/* ========================================
   SKILLS PAGE - DATA CORE
   Neural network skill visualization
   ======================================== */

.skills-page {
    min-height: 100vh;
    background: var(--bg-primary);
    padding: var(--space-4xl) 0;
    position: relative;
}

/* Binary rain background */
.binary-rain {
    position: fixed;
    inset: 0;
    z-index: 0;
    opacity: 0.05;
    font-family: var(--font-mono);
    font-size: 12px;
    color: var(--accent);
    overflow: hidden;
    pointer-events: none;
}

.binary-column {
    position: absolute;
    top: -100%;
    writing-mode: vertical-rl;
    animation: binary-fall linear infinite;
}

@keyframes binary-fall {
    0% {
        transform: translateY(-100%);
    }

    100% {
        transform: translateY(100vh);
    }
}

/* Header */
.skills-header {
    text-align: center;
    margin-bottom: var(--space-3xl);
    position: relative;
    z-index: 1;
}

.skills-header h1 {
    font-size: var(--text-5xl);
    font-family: var(--font-display);
    margin-bottom: var(--space-sm);
}

/* Skills layout */
.skills-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-2xl);
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

/* Skill section */
.skill-section {
    background: var(--bg-card);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-xl);
    padding: var(--space-xl);
    position: relative;
}

.skill-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-primary);
    border-radius: var(--radius-xl) var(--radius-xl) 0 0;
}

.skill-section-title {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    margin-bottom: var(--space-xl);
}

.skill-section-title span {
    font-size: var(--text-2xl);
}

.skill-section-title h3 {
    font-size: var(--text-xl);
    margin: 0;
}

/* Circular progress for languages */
.circular-skills {
    display: flex;
    justify-content: space-around;
    flex-wrap: wrap;
    gap: var(--space-xl);
}

.circular-skill {
    text-align: center;
}

.progress-ring {
    position: relative;
    width: 120px;
    height: 120px;
    margin: 0 auto var(--space-md);
}

.progress-ring svg {
    transform: rotate(-90deg);
}

.progress-ring-bg {
    fill: none;
    stroke: rgba(255, 255, 255, 0.1);
    stroke-width: 8;
}

.progress-ring-fill {
    fill: none;
    stroke: url(#gradient);
    stroke-width: 8;
    stroke-linecap: round;
    stroke-dasharray: 314;
    stroke-dashoffset: 314;
    transition: stroke-dashoffset 1.5s ease;
}

.progress-value {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-family: var(--font-mono);
    font-size: var(--text-2xl);
    font-weight: 700;
    color: var(--primary);
}

.skill-name {
    font-family: var(--font-mono);
    font-size: var(--text-sm);
    color: var(--text-primary);
}

/* Bar skills for frameworks */
.bar-skills {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.bar-skill {
    position: relative;
}

.bar-skill-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: var(--space-sm);
}

.bar-skill-name {
    font-size: var(--text-base);
    color: var(--text-primary);
}

.bar-skill-level {
    font-family: var(--font-mono);
    font-size: var(--text-sm);
    color: var(--primary);
}

.bar-skill-track {
    height: 10px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-full);
    overflow: hidden;
    position: relative;
}

.bar-skill-fill {
    height: 100%;
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
    width: 0%;
    transition: width 1.5s ease;
    position: relative;
}

.bar-skill-fill::after {
    content: '';
    position: absolute;
    right: 0;
    top: 0;
    bottom: 0;
    width: 10px;
    background: white;
    border-radius: 50%;
    box-shadow: var(--shadow-glow-sm);
}

/* Tag cloud for techniques */
.skill-tags {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-md);
    justify-items: center;
    align-items: center;
}

.skill-tag {
    padding: var(--space-sm) var(--space-lg);
    background: rgba(var(--primary-rgb), 0.1);
    border: 1px solid rgba(var(--primary-rgb), 0.3);
    border-radius: var(--radius-full);
    font-family: var(--font-mono);
    font-size: var(--text-sm);
    color: var(--primary);
    transition: all 0.3s ease;
    cursor: default;
    text-align: center;
    width: 100%;
    max-width: 200px;
    min-height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.skill-tag:hover {
    background: rgba(var(--primary-rgb), 0.2);
    transform: translateY(-3px) scale(1.05);
    box-shadow: var(--shadow-glow-sm);
}

.skill-tag.large {
    font-size: var(--text-base);
    padding: var(--space-md) var(--space-xl);
    max-width: 220px;
}

.skill-tag.medium {
    font-size: var(--text-sm);
}

/* Single tag at the end - center it */
.skill-tags .skill-tag:last-child:nth-child(odd) {
    grid-column: 1 / -1;
    max-width: 200px;
}

/* Tools grid */
.tools-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-md);
}

.tool-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-lg);
    background: rgba(var(--secondary-rgb), 0.05);
    border: 1px solid rgba(var(--secondary-rgb), 0.2);
    border-radius: var(--radius-lg);
    transition: all 0.3s ease;
}

.tool-item:hover {
    background: rgba(var(--secondary-rgb), 0.1);
    transform: translateY(-5px);
    box-shadow: var(--shadow-glow-secondary);
}

.tool-icon {
    font-size: var(--text-2xl);
}

.tool-name {
    font-family: var(--font-mono);
    font-size: var(--text-sm);
    color: var(--secondary);
}

/* Full width section */
.skill-section.full-width {
    grid-column: 1 / -1;
}

/* Neural network diagram placeholder */
.skill-network {
    height: 300px;
    background: rgba(var(--primary-rgb), 0.05);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    font-family: var(--font-mono);
    position: relative;
    overflow: hidden;
}

.skill-network::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at 20% 30%, rgba(var(--primary-rgb), 0.2) 0%, transparent 30%),
        radial-gradient(circle at 80% 70%, rgba(var(--secondary-rgb), 0.2) 0%, transparent 30%),
        radial-gradient(circle at 50% 50%, rgba(var(--accent-rgb), 0.1) 0%, transparent 40%);
}

/* Responsive */
@media (max-width: 1024px) {
    .skills-layout {
        grid-template-columns: 1fr;
    }

    .skill-section.full-width {
        grid-column: 1;
    }
}

@media (max-width: 768px) {
    .skills-page {
        padding: var(--space-2xl) 0;
    }

    .circular-skills {
        flex-direction: column;
        align-items: center;
    }

    .tools-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}