/* 
  Reusable components - Buttons, cards, badges, forms
*/

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: 0.875rem 1.75rem;
    font-family: var(--font-primary);
    font-size: 0.95rem;
    font-weight: 500;
    border: none;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-base);
    text-decoration: none;
}

.btn-primary {
    background: var(--gradient-accent);
    color: white;
    box-shadow: var(--shadow-md), 0 0 0 0 rgba(59, 130, 246, 0);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg), var(--shadow-glow);
    color: white;
}

.btn-secondary {
    background: transparent;
    color: var(--text-primary);
    border: 2px solid var(--border-color);
}

.btn-secondary:hover {
    border-color: var(--accent);
    color: var(--accent);
    transform: translateY(-2px);
}

.btn-icon {
    padding: 0.75rem;
    border-radius: var(--radius-md);
}

/* Cards */
.card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: var(--space-xl);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    transition: all var(--transition-base);
}

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

.card-glass {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
}

/* Feature card - for projects */
.feature-card {
    display: flex;
    flex-direction: column;
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    overflow: hidden;
    transition: all var(--transition-base);
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg), 0 0 40px rgba(59, 130, 246, 0.15);
    border-color: rgba(59, 130, 246, 0.3);
}

.feature-card__image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-bottom: 1px solid var(--border-color);
}

.feature-card__content {
    padding: var(--space-lg);
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    flex: 1;
}

.feature-card__title {
    font-size: 1.25rem;
    font-weight: 600;
}

.feature-card__description {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin: 0;
    flex: 1;
}

.feature-card__tech {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-xs);
}

.feature-card__links {
    display: flex;
    gap: var(--space-md);
    margin-top: var(--space-sm);
}

.feature-card__link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    font-size: 0.9rem;
    color: var(--accent);
    font-weight: 500;
}

.feature-card__link:hover {
    text-decoration: underline;
}

/* Badges / Tags */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.35rem 0.75rem;
    font-size: 0.8rem;
    font-weight: 500;
    background: var(--accent-light);
    color: var(--accent);
    border-radius: var(--radius-full);
    transition: all var(--transition-fast);
}

.badge i {
    font-size: 1rem;
}

.badge:hover {
    background: var(--accent);
    color: white;
}

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

.badge-outline:hover {
    border-color: var(--accent);
    color: var(--accent);
    background: var(--accent-light);
}

/* Skill category */
.skill-category {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    transition: all var(--transition-base);
}

.skill-category:hover {
    border-color: rgba(59, 130, 246, 0.2);
    box-shadow: 0 0 25px rgba(59, 130, 246, 0.08);
}

.skill-category__title {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-md);
}

.skill-category__list {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
}

/* Form elements */
.form-group {
    position: relative;
    margin-bottom: var(--space-lg);
}

.form-label {
    position: absolute;
    left: var(--space-md);
    top: 50%;
    transform: translateY(-50%);
    font-size: 0.95rem;
    color: var(--text-muted);
    pointer-events: none;
    transition: all var(--transition-fast);
    background: transparent;
    padding: 0 var(--space-xs);
}

.form-input,
.form-textarea {
    width: 100%;
    padding: var(--space-md) var(--space-lg);
    font-family: var(--font-primary);
    font-size: 1rem;
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

.form-input:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-light);
}

.form-input:focus+.form-label,
.form-input:not(:placeholder-shown)+.form-label,
.form-textarea:focus+.form-label,
.form-textarea:not(:placeholder-shown)+.form-label {
    top: 0;
    font-size: 0.8rem;
    color: var(--accent);
    background: var(--bg-primary);
}

.form-textarea {
    min-height: 150px;
    resize: vertical;
}

.form-textarea+.form-label {
    top: var(--space-lg);
    transform: none;
}

.form-textarea:focus+.form-label,
.form-textarea:not(:placeholder-shown)+.form-label {
    top: -0.5rem;
}

/* Toast notifications */
.toast {
    position: fixed;
    bottom: var(--space-xl);
    right: var(--space-xl);
    padding: var(--space-md) var(--space-lg);
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    transform: translateY(150%);
    opacity: 0;
    transition: all var(--transition-base);
    z-index: 1000;
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

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

.toast-success {
    border-left: 4px solid #10b981;
}

.toast-error {
    border-left: 4px solid #ef4444;
}

/* Social links */
.social-links {
    display: flex;
    gap: var(--space-md);
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    color: var(--text-secondary);
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
}

.social-link:hover {
    color: white;
    background: var(--accent);
    transform: translateY(-3px);
    box-shadow: var(--shadow-glow);
}

.social-link svg {
    width: 20px;
    height: 20px;
}

/* Icon styles */
.icon {
    width: 1.25em;
    height: 1.25em;
    stroke-width: 2;
    stroke: currentColor;
    fill: none;
}

/* Loading spinner */
.spinner {
    width: 20px;
    height: 20px;
    border: 2px solid transparent;
    border-top-color: currentColor;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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