/* Skills Page Styles - Consistent with Homepage Preview */

/* Main container for skills categories section */
.skills-categories {
    padding: var(--space-4xl) 0;
    min-height: 60vh;
}

/* Grid container for all skill categories - matches homepage preview */
.skills-categories__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--space-xl);
    margin-top: var(--space-2xl);
}

/* Category container - matches homepage category-preview-card */
.skill-category {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    transition: all var(--transition-base);
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    position: relative;
    overflow: hidden;
    animation: fadeInUp 0.6s ease-out backwards;
}

.skill-category:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-300);
    border-width: 3px;
}

/* Category header - matches homepage preview */
.skill-category__header {
    display: flex;
    align-items: flex-start;
    gap: var(--space-md);
}

.skill-category__icon {
    font-size: 48px;
    line-height: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 64px;
    height: 64px;
    background: var(--primary-50);
    border-radius: var(--radius-md);
    flex-shrink: 0;
    transition: transform var(--transition-fast);
}

[data-theme="dark"] .skill-category__icon {
    background: rgba(30, 136, 229, 0.1);
}

.skill-category:hover .skill-category__icon {
    transform: scale(1.1) rotate(5deg);
}

.skill-category__info {
    flex: 1;
    min-width: 0;
}

.skill-category__title {
    font-size: var(--text-xl);
    font-weight: var(--font-semibold);
    color: var(--text-primary);
    margin-bottom: var(--space-xs);
    line-height: 1.3;
}

.skill-category__description {
    font-size: var(--text-sm);
    color: var(--text-secondary);
    line-height: 1.6;
    margin: 0;
}

/* Skills list - responsive grid showing all skills */
.skill-category__skills {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--space-sm);
    margin-top: var(--space-sm);
    padding-top: var(--space-md);
    border-top: 1px solid var(--border-color);
}

/* Skill item - horizontal compact card layout */
.skill-item {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md);
    border-radius: var(--radius-md);
    transition: transform var(--transition-fast), background var(--transition-fast), box-shadow var(--transition-fast), border-color var(--transition-fast);
    cursor: pointer;
    position: relative;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
}

.skill-item:hover {
    transform: translateX(4px);
    background: var(--bg-primary);
    border-color: var(--primary-300);
    box-shadow: var(--shadow-md);
}

/* Technology icon - smaller for compact layout */
.skill-item__icon {
    font-size: 32px;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: transform var(--transition-fast);
}

/* Custom SVG icon (for official logos) - smaller for compact layout */
.skill-item__icon--custom {
    font-size: inherit;
    width: 40px;
    height: 40px;
    object-fit: contain;
    display: block;
}

/* Skill content wrapper - contains name, progress, and experience */
.skill-item__content {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
    flex: 1;
    min-width: 0;
}

/* =================================================================
   THEME-AWARE ICON STYLING
   Icons adapt to light/dark theme for optimal visibility
   ================================================================= */

/* Simple Icons (white by default) - Invert for light theme */
.skill-item__icon[class*="si-"] {
    filter: invert(1);
    transition: filter var(--transition-fast);
}

[data-theme="dark"] .skill-item__icon[class*="si-"] {
    filter: invert(0);
}

/* Font Awesome solid icons - Color based on theme */
.skill-item__icon.fa-solid {
    color: var(--text-primary);
    transition: color var(--transition-fast);
}

[data-theme="dark"] .skill-item__icon.fa-solid {
    color: var(--text-tertiary);
}

/* DevIcon colored icons - Default (no filter) */
.skill-item__icon[class*="devicon-"][class*="colored"],
.skill-item__icon[class*="devicon-"][class*="original"] {
    /* No filter by default - icons are already colored */
}

/* =================================================================
   SPECIFIC ICON CONTRAST FIXES
   Some DevIcon colored icons are too dark/light for certain themes
   ================================================================= */

/* Dark DevIcon icons that need brightness boost in light theme */
.skill-item__icon.devicon-bash-plain,
.skill-item__icon.devicon-linux-plain,
.skill-item__icon.devicon-ansible-plain,
.skill-item__icon.devicon-flask-original,
.skill-item__icon.devicon-github-original,
.skill-item__icon.devicon-jenkins-line {
    /* Light theme: add brightness and slight contrast */
    filter: brightness(0.7) contrast(1.2);
    transition: filter var(--transition-fast);
}

[data-theme="dark"] .skill-item__icon.devicon-bash-plain,
[data-theme="dark"] .skill-item__icon.devicon-linux-plain,
[data-theme="dark"] .skill-item__icon.devicon-ansible-plain,
[data-theme="dark"] .skill-item__icon.devicon-flask-original,
[data-theme="dark"] .skill-item__icon.devicon-github-original,
[data-theme="dark"] .skill-item__icon.devicon-jenkins-line {
    /* Dark theme: increase brightness for visibility */
    filter: brightness(1.4) contrast(1.1);
}

/* Simple Icons that need enhanced contrast */
.skill-item__icon.si-cloudera,
.skill-item__icon.si-numpy,
.skill-item__icon.si-githubactions {
    /* Light theme: invert to black with good contrast */
    filter: invert(1) brightness(0.8);
    transition: filter var(--transition-fast);
}

[data-theme="dark"] .skill-item__icon.si-cloudera,
[data-theme="dark"] .skill-item__icon.si-numpy,
[data-theme="dark"] .skill-item__icon.si-githubactions {
    /* Dark theme: keep white but add brightness */
    filter: invert(0) brightness(1.3);
}

.skill-item:hover .skill-item__icon {
    transform: scale(1.1);
}

/* Skill name - compact horizontal layout */
.skill-item__name {
    font-size: var(--text-sm);
    font-weight: var(--font-semibold);
    color: var(--text-primary);
    line-height: 1.2;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* Progress and experience row - horizontal layout */
.skill-item__meta {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

/* Mini progress bar - compact horizontal inline */
.skill-item__progress-mini {
    flex: 1;
    height: 6px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-sm);
    overflow: hidden;
    position: relative;
    min-width: 60px;
}

[data-theme="dark"] .skill-item__progress-mini {
    background: var(--gray-800);
}

.skill-item__progress-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-400), var(--primary-600));
    border-radius: var(--radius-sm);
    transition: width 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Experience badge - compact inline */
.skill-item__experience {
    font-size: 10px;
    font-weight: var(--font-medium);
    color: var(--text-tertiary);
    line-height: 1;
    padding: 3px 6px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-sm);
    white-space: nowrap;
    flex-shrink: 0;
}

[data-theme="dark"] .skill-item__experience {
    background: var(--gray-800);
    color: var(--gray-400);
}

/* ============================================
   Skill Modal (All Devices)
   ============================================ */

.skill-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--overlay-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: var(--z-modal);
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-base), visibility var(--transition-base);
    padding: var(--space-lg);
}

.skill-modal.active {
    opacity: 1;
    visibility: visible;
}

.skill-modal__content {
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-2xl);
    max-width: 500px;
    width: 100%;
    max-height: 80vh;
    overflow-y: auto;
    padding: var(--space-2xl);
    position: relative;
    transform: translateY(-30px) scale(0.95);
    transition: transform var(--transition-base);
}

.skill-modal.active .skill-modal__content {
    transform: translateY(0) scale(1);
}

/* Modal Close Button */
.skill-modal__close {
    position: absolute;
    top: var(--space-lg);
    right: var(--space-lg);
    background: var(--bg-secondary);
    border: none;
    width: 40px;
    height: 40px;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: var(--text-secondary);
    transition: all var(--transition-fast);
    z-index: 1;
}

.skill-modal__close:hover {
    background: var(--primary-600);
    color: var(--color-white);
    transform: rotate(90deg);
}

.skill-modal__close svg {
    width: 20px;
    height: 20px;
}

/* Modal uses same internal structure as sidebar */
.skill-modal__header {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding-bottom: var(--space-lg);
    border-bottom: 1px solid var(--border-color);
    margin-bottom: var(--space-lg);
    padding-right: var(--space-3xl); /* Space for close button */
}

.skill-modal__icon {
    font-size: 56px;
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    background: var(--primary-50);
    border-radius: var(--radius-md);
}

[data-theme="dark"] .skill-modal__icon {
    background: rgba(30, 136, 229, 0.1);
}

/* Apply same icon contrast fixes to modal icons */
.skill-modal__icon.devicon-bash-plain,
.skill-modal__icon.devicon-linux-plain,
.skill-modal__icon.devicon-ansible-plain,
.skill-modal__icon.devicon-flask-original,
.skill-modal__icon.devicon-github-original,
.skill-modal__icon.devicon-jenkins-line {
    filter: brightness(0.7) contrast(1.2);
}

[data-theme="dark"] .skill-modal__icon.devicon-bash-plain,
[data-theme="dark"] .skill-modal__icon.devicon-linux-plain,
[data-theme="dark"] .skill-modal__icon.devicon-ansible-plain,
[data-theme="dark"] .skill-modal__icon.devicon-flask-original,
[data-theme="dark"] .skill-modal__icon.devicon-github-original,
[data-theme="dark"] .skill-modal__icon.devicon-jenkins-line {
    filter: brightness(1.4) contrast(1.1);
}

.skill-modal__icon.si-cloudera,
.skill-modal__icon.si-numpy,
.skill-modal__icon.si-githubactions {
    filter: invert(1) brightness(0.8);
}

[data-theme="dark"] .skill-modal__icon.si-cloudera,
[data-theme="dark"] .skill-modal__icon.si-numpy,
[data-theme="dark"] .skill-modal__icon.si-githubactions {
    filter: invert(0) brightness(1.3);
}

.skill-modal__title {
    font-size: var(--text-xl);
    font-weight: var(--font-semibold);
    color: var(--text-primary);
    margin: 0;
    line-height: 1.3;
}

.skill-modal__body {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

/* Shared styles for level and progress (used in modal) */
.skill-sidebar__level {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-sm);
}

.skill-sidebar__level-label {
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.skill-sidebar__level-value {
    font-size: var(--text-lg);
    font-weight: var(--font-semibold);
    color: var(--primary-600);
}

.skill-sidebar__progress {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.skill-sidebar__progress-label {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: var(--text-sm);
    color: var(--text-secondary);
}

.skill-sidebar__progress-percentage {
    font-weight: var(--font-semibold);
    color: var(--primary-600);
}

.skill-sidebar__progress-bar-container {
    width: 100%;
    height: 8px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-sm);
    overflow: hidden;
    position: relative;
}

[data-theme="dark"] .skill-sidebar__progress-bar-container {
    background: var(--gray-800);
}

.skill-sidebar__progress-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-400), var(--primary-600));
    border-radius: var(--radius-sm);
    transition: width 0.8s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.skill-sidebar__progress-bar::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(90deg,
        transparent,
        rgba(255, 255, 255, 0.3),
        transparent
    );
    animation: shimmer 2s infinite;
}

@keyframes shimmer {
    0% {
        transform: translateX(-100%);
    }
    100% {
        transform: translateX(100%);
    }
}

.skill-sidebar__experience {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    padding: var(--space-sm) var(--space-md);
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    color: var(--text-secondary);
}

.skill-sidebar__experience svg {
    width: 16px;
    height: 16px;
    color: var(--primary-600);
}

/* Enhanced Skill Card Styles */
.skill-card {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--space-lg);
    transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
    position: relative;
}

.skill-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary-300);
}

.skill-card__icon {
    font-size: var(--text-3xl);
    margin-bottom: var(--space-md);
    display: inline-block;
}

.skill-card__title {
    font-size: var(--text-lg);
    font-weight: var(--font-semibold);
    margin-bottom: var(--space-md);
    color: var(--text-primary);
}

.skill-card__techs {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-xs);
    margin-bottom: var(--space-md);
}

.skill-card__level {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.skill-card__progress {
    flex: 1;
    height: 6px;
    background: var(--gray-200);
    overflow: hidden;
    position: relative;
}

[data-theme="dark"] .skill-card__progress {
    background: var(--gray-800);
}

.skill-card__progress-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-400), var(--primary-600));
    transition: width 1s cubic-bezier(0.4, 0, 0.2, 1);
}

.skill-card__percentage {
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    color: var(--primary-600);
    min-width: 35px;
    text-align: right;
}

/* Skill card experience badge */
.skill-card__experience {
    display: inline-block;
    font-size: var(--text-xs);
    color: var(--text-tertiary);
    margin-bottom: var(--space-sm);
    padding: var(--space-xs) var(--space-sm);
    background: var(--bg-tertiary);
    border-radius: var(--radius-sm);
}

/* Category description */
.skill-category__description {
    font-size: var(--text-sm);
    color: var(--text-secondary);
    margin-top: var(--space-xs);
    opacity: 0.9;
    line-height: 1.5;
}

/* Certifications */
.certifications {
    background: var(--bg-primary);
    padding: var(--space-4xl) 0;
}

.certifications__grid {
    /* Using grid utilities: grid grid-auto-lg gap-xl */
    margin-top: var(--space-2xl);
}

.certification-card {
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    text-align: center;
    transition: transform var(--transition-base);
}

.certification-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.certification-card__icon {
    width: 60px;
    height: 60px;
    margin: 0 auto var(--space-md);
    background: var(--primary-100);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--text-2xl);
}

[data-theme="dark"] .certification-card__icon {
    background: var(--primary-900);
}

.certification-card__name {
    font-size: var(--text-lg);
    font-weight: var(--font-semibold);
    margin-bottom: var(--space-sm);
}

.certification-card__issuer {
    color: var(--text-secondary);
    font-size: var(--text-sm);
    margin-bottom: var(--space-sm);
}

.certification-card__date {
    color: var(--text-tertiary);
    font-size: var(--text-sm);
}

/* Staggered animation for category cards */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.skill-category:nth-child(1) { animation-delay: 0.1s; }
.skill-category:nth-child(2) { animation-delay: 0.2s; }
.skill-category:nth-child(3) { animation-delay: 0.3s; }
.skill-category:nth-child(4) { animation-delay: 0.4s; }
.skill-category:nth-child(5) { animation-delay: 0.5s; }
.skill-category:nth-child(6) { animation-delay: 0.6s; }

/* =================================================================
   RESPONSIVE DESIGN - MOBILE-FIRST APPROACH
   Base styles = Mobile, then progressive enhancement
   Breakpoints: 640px (large mobile), 768px (tablet), 1024px (desktop)
   ================================================================= */

/* BASE STYLES - MOBILE (0-639px) */
/* These apply to all screen sizes unless overridden */

/* Mobile: Single column layout */
.skills-categories__grid {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
}

.skill-category {
    padding: var(--space-md);
}

.skill-category__icon {
    font-size: 36px;
    width: 52px;
    height: 52px;
}

.skill-category__title {
    font-size: var(--text-lg);
}

.skill-category__description {
    font-size: 14px; /* Accessibility minimum */
}

/* Mobile: Single column for skill items */
.skill-category__skills {
    grid-template-columns: 1fr;
    gap: var(--space-sm);
}

/* Mobile: Compact horizontal cards */
.skill-item {
    padding: var(--space-sm);
    gap: var(--space-sm);
}

.skill-item__icon {
    font-size: 28px;
    width: 32px;
    height: 32px;
}

.skill-item__icon--custom {
    width: 32px;
    height: 32px;
}

.skill-item__name {
    font-size: 14px; /* Accessibility minimum - increased from 13px */
}

.skill-item__progress-mini {
    min-width: 50px;
    height: 6px; /* Increased from 5px for better visibility */
}

.skill-item__experience {
    font-size: 10px; /* Increased from 9px */
    padding: 3px 6px;
}

/* Mobile: Full screen modal */
.skill-modal {
    padding: 0;
}

.skill-modal__content {
    max-width: 100%;
    max-height: 100vh;
    border-radius: 0;
    padding: var(--space-xl);
}

.skill-modal__header {
    padding-right: var(--space-2xl);
}

.skill-modal__icon {
    font-size: 48px;
    width: 56px;
    height: 56px;
}

.certifications__grid {
    grid-template-columns: 1fr;
}

/* LARGE MOBILE (640px+) - Allow 2 columns where space permits */
@media (min-width: 640px) {
    .skill-category__skills {
        grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
        gap: var(--space-md);
    }

    .skill-item {
        padding: var(--space-md);
    }

    .skill-item__icon {
        font-size: 32px;
        width: 36px;
        height: 36px;
    }

    .skill-item__icon--custom {
        width: 36px;
        height: 36px;
    }

    .skill-item__name {
        font-size: 14px;
    }

    .skill-item__experience {
        font-size: 10px;
    }

    /* Modal with some margin */
    .skill-modal {
        padding: var(--space-md);
    }

    .skill-modal__content {
        max-width: 90%;
        border-radius: var(--radius-lg);
    }
}

/* TABLET (768px+) - 2-3 columns, better spacing */
@media (min-width: 768px) {
    .skills-categories__grid {
        grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
        gap: var(--space-xl);
    }

    .skill-category {
        padding: var(--space-lg);
    }

    .skill-category__icon {
        font-size: 40px;
        width: 56px;
        height: 56px;
    }

    .skill-category__description {
        font-size: 14px;
    }

    /* Tablet: 2-3 skill columns */
    .skill-category__skills {
        grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
        gap: var(--space-md);
    }

    .skill-item__icon {
        font-size: 36px;
        width: 40px;
        height: 40px;
    }

    .skill-item__icon--custom {
        width: 40px;
        height: 40px;
    }

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

    .skill-modal__content {
        max-width: 550px;
    }

    .certifications__grid {
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    }
}

/* DESKTOP (1024px+) - Optimal 3-4 columns */
@media (min-width: 1024px) {
    .skills-categories__grid {
        grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    }

    .skill-category {
        padding: var(--space-xl);
    }

    .skill-category__icon {
        font-size: 48px;
        width: 64px;
        height: 64px;
    }

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

    /* Desktop: 3-4 skill columns */
    .skill-category__skills {
        grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    }

    .skill-item {
        padding: var(--space-md);
        gap: var(--space-md);
    }

    .skill-item__icon {
        font-size: 32px;
        width: 40px;
        height: 40px;
    }

    .skill-item__icon--custom {
        width: 40px;
        height: 40px;
    }

    .skill-modal__content {
        max-width: 600px;
    }
}