    line-height: 1.6;
    color: var(--dark);
    background: var(--light);
    overflow-x: hidden;
}

/* Toast Notification */
.toast {
    position: fixed;
    top: 20px;
    right: 20px;
    min-width: 300px;
    padding: 16px 20px;
    background: var(--white);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    z-index: 10000;
    transform: translateX(400px);
    opacity: 0;
    transition: var(--transition);
}

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

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

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

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

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

/* 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: 9999;
}

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

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

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

/* Page System */
.page {
    display: none;
    min-height: 100vh;
}

.page.active {
    display: block;
}

/* Login/Register Pages */
.login-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    padding: 20px;
}

.login-card {
    background: var(--white);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    width: 100%;
    max-width: 450px;
    padding: 40px;
    animation: fadeInUp 0.5s ease;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.login-header {
    text-align: center;
    margin-bottom: 30px;
}

.login-header i {
    font-size: 48px;
    color: var(--primary);
    margin-bottom: 10px;
}

.login-header h1 {
    font-size: 28px;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 5px;
}

.login-header p {
    color: var(--gray);
    font-size: 14px;
}

.login-form {
    margin-bottom: 20px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--dark);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--gray-light);
    border-radius: var(--border-radius);
    font-size: 14px;
    font-family: inherit;
    transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(26, 71, 42, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 80px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
}

.form-options {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.checkbox {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
}

.checkbox input[type="checkbox"] {
    width: auto;
    cursor: pointer;
}

.forgot-password {
    color: var(--primary);
    text-decoration: none;
    font-size: 13px;
}

.forgot-password:hover {
    text-decoration: underline;
}

.login-footer {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid var(--gray-light);
}

.login-footer p {
    color: var(--gray);
    font-size: 14px;
}

.login-footer a {
    color: var(--primary);
    font-weight: 600;
    text-decoration: none;
}

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

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    border: none;
    border-radius: var(--border-radius);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    white-space: nowrap;
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

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

.btn-primary:hover:not(:disabled) {
    background: var(--primary-light);
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

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

.btn-secondary:hover:not(:disabled) {
    background: #5a6268;
}

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

.btn-success:hover:not(:disabled) {
    background: #218838;
}

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

.btn-danger:hover:not(:disabled) {
    background: #c82333;
}

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

.btn-warning:hover:not(:disabled) {
    background: #e0a800;
}

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

.btn-info:hover:not(:disabled) {
    background: #138496;
}

.btn-sm {
    padding: 6px 12px;
    font-size: 13px;
}

.btn-block {
    width: 100%;
    justify-content: center;
}

/* Main App Layout */
.main-app {
    display: none;
    min-height: 100vh;
}

.main-app.active {
    display: block;
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 60px;
    background: var(--white);
    border-bottom: 1px solid var(--gray-light);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 20px;
    z-index: 1000;
}

.header-left {
    display: flex;
    align-items: center;
    gap: 15px;
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 24px;
    color: var(--dark);
    cursor: pointer;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 20px;
    font-weight: 700;
    color: var(--primary);
}

.logo i {
    font-size: 28px;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 15px;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 15px;
}

.user-info span {
    font-weight: 600;
    color: var(--dark);
}

/* Sidebar */
.sidebar {
    position: fixed;
    top: 60px;
    left: 0;
    width: 260px;
    height: calc(100vh - 60px);
    background: var(--white);
    border-right: 1px solid var(--gray-light);
    padding: 20px 0;
    overflow-y: auto;
    z-index: 999;
    transition: var(--transition);
}

.sidebar-nav {
    display: flex;
    flex-direction: column;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 20px;
    color: var(--dark);
    text-decoration: none;
    transition: var(--transition);
    border-left: 3px solid transparent;
}

.nav-item:hover {
    background: var(--light);
    color: var(--primary);
}

.nav-item.active {
    background: rgba(26, 71, 42, 0.1);
    color: var(--primary);
    border-left-color: var(--primary);
    font-weight: 600;
}

.nav-item i {
    font-size: 18px;
    width: 20px;
}

/* Main Content */
.main-content {
    margin-left: 260px;
    margin-top: 60px;
    padding: 30px;
    min-height: calc(100vh - 60px);
}

.content-section {
    display: none;
    animation: fadeIn 0.3s ease;
}

.content-section.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
}

.section-header h2 {
    font-size: 24px;
    font-weight: 700;
    color: var(--dark);
    display: flex;
    align-items: center;
    gap: 10px;
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.stat-card {
    background: var(--white);
    border-radius: var(--border-radius);
    padding: 20px;
    box-shadow: var(--shadow);
    display: flex;
    align-items: center;
    gap: 15px;
    transition: var(--transition);
}

.stat-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.stat-icon {
    width: 60px;
    height: 60px;
    border-radius: var(--border-radius);
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
}

.stat-info h3 {
    font-size: 32px;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 5px;
}

.stat-info p {
    color: var(--gray);
    font-size: 14px;
}

/* Dashboard Content */
.dashboard-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.recent-matches,
.upcoming-matches {
    background: var(--white);
    border-radius: var(--border-radius);
    padding: 20px;
    box-shadow: var(--shadow);
}

.recent-matches h3,
.upcoming-matches h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--dark);
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.matches-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

/* Filters */
.filters {
    display: flex;
    gap: 15px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.filters select,
.filters .search-input {
    padding: 10px 15px;
    border: 1px solid var(--gray-light);
    border-radius: var(--border-radius);
    font-size: 14px;
    background: var(--white);
}

.search-input {
    flex: 1;
    min-width: 250px;
}

/* Cards Grid */
.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 20px;
}

.card {
    background: var(--white);
    border-radius: var(--border-radius);
    padding: 20px;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 15px;
}

.card-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--dark);
    margin-bottom: 5px;
}

.card-subtitle {
    font-size: 13px;
    color: var(--gray);
}

.card-actions {
    display: flex;
    gap: 8px;
}

.card-body {
    margin-bottom: 15px;
}

.card-info {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.card-info-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--gray);
}

.card-info-item i {
    width: 16px;
    color: var(--primary);
}

.card-footer {
    display: flex;
    gap: 10px;
    padding-top: 15px;
    border-top: 1px solid var(--gray-light);
}

/* Badge */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 4px 10px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 600;
}

.badge-success {
    background: rgba(40, 167, 69, 0.1);
    color: var(--success);
}

.badge-warning {
    background: rgba(255, 193, 7, 0.1);
    color: #d39e00;
}

.badge-danger {
    background: rgba(220, 53, 69, 0.1);
    color: var(--danger);
}

.badge-info {
    background: rgba(23, 162, 184, 0.1);
    color: var(--info);
}

.badge-primary {
    background: rgba(26, 71, 42, 0.1);
    color: var(--primary);
}

/* Table */
.table-container {
    background: var(--white);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    overflow-x: auto;
}

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

thead {
    background: var(--light);
}

th {
    padding: 15px;
    text-align: left;
    font-weight: 600;
    color: var(--dark);
    font-size: 13px;
    text-transform: uppercase;
    border-bottom: 2px solid var(--gray-light);
}

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

tbody tr:hover {
    background: var(--light);
}

/* Tabs */
.tabs {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
    border-bottom: 2px solid var(--gray-light);
}

.tab-btn {
    padding: 12px 20px;
    border: none;
    background: none;
    color: var(--gray);
    font-weight: 600;
    cursor: pointer;
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
    transition: var(--transition);
}

.tab-btn:hover {
    color: var(--primary);
}

.tab-btn.active {
    color: var(--primary);
    border-bottom-color: var(--primary);
}

.tab-content {
    background: var(--white);
    border-radius: var(--border-radius);
    padding: 20px;
    box-shadow: var(--shadow);
}

.tab-pane {
    display: none;
}

.tab-pane.active {
    display: block;
}

/* Admin Tabs */
.admin-tabs {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
}

.admin-tab-btn {
    padding: 12px 24px;
    border: none;
    background: var(--white);
    color: var(--dark);
    font-weight: 600;
    cursor: pointer;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.admin-tab-btn:hover {
    background: var(--light);
}

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

.admin-content {
    animation: fadeIn 0.3s ease;
}

.admin-pane {
    display: none;
}

.admin-pane.active {
    display: block;
}

.admin-actions {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

.mb-3 {
    margin-bottom: 15px;
}

/* Stats List */
.stats-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.stats-item {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 15px;
    background: var(--light);
    border-radius: var(--border-radius);
}

.stats-item .position {
    font-size: 20px;
    font-weight: 700;
    color: var(--primary);
    min-width: 30px;
}

.stats-item .info {
    flex: 1;
}

.stats-item .info h4 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 3px;
}

.stats-item .info p {
    font-size: 13px;
    color: var(--gray);
}

.stats-item .value {
    font-size: 24px;
    font-weight: 700;
    color: var(--primary);
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.5);
    z-index: 2000;
    align-items: center;
    justify-content: center;
    padding: 20px;
    overflow-y: auto;
}

.modal.show {
    display: flex;
}

.modal-content {
    background: var(--white);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    width: 100%;
    max-width: 600px;
    max-height: 90vh;
    overflow-y: auto;
    animation: modalSlideDown 0.3s ease;
}

.modal-large {
    max-width: 800px;
}

@keyframes modalSlideDown {
    from {
        opacity: 0;
        transform: translateY(-50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    border-bottom: 1px solid var(--gray-light);
}

.modal-header h3 {
    font-size: 20px;
    font-weight: 700;
    color: var(--dark);
    display: flex;
    align-items: center;
    gap: 10px;
}

.modal-close {
    background: none;
    border: none;
    font-size: 28px;
    color: var(--gray);
    cursor: pointer;
    line-height: 1;
}

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

.modal form {
    padding: 20px;
}

.modal h4 {
    font-size: 16px;
    font-weight: 600;
    color: var(--dark);
    margin: 20px 0 15px 0;
    padding-top: 15px;
    border-top: 1px solid var(--gray-light);
}

.modal h4:first-child {
    margin-top: 0;
    padding-top: 0;
    border-top: none;
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
    padding: 20px;
    border-top: 1px solid var(--gray-light);
    background: var(--light);
}

.doc-checklist {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.form-hint {
    font-size: 12px;
    color: var(--gray);
    margin-top: 5px;
}

/* Responsive */
@media (max-width: 992px) {
    .sidebar {
        transform: translateX(-260px);
    }

    .sidebar.open {
        transform: translateX(0);
    }

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

    .menu-toggle {
        display: block;
    }

    .dashboard-content {
        grid-template-columns: 1fr;
    }

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

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

@media (max-width: 768px) {
    .header {
        padding: 0 15px;
    }

    .main-content {
        padding: 20px 15px;
    }

    .section-header {
        flex-direction: column;
        gap: 15px;
        align-items: flex-start;
    }

    .section-header .btn {
        width: 100%;
    }

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

    .filters {
        flex-direction: column;
    }

    .filters select,
    .filters .search-input {
        width: 100%;
    }

    .admin-tabs {
        overflow-x: auto;
        flex-wrap: nowrap;
    }

    .admin-actions {
        flex-direction: column;
    }

    .admin-actions .btn {
        width: 100%;
    }

    .modal-content {
        max-width: 100%;
        max-height: 100vh;
        border-radius: 0;
    }
}

@media (max-width: 480px) {
    .login-card {
        padding: 30px 20px;
    }

    .logo span {
        display: none;
    }

    .user-info span {
        display: none;
    }
}