/* ===== CSS Variables / Theme ===== */
:root {
    --primary: #0066cc;
    --primary-dark: #004c99;
    --primary-light: #e6f0ff;
    --secondary: #6c757d;
    --success: #28a745;
    --danger: #dc3545;
    --warning: #ffc107;
    --info: #17a2b8;
    
    --bg-dark: #1a1d29;
    --bg-sidebar: #232838;
    --bg-card: #2a2f40;
    --bg-input: #363c4f;
    --bg-page: #0f1117;
    
    --text-primary: #ffffff;
    --text-secondary: #a0a6b8;
    --text-muted: #6c7293;
    
    --border-color: #3d4358;
    --border-radius: 12px;
    --border-radius-sm: 8px;
    
    --shadow: 0 4px 24px rgba(0, 0, 0, 0.3);
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.2);
    
    --sidebar-width: 260px;
    --header-height: 70px;
    
    --transition: all 0.2s ease;
}

/* ===== Reset & Base ===== */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html, body {
    height: 100%;
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    font-size: 15px;
    line-height: 1.5;
    background: var(--bg-page);
    color: var(--text-primary);
}

a {
    color: var(--primary);
    text-decoration: none;
    transition: var(--transition);
}

a:hover {
    color: var(--primary-dark);
}

/* ===== Layout ===== */
.page {
    display: flex;
    min-height: 100vh;
}

.sidebar {
    width: var(--sidebar-width);
    background: var(--bg-sidebar);
    display: flex;
    flex-direction: column;
    position: fixed;
    height: 100vh;
    left: 0;
    top: 0;
    border-right: 1px solid var(--border-color);
}

.sidebar-header {
    padding: 20px;
    border-bottom: 1px solid var(--border-color);
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

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

.logo-text {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-primary);
}

.sidebar-nav {
    flex: 1;
    padding: 16px 12px;
    overflow-y: auto;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    border-radius: var(--border-radius-sm);
    color: var(--text-secondary);
    font-weight: 500;
    transition: var(--transition);
    margin-bottom: 4px;
}

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

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

.nav-icon {
    font-size: 18px;
}

.nav-divider {
    height: 1px;
    background: var(--border-color);
    margin: 16px 0;
}

.sidebar-footer {
    padding: 16px;
    border-top: 1px solid var(--border-color);
}

.user-info {
    margin-bottom: 12px;
}

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

.btn-logout {
    width: 100%;
    padding: 10px;
    background: transparent;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    color: var(--text-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: var(--transition);
}

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

.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    padding: 32px;
    background: var(--bg-page);
    min-height: 100vh;
}

/* ===== Auth Pages ===== */
.auth-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--bg-page) 0%, var(--bg-dark) 100%);
    padding: 20px;
}

.auth-card {
    background: var(--bg-card);
    border-radius: var(--border-radius);
    padding: 40px;
    width: 100%;
    max-width: 420px;
    box-shadow: var(--shadow);
}

.auth-header {
    text-align: center;
    margin-bottom: 32px;
}

.auth-header .logo-icon {
    font-size: 48px;
    display: block;
    margin-bottom: 16px;
}

.auth-header h1 {
    font-size: 24px;
    margin-bottom: 8px;
}

.auth-header p {
    color: var(--text-secondary);
}

.auth-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.auth-footer {
    text-align: center;
    margin-top: 24px;
    color: var(--text-secondary);
}

/* ===== Forms ===== */
.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

label {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
}

.form-control {
    padding: 12px 16px;
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    color: var(--text-primary);
    font-size: 15px;
    transition: var(--transition);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-light);
}

.form-control::placeholder {
    color: var(--text-muted);
}

.validation-message {
    color: var(--danger);
    font-size: 13px;
}

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    border: none;
    border-radius: var(--border-radius-sm);
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

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

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

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

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

.btn-full {
    width: 100%;
}

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

/* ===== Alerts ===== */
.alert {
    padding: 12px 16px;
    border-radius: var(--border-radius-sm);
    font-size: 14px;
}

.alert-error {
    background: rgba(220, 53, 69, 0.15);
    border: 1px solid var(--danger);
    color: #ff6b7a;
}

.alert-success {
    background: rgba(40, 167, 69, 0.15);
    border: 1px solid var(--success);
    color: #5dd879;
}

/* ===== Dashboard ===== */
.dashboard {
    max-width: 1400px;
    margin: 0 auto;
}

.dashboard-header {
    margin-bottom: 32px;
}

.dashboard-header h1 {
    font-size: 28px;
    margin-bottom: 8px;
}

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

.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.dashboard-section {
    background: var(--bg-card);
    border-radius: var(--border-radius);
    padding: 24px;
}

.dashboard-section h2 {
    font-size: 18px;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 8px;
}

/* ===== Children Cards ===== */
.children-cards {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.child-card {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px;
    background: var(--bg-input);
    border-radius: var(--border-radius-sm);
}

.child-avatar {
    width: 48px;
    height: 48px;
    background: var(--primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 16px;
}

.child-info h3 {
    font-size: 16px;
    margin-bottom: 4px;
}

.child-info .team-name {
    font-size: 13px;
    color: var(--text-secondary);
}

.child-info .balance {
    margin-top: 8px;
    font-size: 14px;
}

.balance .label {
    color: var(--text-secondary);
}

.balance .value {
    font-weight: 600;
    margin-left: 8px;
}

.balance.positive .value {
    color: var(--success);
}

.balance.negative .value {
    color: var(--danger);
}

/* ===== Events List ===== */
.events-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.event-item {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 12px;
    background: var(--bg-input);
    border-radius: var(--border-radius-sm);
}

.event-date {
    text-align: center;
    min-width: 48px;
}

.event-date .day {
    font-size: 20px;
    font-weight: 700;
    display: block;
}

.event-date .month {
    font-size: 12px;
    color: var(--text-secondary);
    text-transform: uppercase;
}

.event-info {
    flex: 1;
}

.event-info h4 {
    font-size: 15px;
    margin-bottom: 4px;
}

.event-info p {
    font-size: 13px;
    color: var(--text-secondary);
}

.event-info .location {
    margin-top: 4px;
}

.event-type {
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 500;
}

.event-type.type-training {
    background: rgba(0, 102, 204, 0.2);
    color: #66b3ff;
}

.event-type.type-competition {
    background: rgba(220, 53, 69, 0.2);
    color: #ff6b7a;
}

.event-type.type-camp {
    background: rgba(40, 167, 69, 0.2);
    color: #5dd879;
}

/* ===== Votes List ===== */
.votes-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.vote-item {
    display: block;
    padding: 16px;
    background: var(--bg-input);
    border-radius: var(--border-radius-sm);
    transition: var(--transition);
}

.vote-item:hover {
    background: var(--bg-dark);
}

.vote-item h4 {
    font-size: 15px;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.vote-meta {
    display: flex;
    gap: 16px;
    font-size: 13px;
    color: var(--text-secondary);
}

.voted-badge {
    display: inline-block;
    margin-top: 8px;
    padding: 2px 8px;
    background: rgba(40, 167, 69, 0.2);
    color: var(--success);
    border-radius: 4px;
    font-size: 12px;
}

/* ===== Quick Actions ===== */
.quick-actions {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
}

.action-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    padding: 20px 16px;
    background: var(--bg-input);
    border-radius: var(--border-radius-sm);
    color: var(--text-primary);
    transition: var(--transition);
}

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

.action-btn .icon {
    font-size: 24px;
}

.action-btn span:last-child {
    font-size: 13px;
    font-weight: 500;
}

/* ===== Common ===== */
.view-all-link {
    display: block;
    text-align: center;
    margin-top: 16px;
    padding: 12px;
    color: var(--primary);
    font-size: 14px;
    font-weight: 500;
}

.view-all-link:hover {
    text-decoration: underline;
}

.loading-placeholder, .empty-state {
    padding: 32px;
    text-align: center;
    color: var(--text-muted);
}

.loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 200px;
    color: var(--text-secondary);
}

.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--border-color);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: 16px;
}

.spinner-small {
    width: 16px;
    height: 16px;
    border: 2px solid rgba(255,255,255,0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

.not-found {
    text-align: center;
    padding: 80px 20px;
}

.not-found h1 {
    font-size: 96px;
    color: var(--text-muted);
}

.not-found p {
    font-size: 18px;
    color: var(--text-secondary);
    margin: 16px 0 32px;
}

/* ===== Blazor Error UI ===== */
#blazor-error-ui {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 10000;
    padding: 12px 20px;
    background: var(--danger);
    color: white;
    text-align: center;
    font-size: 14px;
}

#blazor-error-ui .reload {
    color: white;
    font-weight: 600;
    text-decoration: underline;
    margin-left: 8px;
}

#blazor-error-ui .dismiss {
    cursor: pointer;
    margin-left: 16px;
    font-size: 18px;
}

/* ===== Empty Layout ===== */
.empty-layout {
    min-height: 100vh;
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
    .dashboard-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
        z-index: 1000;
    }
    
    .main-content {
        margin-left: 0;
        padding: 20px;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .quick-actions {
        grid-template-columns: 1fr;
    }
}