/* =====================================================
   SANIDEV SHARMA PORTFOLIO — PROFESSIONAL DESIGN SYSTEM
   Dark & Light Theme Support
   Inspired by: GitHub, Linear, Vercel
   ===================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=JetBrains+Mono:wght@400;500;700&family=Sora:wght@400;600;700;800&display=swap');

/* ===================================================
   DARK THEME TOKENS (default)
   =================================================== */
:root {
    --bg-base:    #0d1117;
    --bg-subtle:  #161b22;
    --bg-surface: #1c2333;
    --bg-overlay: #21262d;

    --accent:        #4f8ef7;
    --accent-dim:    rgba(79,142,247,0.12);
    --accent-border: rgba(79,142,247,0.35);
    --accent-hover:  #6aa0ff;

    --text-primary:   #e6edf3;
    --text-secondary: #8b949e;
    --text-muted:     #484f58;

    --border:       rgba(240,246,252,0.10);
    --border-muted: rgba(240,246,252,0.06);

    --green: #3fb950;
    --amber: #d29922;
    --red:   #f85149;

    --shadow-sm: 0 1px 3px rgba(0,0,0,0.4),  0 1px 2px rgba(0,0,0,0.3);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.5), 0 2px 6px rgba(0,0,0,0.3);
    --shadow-lg: 0 12px 32px rgba(0,0,0,0.55), 0 4px 12px rgba(0,0,0,0.4);
    --shadow-xl: 0 24px 64px rgba(0,0,0,0.65);

    --font-sans:    'Inter', system-ui, -apple-system, sans-serif;
    --font-display: 'Sora', 'Inter', sans-serif;
    --font-mono:    'JetBrains Mono', 'Fira Code', monospace;

    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-xl: 20px;

    --canvas-bg: #0d1117;
    color-scheme: dark;
}

/* ===================================================
   LIGHT THEME TOKENS
   =================================================== */
[data-theme="light"] {
    --bg-base:    #ffffff;
    --bg-subtle:  #f6f8fa;
    --bg-surface: #ffffff;
    --bg-overlay: #f0f2f5;

    --accent:        #0969da;
    --accent-dim:    rgba(9,105,218,0.08);
    --accent-border: rgba(9,105,218,0.30);
    --accent-hover:  #0550ae;

    --text-primary:   #1c2128;
    --text-secondary: #57606a;
    --text-muted:     #8c959f;

    --border:       rgba(31,35,40,0.12);
    --border-muted: rgba(31,35,40,0.06);

    --green: #1a7f37;
    --amber: #9a6700;
    --red:   #cf222e;

    --shadow-sm: 0 1px 3px rgba(31,35,40,0.12), 0 1px 2px rgba(31,35,40,0.08);
    --shadow-md: 0 4px 12px rgba(31,35,40,0.12), 0 2px 6px rgba(31,35,40,0.08);
    --shadow-lg: 0 12px 32px rgba(31,35,40,0.14), 0 4px 12px rgba(31,35,40,0.10);
    --shadow-xl: 0 24px 64px rgba(31,35,40,0.18);

    --canvas-bg: #f6f8fa;
    color-scheme: light;
}

/* Badge colors for light theme */
[data-theme="light"] .badge-blue   { background: rgba(9,105,218,0.08);  border-color: rgba(9,105,218,0.25);   color: #0550ae; }
[data-theme="light"] .badge-green  { background: rgba(26,127,55,0.08);  border-color: rgba(26,127,55,0.25);   color: #1a7f37; }
[data-theme="light"] .badge-purple { background: rgba(130,80,223,0.08); border-color: rgba(130,80,223,0.25);  color: #6e40c9; }
[data-theme="light"] .badge-amber  { background: rgba(154,103,0,0.08);  border-color: rgba(154,103,0,0.25);   color: #9a6700; }
[data-theme="light"] .badge-teal   { background: rgba(23,162,184,0.08); border-color: rgba(23,162,184,0.25);  color: #0e7490; }

/* Status pill & dot for light theme */
[data-theme="light"] .status-pill  { background: rgba(26,127,55,0.08); border-color: rgba(26,127,55,0.3); color: #1a7f37; }
[data-theme="light"] .status-dot,
[data-theme="light"] .status-dot::after { background: #1a7f37; }
[data-theme="light"] .status-dot   { box-shadow: none; }

/* Terminal in light theme */
[data-theme="light"] .terminal-window { background: #f6f8fa; border-color: var(--border); }
[data-theme="light"] .terminal-header { background: #f0f2f5; }
[data-theme="light"] .terminal-body   { background: #fafafa; color: #24292f; }
[data-theme="light"] .terminal-output { color: #57606a; }
[data-theme="light"] .terminal-prompt { color: var(--accent); }
[data-theme="light"] .terminal-input  { color: #24292f; caret-color: var(--accent); }

/* Canvas background in light mode */
[data-theme="light"] #canvas-container { background: #f6f8fa; }
[data-theme="light"] .ambient-glow { opacity: 0.15; }

/* Text gradient light override */
[data-theme="light"] .text-gradient {
    background: linear-gradient(135deg, #1c2128 0%, #0969da 60%, #0550ae 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Eyebrow in light */
[data-theme="light"] .eyebrow       { color: var(--accent); }
[data-theme="light"] .eyebrow::before { background: var(--accent); }

/* Grain overlay — invisible in light */
[data-theme="light"] body::after { opacity: 0.12; }

/* Section separator in light */
[data-theme="light"] .section-sep {
    background: linear-gradient(90deg, transparent, rgba(31,35,40,0.08), transparent);
}

/* Section divider */
[data-theme="light"] .section-divider { opacity: 0.5; }

/* ===================================================
   BASE RESET
   =================================================== */
*, *::before, *::after { 
    box-sizing: border-box; 
    margin: 0; 
    transition: background-color 0.3s ease, border-color 0.3s ease, color 0.3s ease, fill 0.3s ease;
}

html {
    scroll-behavior: smooth;
    color-scheme: light dark;
    font-size: 16px;
}

body {
    background-color: var(--bg-base);
    color: var(--text-primary);
    font-family: var(--font-sans);
    overflow-x: hidden;
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

::selection {
    background: rgba(79, 142, 247, 0.25);
    color: #ffffff;
}

a { text-decoration: none; color: inherit; }

/* ===================================================
   TYPOGRAPHY
   =================================================== */
h1, h2, h3, h4, h5, h6, .font-display {
    font-family: var(--font-display);
    letter-spacing: -0.025em;
    line-height: 1.25;
}

.font-mono { font-family: var(--font-mono); }

/* Section eyebrow label */
.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 1rem;
}

.eyebrow::before {
    content: '';
    display: block;
    width: 20px;
    height: 1.5px;
    background: var(--accent);
    border-radius: 2px;
}

/* ===================================================
   3D CANVAS BACKGROUND
   =================================================== */
#canvas-container {
    position: fixed;
    inset: 0;
    z-index: -1;
    pointer-events: none;
    background: var(--bg-base);
}

/* ===================================================
   SUBTLE GRAIN OVERLAY (adds realism/depth)
   =================================================== */
body::after {
    content: '';
    position: fixed;
    inset: 0;
    z-index: -1;
    pointer-events: none;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.04'/%3E%3C/svg%3E");
    background-repeat: repeat;
    opacity: 0.55;
}

/* Very subtle ambient tint — NOT neon, just barely visible */
.ambient-glow {
    position: fixed;
    border-radius: 50%;
    pointer-events: none;
    z-index: -1;
    filter: blur(130px);
    animation: slow-drift 20s ease-in-out infinite alternate;
}

.glow-1 {
    top: -10%;
    left: 15%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(79,142,247,0.07) 0%, transparent 70%);
}

.glow-2 {
    bottom: 15%;
    right: 10%;
    width: 450px;
    height: 450px;
    background: radial-gradient(circle, rgba(79,142,247,0.05) 0%, transparent 70%);
    animation-delay: -10s;
}

@keyframes slow-drift {
    0%   { transform: translate(0, 0) scale(1); }
    100% { transform: translate(25px, -30px) scale(1.08); }
}

/* ===================================================
   CARD COMPONENTS
   =================================================== */
.card {
    background: var(--bg-subtle);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}

.card:hover {
    border-color: rgba(240,246,252,0.18);
    box-shadow: var(--shadow-lg);
}

.card-interactive {
    cursor: default;
}

.card-interactive:hover {
    transform: translateY(-3px);
    border-color: var(--accent-border);
}

/* Top highlight line on hover for cards */
.card-highlight {
    position: relative;
    overflow: hidden;
}

.card-highlight::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--accent), transparent);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.card-highlight:hover::before { opacity: 1; }

/* ===================================================
   STATUS INDICATOR
   =================================================== */
.status-pill {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 5px 14px 5px 10px;
    background: rgba(63,185,80,0.08);
    border: 1px solid rgba(63,185,80,0.25);
    border-radius: 9999px;
    font-size: 0.8rem;
    font-weight: 500;
    color: #7ee787;
    font-family: var(--font-sans);
}

.status-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--green);
    position: relative;
    flex-shrink: 0;
}

.status-dot::after {
    content: '';
    position: absolute;
    inset: -2px;
    border-radius: 50%;
    background: var(--green);
    animation: ping 2.4s cubic-bezier(0, 0, 0.2, 1) infinite;
}

@keyframes ping {
    75%, 100% { transform: scale(2.2); opacity: 0; }
}

/* ===================================================
   NAVIGATION
   =================================================== */
.nav-scrolled {
    background: rgba(13, 17, 23, 0.92);
    backdrop-filter: saturate(180%) blur(20px);
    -webkit-backdrop-filter: saturate(180%) blur(20px);
    border-bottom: 1px solid var(--border);
}

.nav-link {
    position: relative;
    color: var(--text-secondary);
    font-size: 0.875rem;
    font-weight: 500;
    padding: 6px 2px;
    transition: color 0.2s ease;
    white-space: nowrap;
}

.nav-link:hover, .nav-link.active { color: var(--text-primary); }

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -2px; left: 0;
    width: 0; height: 2px;
    background: var(--accent);
    border-radius: 2px;
    transition: width 0.25s ease;
}

.nav-link.active::after, .nav-link:hover::after { width: 100%; }

/* ===================================================
   BUTTONS
   =================================================== */
.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 22px;
    background: var(--accent);
    color: #ffffff;
    font-size: 0.875rem;
    font-weight: 600;
    border-radius: var(--radius-md);
    border: 1px solid rgba(255,255,255,0.15);
    box-shadow: 0 1px 0 rgba(255,255,255,0.1) inset, var(--shadow-sm);
    transition: background 0.2s ease, box-shadow 0.2s ease, transform 0.15s ease;
    cursor: pointer;
    text-decoration: none;
    white-space: nowrap;
}

.btn-primary:hover {
    background: var(--accent-hover);
    box-shadow: 0 1px 0 rgba(255,255,255,0.1) inset, 0 0 18px rgba(79,142,247,0.35);
    transform: translateY(-1px);
    color: #ffffff;
}

.btn-primary:active { transform: translateY(0); }

.btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 22px;
    background: var(--bg-overlay);
    color: var(--text-primary);
    font-size: 0.875rem;
    font-weight: 600;
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-sm);
    transition: background 0.2s ease, border-color 0.2s ease, transform 0.15s ease;
    cursor: pointer;
    text-decoration: none;
    white-space: nowrap;
}

.btn-secondary:hover {
    background: #2d333b;
    border-color: rgba(240,246,252,0.2);
    transform: translateY(-1px);
    color: var(--text-primary);
}

/* ===================================================
   HERO METRICS
   =================================================== */
.metric-box {
    background: var(--bg-subtle);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 20px;
    text-align: center;
    transition: border-color 0.2s ease, transform 0.2s ease;
}

.metric-box:hover {
    border-color: var(--accent-border);
    transform: translateY(-3px);
}

.metric-number {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 800;
    color: var(--text-primary);
    line-height: 1.15;
}

.metric-label {
    font-size: 0.78rem;
    color: var(--text-secondary);
    font-weight: 500;
    margin-top: 4px;
}

/* ===================================================
   ABOUT TABS
   =================================================== */
.tab-nav {
    display: flex;
    border-bottom: 1px solid var(--border);
    gap: 0;
    overflow-x: auto;
    scrollbar-width: none;
}

.tab-nav::-webkit-scrollbar { display: none; }

.about-tab-btn {
    padding: 10px 18px;
    background: none;
    border: none;
    border-bottom: 2px solid transparent;
    color: var(--text-secondary);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    white-space: nowrap;
    transition: color 0.2s ease, border-color 0.2s ease;
    margin-bottom: -1px;
}

.about-tab-btn:hover { color: var(--text-primary); }

.about-tab-btn.active {
    color: var(--text-primary);
    border-bottom-color: var(--accent);
}

/* ===================================================
   SKILL CHIPS
   =================================================== */
.skill-chip {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 14px;
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: 9999px;
    font-size: 0.8375rem;
    font-weight: 500;
    color: var(--text-primary);
    transition: border-color 0.2s ease, color 0.2s ease, background 0.2s ease;
}

.skill-chip:hover {
    border-color: var(--accent-border);
    background: var(--accent-dim);
    color: #ffffff;
}

/* ===================================================
   SKILL CATEGORY FILTER
   =================================================== */
.filter-btn {
    padding: 7px 16px;
    background: transparent;
    border: 1px solid var(--border);
    border-radius: 9999px;
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.2s ease;
    white-space: nowrap;
}

.filter-btn:hover {
    border-color: rgba(240,246,252,0.2);
    color: var(--text-primary);
    background: var(--bg-surface);
}

.filter-btn.active {
    background: var(--accent-dim);
    border-color: var(--accent-border);
    color: #fff;
}

/* ===================================================
   DEVELOPER TERMINAL
   =================================================== */
.terminal-window {
    background: #0d1117;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    overflow: hidden;
    font-family: var(--font-mono);
}

.terminal-header {
    background: var(--bg-subtle);
    border-bottom: 1px solid var(--border-muted);
    padding: 10px 16px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.terminal-dots { display: flex; gap: 7px; }

.terminal-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.terminal-dot.red    { background: #f85149; }
.terminal-dot.yellow { background: #d29922; }
.terminal-dot.green  { background: #3fb950; }

.terminal-body {
    padding: 18px 20px;
    max-height: 400px;
    overflow-y: auto;
    font-size: 0.8375rem;
    line-height: 1.75;
    color: #c9d1d9;
    scrollbar-width: thin;
    scrollbar-color: #21262d transparent;
}

.terminal-prompt  { color: var(--accent); font-weight: 600; }
.terminal-command { color: #c9d1d9; }
.terminal-output  { color: #8b949e; margin-bottom: 10px; }

.terminal-input-row { display: flex; align-items: center; gap: 8px; margin-top: 4px; }

.terminal-input {
    background: transparent;
    border: none;
    outline: none;
    color: #c9d1d9;
    font-family: var(--font-mono);
    font-size: 0.8375rem;
    width: 100%;
    caret-color: var(--accent);
}

/* ===================================================
   PROJECT MODAL
   =================================================== */
.custom-modal {
    position: fixed;
    inset: 0;
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    background: rgba(1, 4, 9, 0.8);
    backdrop-filter: blur(10px);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.25s ease, visibility 0.25s ease;
}

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

.modal-card {
    background: var(--bg-subtle);
    border: 1px solid rgba(240,246,252,0.14);
    border-radius: var(--radius-xl);
    max-width: 720px;
    width: 100%;
    max-height: 88vh;
    overflow-y: auto;
    box-shadow: var(--shadow-xl);
    transform: scale(0.96) translateY(16px);
    transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.custom-modal.active .modal-card { transform: scale(1) translateY(0); }

/* ===================================================
   TOAST NOTIFICATIONS
   =================================================== */
#toast-container {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 10000;
    display: flex;
    flex-direction: column;
    gap: 10px;
    pointer-events: none;
}

.toast {
    background: var(--bg-overlay);
    border: 1px solid var(--border);
    color: var(--text-primary);
    padding: 12px 18px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.875rem;
    font-weight: 500;
    transform: translateY(12px);
    opacity: 0;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    pointer-events: auto;
    min-width: 240px;
}

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

/* ===================================================
   SCROLL PROGRESS BUTTON
   =================================================== */
#scroll-progress-btn {
    position: fixed;
    bottom: 24px;
    left: 24px;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--bg-overlay);
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 999;
    box-shadow: var(--shadow-md);
    opacity: 0;
    visibility: hidden;
    transform: translateY(12px);
    transition: all 0.25s ease;
}

#scroll-progress-btn.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

#scroll-progress-btn:hover {
    border-color: var(--accent-border);
    background: var(--bg-surface);
    transform: translateY(-2px);
}

#scroll-progress-btn svg {
    position: absolute;
    width: 44px;
    height: 44px;
    transform: rotate(-90deg);
}

#progress-circle {
    stroke-dasharray: 126;
    stroke-dashoffset: 126;
    transition: stroke-dashoffset 0.1s linear;
}

/* ===================================================
   SCROLLBAR
   =================================================== */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: #21262d; border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: #30363d; }

/* ===================================================
   INPUT FIELDS (Contact Form)
   =================================================== */
.form-input {
    width: 100%;
    padding: 10px 14px;
    background: var(--bg-base);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-family: var(--font-sans);
    font-size: 0.875rem;
    outline: none;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
    resize: none;
}

.form-input::placeholder { color: var(--text-muted); }

.form-input:focus {
    border-color: var(--accent-border);
    box-shadow: 0 0 0 3px rgba(79,142,247,0.12);
}

/* ===================================================
   UTILITIES
   =================================================== */
.text-accent { color: var(--accent); }

.text-gradient {
    background: linear-gradient(135deg, #ffffff 0%, #8b9cf7 60%, var(--accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.divider {
    border: none;
    height: 1px;
    background: var(--border);
    margin: 0;
}

.badge {
    display: inline-flex;
    align-items: center;
    padding: 3px 10px;
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: 9999px;
    border: 1px solid;
}

.badge-blue   { background: rgba(79,142,247,0.1);  border-color: rgba(79,142,247,0.3);  color: #79c0ff; }
.badge-green  { background: rgba(63,185,80,0.1);   border-color: rgba(63,185,80,0.3);   color: #56d364; }
.badge-purple { background: rgba(139,92,246,0.1);  border-color: rgba(139,92,246,0.3);  color: #d2a8ff; }
.badge-amber  { background: rgba(210,153,34,0.1);  border-color: rgba(210,153,34,0.3);  color: #e3b341; }
.badge-teal   { background: rgba(34,198,180,0.1);  border-color: rgba(34,198,180,0.3);  color: #39d5c6; }

/* Subtle section separator gradient lines */
.section-divider {
    width: 48px;
    height: 3px;
    background: var(--accent);
    border-radius: 2px;
    margin: 0 auto 1rem;
    opacity: 0.6;
}

/* Inlined Code spans */
code {
    font-family: var(--font-mono);
    font-size: 0.8em;
    background: rgba(110,118,129,0.1);
    border: 1px solid rgba(110,118,129,0.2);
    border-radius: 4px;
    padding: 2px 6px;
    color: #f0883e;
}

/* Soft horizontal rule between sections */
.section-sep {
    border: none;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--border), transparent);
    margin: 0;
}

/* ===================================================
   THEME TRANSITION — exclude elements that shouldn't animate
   =================================================== */
canvas,
video,
img,
svg,
#canvas-container {
    transition: none !important;
}

/* ===================================================
   LIGHT MODE — element overrides for inline-styled nodes
   These selectors undo hardcoded dark hex values in HTML
   =================================================== */

/* Body text colors that inherit from variables work automatically.
   Sections using inline `style="color:#xxx"` need these overrides. */

[data-theme="light"] body {
    background-color: var(--bg-base);
    color: var(--text-primary);
}

/* Metric boxes */
[data-theme="light"] .metric-box {
    background: var(--bg-subtle);
    border-color: var(--border);
}

[data-theme="light"] .metric-number { color: var(--text-primary); }
[data-theme="light"] .metric-label  { color: var(--text-secondary); }

/* Card overrides */
[data-theme="light"] .card {
    background: var(--bg-subtle);
    border-color: var(--border);
}

[data-theme="light"] .card:hover {
    border-color: rgba(31,35,40,0.22);
}

[data-theme="light"] .card-interactive:hover {
    border-color: var(--accent-border);
}

/* Skill chips */
[data-theme="light"] .skill-chip {
    background: var(--bg-overlay);
    border-color: var(--border);
    color: var(--text-primary);
}
[data-theme="light"] .skill-chip:hover {
    background: var(--accent-dim);
    border-color: var(--accent-border);
    color: var(--accent);
}

/* Filter buttons */
[data-theme="light"] .filter-btn {
    color: var(--text-secondary);
    border-color: var(--border);
}
[data-theme="light"] .filter-btn:hover {
    background: var(--bg-overlay);
    color: var(--text-primary);
}
[data-theme="light"] .filter-btn.active {
    background: var(--accent-dim);
    border-color: var(--accent-border);
    color: var(--accent);
}

/* Navigation */
[data-theme="light"] .nav-scrolled {
    background: rgba(255,255,255,0.92);
    border-bottom-color: var(--border);
}

[data-theme="light"] .nav-link { color: var(--text-secondary); }
[data-theme="light"] .nav-link:hover,
[data-theme="light"] .nav-link.active { color: var(--text-primary); }

/* Buttons */
[data-theme="light"] .btn-primary {
    background: var(--accent);
    border-color: rgba(0,0,0,0.1);
    box-shadow: 0 1px 0 rgba(255,255,255,0.2) inset, var(--shadow-sm);
}
[data-theme="light"] .btn-primary:hover { background: var(--accent-hover); }

[data-theme="light"] .btn-secondary {
    background: var(--bg-overlay);
    border-color: var(--border);
    color: var(--text-primary);
}
[data-theme="light"] .btn-secondary:hover {
    background: #e9ebee;
    border-color: rgba(31,35,40,0.22);
}

/* Tab nav */
[data-theme="light"] .tab-nav { border-color: var(--border); }
[data-theme="light"] .about-tab-btn { color: var(--text-secondary); }
[data-theme="light"] .about-tab-btn:hover { color: var(--text-primary); }
[data-theme="light"] .about-tab-btn.active {
    color: var(--text-primary);
    border-bottom-color: var(--accent);
}

/* Toast */
[data-theme="light"] .toast {
    background: #ffffff;
    border-color: var(--border);
    color: var(--text-primary);
    box-shadow: var(--shadow-lg);
}

/* Scroll progress btn */
[data-theme="light"] #scroll-progress-btn {
    background: #ffffff;
    border-color: var(--border);
}
[data-theme="light"] #scroll-progress-btn:hover {
    background: var(--bg-overlay);
    border-color: var(--accent-border);
}

/* Scrollbar */
[data-theme="light"] ::-webkit-scrollbar-track  { background: #f6f8fa; }
[data-theme="light"] ::-webkit-scrollbar-thumb  { background: #d0d7de; }
[data-theme="light"] ::-webkit-scrollbar-thumb:hover { background: #b0b9c4; }

/* Inline `code` spans */
[data-theme="light"] code {
    background: rgba(175,184,193,0.2);
    border-color: rgba(175,184,193,0.35);
    color: #953800;
}

/* Form inputs */
[data-theme="light"] .form-input {
    background: #ffffff;
    border-color: var(--border);
    color: var(--text-primary);
}
[data-theme="light"] .form-input::placeholder { color: var(--text-muted); }
[data-theme="light"] .form-input:focus {
    border-color: var(--accent-border);
    box-shadow: 0 0 0 3px rgba(9,105,218,0.1);
}

/* Modal */
[data-theme="light"] .custom-modal { background: rgba(22,27,34,0.6); }
[data-theme="light"] .modal-card {
    background: #ffffff;
    border-color: rgba(31,35,40,0.16);
}

/* Theme toggle button hover */
#theme-toggle:hover {
    background: var(--bg-surface) !important;
    border-color: var(--accent-border) !important;
    color: var(--accent) !important;
}

/* ===================================================
   LIGHT MODE — Text readability overrides
   Inline strong/em tags and section text that use
   hard-coded dark values in parent containers
   =================================================== */

/* Strong text used for emphasis in body paragraphs */
[data-theme="light"] strong { color: var(--text-primary); }

/* Navigation brand */
[data-theme="light"] nav span[style*="color:#e6edf3"],
[data-theme="light"] nav span[style*="color:var(--text-primary)"] { color: var(--text-primary) !important; }

/* Experience & timeline bullet arrow colors stay readable */
[data-theme="light"] span[style*="color:var(--accent)"] { color: var(--accent) !important; }

/* Footer */
[data-theme="light"] footer p,
[data-theme="light"] footer a { color: var(--text-muted); }
[data-theme="light"] footer p[style*="color:var(--text-primary)"] { color: var(--text-primary) !important; }

/* Ensure all text in section tags reads properly */
[data-theme="light"] section,
[data-theme="light"] article,
[data-theme="light"] main {
    color: var(--text-secondary);
}

/* Headings in sections */
[data-theme="light"] h1,
[data-theme="light"] h2,
[data-theme="light"] h3,
[data-theme="light"] h4,
[data-theme="light"] h5 {
    color: var(--text-primary);
}

/* All paragraph text */
[data-theme="light"] p { color: var(--text-secondary); }

/* About image overlay gradient adapts to light */
[data-theme="light"] .aspect-\[3\/4\] > div[style*="linear-gradient"] {
    background: linear-gradient(to top, var(--bg-subtle) 0%, transparent 55%) !important;
}

/* Font mono tags in terminal & code areas */
[data-theme="light"] .font-mono { color: var(--text-secondary); }

/* Timeline node + stem */
[data-theme="light"] .timeline-node { border-color: var(--bg-base); }

/* Eyebrow text (section labels) */
[data-theme="light"] .eyebrow { color: var(--accent); }