/* Component-specific styles for reusability */

/* Button components */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: var(--border-radius);
    font-family: inherit;
    font-size: 0.9rem;
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: var(--shadow);
}

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

.btn-primary:hover {
    background: var(--accent-hover);
    transform: translateY(-1px);
    box-shadow: var(--shadow-hover);
}

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

.btn-secondary:hover {
    border-color: var(--accent-color);
    transform: translateY(-1px);
    box-shadow: var(--shadow-hover);
}

.btn-icon {
    width: 40px;
    height: 40px;
    padding: 0;
    border-radius: 50%;
}

/* Card components */
.card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

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

.card-header {
    margin-bottom: 1rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
}

.card-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-color);
}

.card-subtitle {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin: 0;
}

.card-body {
    line-height: 1.6;
}

.card-footer {
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
}

/* Badge components */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.25rem 0.75rem;
    font-size: 0.75rem;
    font-weight: 500;
    border-radius: 9999px;
    background: var(--accent-bg);
    color: var(--accent-text);
    border: 1px solid var(--accent-color);
}

.badge-success {
    background: #ecfdf5;
    color: #065f46;
    border-color: #10b981;
}

.badge-warning {
    background: #fffbeb;
    color: #92400e;
    border-color: #f59e0b;
}

.badge-info {
    background: #eff6ff;
    color: #1e40af;
    border-color: #3b82f6;
}

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

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

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

/* Enhanced Focus states for accessibility */
.btn:focus-visible,
.nav-link:focus-visible,
.theme-toggle:focus-visible {
    outline: 3px solid var(--accent-color);
    outline-offset: 3px;
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover), 0 0 0 3px rgba(79, 70, 229, 0.2);
}

.nav-link:focus-visible {
    animation: iconBounce 0.6s ease-in-out;
}

/* Utility classes */
.text-center {
    text-align: center;
}

.text-left {
    text-align: left;
}

.text-right {
    text-align: right;
}

.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;
}

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

/* Biography section */
.biography {
    margin: var(--spacing-lg) 0;
    animation: fadeInUp 0.8s ease-out 0.4s both;
}

.bio-content {
    max-width: calc(var(--max-width) - 2rem);
    margin: 0 auto;
    text-align: center;
}

.bio-paragraph {
    font-size: clamp(0.9rem, 2.5vw, 1rem);
    line-height: 1.7;
    color: var(--text-muted);
    margin: 0 0 var(--spacing-md) 0;
    text-align: left;
    max-width: 100%;
    padding: 0 var(--spacing-xs);
}

.bio-paragraph:last-child {
    margin-bottom: 0;
}

/* Responsive adjustments for biography */
@media (max-width: 768px) {
    .biography {
        margin: var(--spacing-md) 0;
    }
    
    .bio-content {
        max-width: 100%;
        padding: 0 var(--spacing-lg);
    }
    
    .bio-paragraph {
        font-size: 0.9rem;
        line-height: 1.6;
        margin-bottom: var(--spacing-sm);
        padding: 0;
    }
}

@media (max-width: 480px) {
    .biography {
        margin: var(--spacing-sm) 0;
    }
    
    .bio-content {
        padding: 0 var(--spacing-md);
    }
    
    .bio-paragraph {
        font-size: 0.85rem;
        line-height: 1.55;
        margin-bottom: var(--spacing-xs);
        padding: 0;
    }
}

@media (max-width: 320px) {
    .bio-content {
        padding: 0 var(--spacing-sm);
    }
}

@media (min-width: 1024px) {
    .bio-content {
        max-width: calc(var(--max-width) - 4rem);
    }
    
    .bio-paragraph {
        font-size: 1.05rem;
        line-height: 1.75;
        margin-bottom: var(--spacing-lg);
    }
}

/* Print styles */
@media print {
    .theme-toggle {
        display: none;
    }
    
    .nav-link {
        box-shadow: none;
        border: 1px solid #ddd;
    }
    
    .profile-image {
        box-shadow: none;
    }
    
    .biography {
        margin: 1rem 0;
    }
    
    .bio-paragraph {
        font-size: 0.9rem;
        line-height: 1.6;
        text-align: justify;
    }
}

/* Biography hyperlinks styling */
.bio-paragraph a {
    color: var(--accent-color);
    text-decoration: none;
    border-bottom: 1px solid transparent;
    transition: var(--transition-fast);
    position: relative;
}

.bio-paragraph a:hover,
.bio-paragraph a:focus {
    color: var(--accent-color);
    border-bottom-color: var(--accent-color);
    outline: none;
}

.bio-paragraph a:focus-visible {
    outline: 2px solid var(--accent-color);
    outline-offset: 2px;
    border-radius: 2px;
}

/* Loading state styling */
.bio-loading {
    color: var(--text-muted);
    font-style: italic;
    text-align: center;
    padding: var(--spacing-md) 0;
    opacity: 0.7;
}