/* ============================================
   MyApp WebClient - Dark Theme Stylesheet
   Matches the admin dashboard aesthetic
   ============================================ */

/* CSS Variables */
:root {
    --bg-primary: #0f0f23;
    --bg-secondary: #1a1a2e;
    --bg-tertiary: #16213e;
    --bg-card: #1f2937;
    
    --text-primary: #e2e8f0;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    
    --accent-primary: #6366f1;
    --accent-secondary: #8b5cf6;
    --accent-success: #10b981;
    --accent-warning: #f59e0b;
    --accent-danger: #ef4444;
    
    --border-color: #334155;
    --border-radius: 8px;
    --border-radius-lg: 12px;
    
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.3);
    
    --transition-fast: 150ms ease;
    --transition-normal: 250ms ease;
}

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

html, body {
    margin: 0;
    padding: 0;
    font-family: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-primary);
    background: var(--bg-primary);
    min-height: 100vh;
}

h1, h2, h3, h4, h5, h6 {
    margin: 0 0 1rem;
    font-weight: 600;
    line-height: 1.3;
}

h1 { font-size: 2rem; }
h2 { font-size: 1.5rem; }
h3 { font-size: 1.25rem; }

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

a:hover {
    color: var(--accent-secondary);
    text-decoration: underline;
}

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

.top-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 2rem;
    height: 64px;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 100;
}

.brand a {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    text-decoration: none;
}

.brand-icon {
    font-size: 1.5rem;
}

.main-nav {
    display: flex;
    gap: 1rem;
}

.nav-link {
    padding: 0.5rem 1rem;
    color: var(--text-secondary);
    border-radius: var(--border-radius);
    transition: all var(--transition-fast);
}

.nav-link:hover {
    color: var(--text-primary);
    background: var(--bg-tertiary);
    text-decoration: none;
}

.user-menu {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.user-dropdown {
    position: relative;
}

.user-button {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    color: var(--text-primary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.user-button:hover {
    background: var(--bg-card);
}

.user-avatar {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    background: var(--accent-primary);
    border-radius: 50%;
    font-size: 0.75rem;
    font-weight: 600;
}

.dropdown-arrow {
    font-size: 0.625rem;
    margin-left: 0.25rem;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    right: 0;
    margin-top: 0.5rem;
    min-width: 180px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
    z-index: 200;
}

.dropdown-item {
    display: block;
    width: 100%;
    padding: 0.75rem 1rem;
    color: var(--text-primary);
    background: none;
    border: none;
    text-align: left;
    cursor: pointer;
    transition: background var(--transition-fast);
}

.dropdown-item:hover {
    background: var(--bg-tertiary);
    text-decoration: none;
}

.dropdown-divider {
    margin: 0;
    border: none;
    border-top: 1px solid var(--border-color);
}

.page-content {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.content-area {
    flex: 1;
    padding: 2rem;
    max-width: 1400px;
    margin: 0 auto;
    width: 100%;
}

.footer {
    padding: 1rem 2rem;
    text-align: center;
    color: var(--text-muted);
    border-top: 1px solid var(--border-color);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    font-size: 0.875rem;
    font-weight: 500;
    border-radius: var(--border-radius);
    border: none;
    cursor: pointer;
    transition: all var(--transition-fast);
    text-decoration: none;
}

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

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

.btn-primary:hover:not(:disabled) {
    background: var(--accent-secondary);
}

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

.btn-secondary:hover:not(:disabled) {
    background: var(--bg-card);
}

.btn-outline {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-outline:hover:not(:disabled) {
    background: var(--bg-tertiary);
}

.btn-link {
    background: none;
    color: var(--accent-primary);
    padding: 0.5rem;
}

.btn-link:hover {
    color: var(--accent-secondary);
    text-decoration: underline;
}

.btn-block {
    width: 100%;
}

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

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

.form-control {
    width: 100%;
    padding: 0.75rem 1rem;
    font-size: 1rem;
    color: var(--text-primary);
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    transition: all var(--transition-fast);
}

.form-control:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2);
}

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

.form-hint {
    display: block;
    margin-top: 0.25rem;
    font-size: 0.75rem;
    color: var(--text-muted);
}

.validation-message {
    display: block;
    margin-top: 0.25rem;
    font-size: 0.75rem;
    color: var(--accent-danger);
}

.remember-me, .terms {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.remember-me label, .terms label {
    margin-bottom: 0;
    font-weight: 400;
    cursor: pointer;
}

input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--accent-primary);
    cursor: pointer;
}

/* Alerts */
.alert {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    padding: 1rem;
    border-radius: var(--border-radius);
    margin-bottom: 1rem;
}

.alert-icon {
    font-size: 1.25rem;
    line-height: 1;
}

.alert-danger {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: #fca5a5;
}

.alert-success {
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.3);
    color: #6ee7b7;
}

.alert-success p {
    margin: 0.25rem 0 0;
    font-size: 0.875rem;
}

/* Auth Pages */
.auth-container {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: calc(100vh - 64px - 60px);
    padding: 2rem;
}

.auth-card {
    width: 100%;
    max-width: 420px;
    padding: 2rem;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
}

.auth-card h1 {
    text-align: center;
    margin-bottom: 0.5rem;
}

.auth-card .subtitle {
    text-align: center;
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

.auth-form {
    margin-bottom: 1.5rem;
}

.auth-footer {
    text-align: center;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
}

.auth-footer p {
    margin: 0.5rem 0;
    color: var(--text-secondary);
}

/* Verification Page */
.verification-status {
    text-align: center;
    padding: 2rem 0;
}

.verification-status h2 {
    margin: 1rem 0 0.5rem;
}

.verification-status p {
    color: var(--text-secondary);
}

.status-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 64px;
    height: 64px;
    font-size: 2rem;
    border-radius: 50%;
}

.verification-status.success .status-icon {
    background: rgba(16, 185, 129, 0.2);
    color: var(--accent-success);
}

.verification-status.error .status-icon {
    background: rgba(239, 68, 68, 0.2);
    color: var(--accent-danger);
}

.verification-actions {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin-top: 1.5rem;
}

/* Spinners */
.spinner {
    width: 40px;
    height: 40px;
    margin: 0 auto;
    border: 3px solid var(--border-color);
    border-top-color: var(--accent-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

.spinner-small {
    display: inline-block;
    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); }
}

.loading-container {
    text-align: center;
    padding: 3rem;
}

.loading-container p {
    margin-top: 1rem;
    color: var(--text-secondary);
}

/* Utility Classes */
.mt-3 { margin-top: 1rem; }
.mb-3 { margin-bottom: 1rem; }
.text-center { text-align: center; }
.text-muted { color: var(--text-muted); }

/* Blazor Defaults (keep for error handling) */
h1:focus {
    outline: none;
}

.valid.modified:not([type=checkbox]) {
    outline: 1px solid var(--accent-success);
}

.invalid {
    outline: 1px solid var(--accent-danger);
}

#blazor-error-ui {
    color-scheme: light only;
    background: var(--accent-danger);
    bottom: 0;
    box-shadow: 0 -1px 2px rgba(0, 0, 0, 0.2);
    box-sizing: border-box;
    display: none;
    left: 0;
    padding: 0.6rem 1.25rem 0.7rem 1.25rem;
    position: fixed;
    width: 100%;
    z-index: 1000;
    color: white;
}

#blazor-error-ui .dismiss {
    cursor: pointer;
    position: absolute;
    right: 0.75rem;
    top: 0.5rem;
}

.blazor-error-boundary {
    background: var(--accent-danger);
    padding: 1rem;
    color: white;
    border-radius: var(--border-radius);
}

.blazor-error-boundary::after {
    content: "An error has occurred."
}

/* Loading Progress */
.loading-progress {
    position: relative;
    display: block;
    width: 8rem;
    height: 8rem;
    margin: 20vh auto 1rem auto;
}

.loading-progress circle {
    fill: none;
    stroke: var(--border-color);
    stroke-width: 0.6rem;
    transform-origin: 50% 50%;
    transform: rotate(-90deg);
}

.loading-progress circle:last-child {
    stroke: var(--accent-primary);
    stroke-dasharray: calc(3.141 * var(--blazor-load-percentage, 0%) * 0.8), 500%;
    transition: stroke-dasharray 0.05s ease-in-out;
}

.loading-progress-text {
    position: absolute;
    text-align: center;
    font-weight: bold;
    inset: calc(20vh + 3.25rem) 0 auto 0.2rem;
    color: var(--text-primary);
}

.loading-progress-text:after {
    content: var(--blazor-load-percentage-text, "Loading");
}

/* Responsive */
@media (max-width: 768px) {
    .top-bar {
        padding: 0 1rem;
    }
    
    .main-nav {
        display: none;
    }
    
    .content-area {
        padding: 1rem;
    }
    
    .auth-card {
        padding: 1.5rem;
    }
    
    .user-name {
        display: none;
    }
}

/* ============================================
   Browser Compatibility Warning
   Shown when WebTransport is not supported
   ============================================ */

.browser-check {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem;
    background: var(--bg-secondary);
    border-radius: var(--border-radius);
    color: var(--text-secondary);
}

.browser-warning {
    display: flex;
    gap: 1rem;
    padding: 1.5rem;
    background: linear-gradient(135deg, rgba(239, 68, 68, 0.1), rgba(239, 68, 68, 0.05));
    border: 1px solid rgba(239, 68, 68, 0.3);
    border-radius: var(--border-radius-lg);
    margin-bottom: 1.5rem;
}

.browser-warning .warning-icon {
    font-size: 2rem;
    flex-shrink: 0;
}

.browser-warning .warning-content h3 {
    margin: 0 0 0.5rem 0;
    color: var(--accent-danger);
    font-size: 1.25rem;
}

.browser-warning .warning-content p {
    margin: 0 0 0.75rem 0;
    color: var(--text-primary);
}

.browser-warning .browser-suggestion {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.browser-warning .supported-browsers {
    list-style: none;
    padding: 0;
    margin: 0.75rem 0;
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.browser-warning .supported-browsers li {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: var(--bg-tertiary);
    border-radius: var(--border-radius);
    font-size: 0.9rem;
}

.browser-warning .supported-browsers .browser-icon {
    font-size: 1.25rem;
}

.browser-warning .detected-browser {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: 0.5rem;
}