/* ============================================
   Components
   ============================================ */

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 2rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: var(--font-size-base);
    text-decoration: none;
    transition: all var(--transition-bounce);
    position: relative;
    overflow: hidden;
    cursor: pointer;
}

.btn svg {
    width: 20px;
    height: 20px;
    transition: transform var(--transition-base);
}

.btn:hover svg {
    transform: translateX(5px);
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: 0 10px 40px rgba(30, 58, 138, 0.4);
}

.btn-primary:hover {
    transform: translateY(-5px) scale(1.02);
    box-shadow: 0 20px 60px rgba(30, 58, 138, 0.6);
}

.btn-secondary {
    background: var(--glass);
    color: var(--text-primary);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: var(--glass-hover);
    border-color: var(--primary);
    transform: translateY(-5px);
}

.btn-accent {
    background: var(--gradient-accent);
    color: white;
    box-shadow: 0 10px 40px rgba(139, 92, 246, 0.4);
}

.btn-accent:hover {
    transform: translateY(-5px) scale(1.02);
    box-shadow: 0 20px 60px rgba(139, 92, 246, 0.6);
}

/* Cards */
.card {
    background: var(--bg-card);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    padding: 2rem;
    backdrop-filter: blur(20px);
    transition: all var(--transition-bounce);
    position: relative;
    overflow: hidden;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-slow);
}

.card:hover::before {
    transform: scaleX(1);
}

.card:hover {
    transform: translateY(-10px);
    border-color: var(--primary);
    box-shadow: 0 30px 60px rgba(30, 58, 138, 0.3);
}

/* Badges & Tags */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.6rem 1.2rem;
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    backdrop-filter: blur(10px);
}

.tag {
    padding: 0.4rem 0.9rem;
    background: rgba(30, 58, 138, 0.15);
    border: 1px solid rgba(30, 58, 138, 0.3);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-xs);
    color: var(--primary-light);
    transition: all var(--transition-base);
    font-family: var(--font-mono);
}

.tag:hover {
    background: rgba(30, 58, 138, 0.25);
    border-color: rgba(30, 58, 138, 0.5);
    transform: translateY(-2px);
}

/* Section Headers */
.section-header {
    text-align: center;
    margin-bottom: 5rem;
}

.section-tag {
    display: inline-block;
    padding: 0.5rem 1.25rem;
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-full);
    color: var(--secondary);
    font-family: var(--font-mono);
    font-size: var(--font-size-sm);
    margin-bottom: 1.5rem;
    backdrop-filter: blur(10px);
}

.section-title {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 700;
    margin-bottom: 1rem;
}

.section-subtitle {
    color: var(--text-secondary);
    font-size: var(--font-size-lg);
    max-width: 600px;
    margin: 0 auto;
}

/* Status Dot */
.status-dot {
    width: 10px;
    height: 10px;
    background: var(--neon-cyan);
    border-radius: 50%;
    box-shadow: 0 0 20px var(--neon-cyan);
    animation: pulse 2s infinite;
}

/* Loading Spinner */
.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--glass);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

/* Theme Toggle */
.theme-toggle {
    position: relative;
    width: 60px;
    height: 30px;
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: all var(--transition-base);
}

.theme-toggle:hover {
    background: var(--glass-hover);
}

.theme-toggle-slider {
    position: absolute;
    top: 3px;
    left: 3px;
    width: 22px;
    height: 22px;
    background: var(--gradient-primary);
    border-radius: 50%;
    transition: transform var(--transition-base);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
}

[data-theme="light"] .theme-toggle-slider {
    transform: translateX(30px);
    background: var(--gradient-accent);
}

/* Links */
.link {
    color: var(--primary-light);
    text-decoration: none;
    position: relative;
    transition: color var(--transition-base);
}

.link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-light);
    transition: width var(--transition-base);
}

.link:hover {
    color: var(--secondary-light);
}

.link:hover::after {
    width: 100%;
}

/* Project Filter Buttons */
.filter-btn {
    padding: 0.75rem 1.5rem;
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-full);
    color: var(--text-secondary);
    font-weight: 500;
    transition: all var(--transition-base);
    cursor: pointer;
}

.filter-btn:hover {
    color: var(--text-primary);
    border-color: var(--primary);
}

.filter-btn.active {
    background: var(--gradient-primary);
    color: white;
    border-color: transparent;
}

/* Progress Bar */
.progress-bar {
    width: 100%;
    height: 8px;
    background: var(--glass);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
    transition: width 1s ease;
}