/* PersonaSphere Custom Styles */

/* Root variables for consistent theming */
:root {
    --persona-avatar-size: 40px;
    --persona-avatar-large: 80px;
    --persona-avatar-small: 24px;
    --border-radius: 0.5rem;
    --transition-speed: 0.3s;
    --shadow-sm: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
    --shadow-md: 0 0.5rem 1rem rgba(0, 0, 0, 0.15);
}

/* Typography enhancements */
body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
}

.display-1, .display-4 {
    font-weight: 700;
}

/* Persona avatars */
.persona-avatar {
    width: var(--persona-avatar-size);
    height: var(--persona-avatar-size);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 600;
    font-size: 0.875rem;
    text-transform: uppercase;
    background: linear-gradient(135deg, var(--bs-primary), var(--bs-info));
    flex-shrink: 0;
}

.persona-avatar-large {
    width: var(--persona-avatar-large);
    height: var(--persona-avatar-large);
    font-size: 1.5rem;
}

.persona-avatar-small {
    width: var(--persona-avatar-small);
    height: var(--persona-avatar-small);
    font-size: 0.75rem;
}

/* Persona indicators in dropdowns */
.persona-indicator {
    display: inline-block;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    margin-right: 0.5rem;
}

/* Card enhancements */
.card {
    border: none;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-speed) ease;
    border-radius: var(--border-radius);
}

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

.persona-card, .post-card, .connection-card, .message-card, .notification-card {
    transition: all var(--transition-speed) ease;
}

.persona-card:hover, .connection-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

/* Landing page hero section */
.hero-section {
    background: linear-gradient(135deg, rgba(13, 110, 253, 0.1) 0%, rgba(102, 16, 242, 0.1) 100%);
    min-height: 100vh;
    position: relative;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="50" cy="50" r="1" fill="rgba(255,255,255,0.1)"/></pattern></defs><rect width="100%" height="100%" fill="url(%23grain)"/></svg>');
    opacity: 0.3;
    pointer-events: none;
}

/* Persona showcase animation */
.persona-showcase {
    position: relative;
    height: 500px;
}

.persona-card {
    position: absolute;
    width: 280px;
    animation: float 6s ease-in-out infinite;
}

.work-persona {
    top: 50px;
    right: 0;
    animation-delay: 0s;
}

.gamer-persona {
    top: 200px;
    right: 100px;
    animation-delay: 2s;
}

.creative-persona {
    top: 350px;
    right: 50px;
    animation-delay: 4s;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

.persona-header {
    display: flex;
    align-items: center;
    margin-bottom: 0.75rem;
}

/* Feature icons */
.feature-icon {
    width: 48px;
    height: 48px;
}

/* Stats and insights */
.stat-number {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--bs-info);
}

.stat-label {
    font-size: 0.75rem;
    text-transform: uppercase;
    color: var(--bs-gray-600);
    font-weight: 500;
}

.insight-number {
    font-size: 2rem;
    font-weight: 700;
}

.insight-label {
    font-size: 0.875rem;
    color: var(--bs-gray-600);
}

/* Feed enhancements */
.post-card {
    border-left: 4px solid transparent;
}

.post-card:hover {
    border-left-color: var(--bs-info);
}

.post-content {
    font-size: 0.95rem;
    line-height: 1.6;
}

.post-media {
    border-radius: var(--border-radius);
    overflow: hidden;
    margin-top: 0.75rem;
}

.placeholder-media {
    height: 200px;
    border-radius: var(--border-radius);
}

.post-actions {
    border-top: 1px solid var(--bs-border-color);
    padding-top: 0.75rem;
    margin-top: 0.75rem;
}

.action-buttons .btn {
    border: none;
    background: transparent;
    color: var(--bs-gray-600);
    padding: 0.25rem 0.75rem;
    border-radius: 1rem;
    transition: all var(--transition-speed) ease;
}

.action-buttons .btn:hover {
    background: var(--bs-gray-100);
    color: var(--bs-gray-800);
}

.action-buttons .btn-outline-danger:hover,
.action-buttons .btn-outline-danger.active {
    background: var(--bs-danger);
    color: white;
}

/* Timeline for activity */
.timeline {
    position: relative;
    padding-left: 2rem;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 10px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--bs-border-color);
}

.timeline-item {
    position: relative;
    margin-bottom: 1.5rem;
}

.timeline-marker {
    position: absolute;
    left: -2rem;
    top: 0.25rem;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    border: 2px solid var(--bs-white);
}

.timeline-content {
    background: var(--bs-gray-50);
    padding: 1rem;
    border-radius: var(--border-radius);
    border-left: 3px solid var(--bs-info);
}

/* Messages and notifications */
.message-card.border-info {
    border-left: 4px solid var(--bs-info) !important;
}

.notification-card.border-start {
    border-left-width: 4px !important;
}

.notification-icon .icon-circle {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.notification-priority .progress {
    margin-bottom: 0.25rem;
}

/* Connection suggestions */
.connection-suggestion, .suggestion-item {
    transition: all var(--transition-speed) ease;
    border-radius: var(--border-radius);
}

.connection-suggestion:hover {
    background: var(--bs-gray-50);
}

.quick-contact-item .btn {
    text-align: left;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* Goal cards */
.goal-card {
    border-left: 4px solid var(--bs-success);
    position: relative;
    overflow: hidden;
}

.goal-card.status-paused {
    border-left-color: var(--bs-warning);
}

.goal-card.status-completed {
    border-left-color: var(--bs-secondary);
}

.goal-recommendations {
    background: var(--bs-gray-50);
    border-radius: var(--border-radius);
    padding: 0.75rem;
    margin-top: 0.75rem;
}

.recommendation-item {
    padding: 0.5rem;
    border-radius: calc(var(--border-radius) * 0.75);
    background: white;
    border: 1px solid var(--bs-border-color);
}

.recommendation-icon {
    width: 24px;
    flex-shrink: 0;
}

.rationale {
    font-style: italic;
}

/* Form enhancements */
.form-control:focus, .form-select:focus {
    border-color: var(--bs-info);
    box-shadow: 0 0 0 0.2rem rgba(13, 110, 253, 0.25);
}

.persona-examples .example-card {
    padding: 0.75rem;
    border: 1px solid var(--bs-border-color);
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: all var(--transition-speed) ease;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.persona-examples .example-card:hover {
    background: var(--bs-info);
    color: white;
    border-color: var(--bs-info);
}

.example-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 600;
    font-size: 0.75rem;
    flex-shrink: 0;
}

.example-content {
    flex-grow: 1;
}

/* Error pages */
.error-page {
    max-width: 500px;
    margin: 0 auto;
}

.error-page .display-1 {
    opacity: 0.5;
}

/* Responsive design enhancements */
@media (max-width: 768px) {
    .hero-section {
        text-align: center;
        padding: 2rem 0;
    }
    
    .persona-showcase {
        display: none;
    }
    
    .timeline {
        padding-left: 1rem;
    }
    
    .timeline::before {
        left: 6px;
    }
    
    .timeline-marker {
        left: -1rem;
    }
    
    .card {
        margin-bottom: 1rem;
    }
    
    .persona-avatar-large {
        width: 60px;
        height: 60px;
        font-size: 1.25rem;
    }
}

/* Accessibility improvements */
.btn:focus-visible, .form-control:focus-visible, .form-select:focus-visible {
    outline: 2px solid var(--bs-info);
    outline-offset: 2px;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Loading states */
.loading {
    opacity: 0.6;
    pointer-events: none;
}

.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin: -10px 0 0 -10px;
    border: 2px solid var(--bs-info);
    border-radius: 50%;
    border-top-color: transparent;
    animation: spin 1s linear infinite;
}

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

/* Custom scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bs-gray-100);
}

::-webkit-scrollbar-thumb {
    background: var(--bs-gray-400);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--bs-gray-500);
}

/* Print styles */
@media print {
    .navbar, .modal, .toast-container, .btn, .dropdown {
        display: none !important;
    }
    
    .card {
        box-shadow: none;
        border: 1px solid #000;
    }
    
    .text-muted {
        color: #000 !important;
    }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    .card {
        border: 2px solid var(--bs-border-color);
    }
    
    .btn-outline-info, .btn-outline-secondary {
        border-width: 2px;
    }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    .persona-card, .post-card, .connection-card {
        transform: none !important;
    }
}

/* Dark theme specific adjustments */
[data-bs-theme="dark"] .timeline-content {
    background: var(--bs-gray-800);
    border-left-color: var(--bs-info);
}

[data-bs-theme="dark"] .goal-recommendations {
    background: var(--bs-gray-800);
}

[data-bs-theme="dark"] .recommendation-item {
    background: var(--bs-gray-700);
    border-color: var(--bs-gray-600);
}

[data-bs-theme="dark"] .connection-suggestion:hover {
    background: var(--bs-gray-700);
}

[data-bs-theme="dark"] .example-card {
    border-color: var(--bs-gray-600);
}

[data-bs-theme="dark"] .example-card:hover {
    background: var(--bs-info);
}

/* Animation classes */
.fade-in {
    animation: fadeIn 0.5s ease-in;
}

.slide-up {
    animation: slideUp 0.3s ease-out;
}

.scale-in {
    animation: scaleIn 0.2s ease-out;
}

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

@keyframes slideUp {
    from { 
        opacity: 0;
        transform: translateY(20px);
    }
    to { 
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes scaleIn {
    from { 
        opacity: 0;
        transform: scale(0.9);
    }
    to { 
        opacity: 1;
        transform: scale(1);
    }
}

/* Utility classes */
.text-shadow {
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
}

.glass-effect {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.gradient-bg {
    background: linear-gradient(135deg, var(--bs-primary), var(--bs-info));
}

.hover-lift {
    transition: transform var(--transition-speed) ease;
}

.hover-lift:hover {
    transform: translateY(-4px);
}