/* ========================================
   Data Dashboard Theme
   Left Sidebar + Multi-Panel Grid
   IBM Plex Sans + IBM Plex Mono
   ======================================== */

:root {
    --bg-primary: #1a1a2e;
    --bg-secondary: #16213e;
    --bg-card: #1e2a45;
    --bg-sidebar: #12122a;

    --text-primary: #e0e0e0;
    --text-secondary: #b0b0b0;
    --text-muted: #707080;

    --color-cyan: #00d2ff;
    --color-orange: #ff6b35;
    --color-green: #00c853;
    --color-purple: #7c4dff;

    --border-color: rgba(0, 210, 255, 0.12);
    --border-hover: rgba(0, 210, 255, 0.35);

    --shadow-sm: 0 1px 3px rgba(0,0,0,0.3);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.4);
    --shadow-glow: 0 0 15px rgba(0, 210, 255, 0.1);

    --font-sans: "IBM Plex Sans", -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: "IBM Plex Mono", "SF Mono", monospace;

    --sidebar-w: 56px;
    --transition: 200ms ease;
    --radius: 8px;
    --radius-sm: 4px;
}
/* ---- Global Resets ---- */
* { -webkit-tap-highlight-color: transparent; }
[data-theme="dark"] { color-scheme: dark; }
[data-theme="light"] { color-scheme: light; }
::selection { background: var(--color-cyan); color: #000; }


[data-theme="light"] {
    --bg-primary: #f0f2f5;
    --bg-secondary: #ffffff;
    --bg-card: #ffffff;
    --bg-sidebar: #e8eaed;

    --text-primary: #1a1a2e;
    --text-secondary: #4a4a5a;
    --text-muted: #8a8a9a;

    --color-cyan: #0099cc;
    --color-orange: #e05a2b;
    --color-green: #00a844;
    --color-purple: #6a3de8;

    --border-color: rgba(26, 26, 46, 0.1);
    --border-hover: rgba(0, 153, 204, 0.35);

    --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
    --shadow-glow: 0 0 15px rgba(0, 153, 204, 0.08);
}

/* Theme toggle icon visibility */
[data-theme="dark"] .sun-icon { display: block; }
[data-theme="dark"] .moon-icon { display: none; }
[data-theme="light"] .sun-icon { display: none; }
[data-theme="light"] .moon-icon { display: block; }

/* ========================================
   Reset & Base
   ======================================== */

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; font-size: 16px; }

body {
    font-family: var(--font-sans);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    transition: background var(--transition), color var(--transition);
}

a { color: var(--color-cyan); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--color-purple); }

/* ========================================
   Sidebar
   ======================================== */

.sidebar {
    position: fixed;
    top: 0;
    left: 0;
    width: var(--sidebar-w);
    height: 100vh;
    background: var(--bg-sidebar);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    align-items: center;
    padding: 12px 0;
    z-index: 100;
    transition: transform var(--transition);
}

.sidebar-logo {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--color-cyan);
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--color-cyan);
    border-radius: var(--radius-sm);
    margin-bottom: 20px;
}

.sidebar-nav {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.sidebar-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    color: var(--text-muted);
    background: transparent;
    border: none;
    cursor: pointer;
    transition: all var(--transition);
    position: relative;
}

.sidebar-icon svg { width: 20px; height: 20px; }

.sidebar-icon:hover {
    color: var(--color-cyan);
    background: rgba(0, 210, 255, 0.08);
}

.sidebar-icon.active {
    color: var(--color-cyan);
    background: rgba(0, 210, 255, 0.12);
}

.sidebar-icon.active::before {
    content: "";
    position: absolute;
    left: -8px;
    top: 50%;
    transform: translateY(-50%);
    width: 3px;
    height: 20px;
    background: var(--color-cyan);
    border-radius: 0 3px 3px 0;
}

.sidebar-top { display: flex; flex-direction: column; align-items: center; }
.sidebar-bottom { display: flex; flex-direction: column; align-items: center; }

/* ========================================
   Mobile Bar
   ======================================== */

.mobile-bar {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 48px;
    background: var(--bg-sidebar);
    border-bottom: 1px solid var(--border-color);
    align-items: center;
    justify-content: space-between;
    padding: 0 12px;
    z-index: 101;
}

.mobile-menu-btn, .mobile-theme-btn {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    cursor: pointer;
}

.mobile-menu-btn svg, .mobile-theme-btn svg { width: 18px; height: 18px; }

.mobile-logo {
    font-family: var(--font-mono);
    font-weight: 700;
    font-size: 0.9rem;
    color: var(--color-cyan);
}

/* ========================================
   Main Content
   ======================================== */

.main-content {
    margin-left: var(--sidebar-w);
    padding: 20px;
    min-height: 100vh;
}

.panel-section {
    margin-bottom: 20px;
}

/* ========================================
   Panels (Cards)
   ======================================== */

.panel {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 20px;
    transition: border-color var(--transition), box-shadow var(--transition);
}

.panel:hover {
    border-color: var(--border-hover);
    box-shadow: var(--shadow-glow);
}

.panel-header {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.panel-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    display: inline-block;
}

.panel-dot.cyan { background: var(--color-cyan); box-shadow: 0 0 6px var(--color-cyan); }
.panel-dot.orange { background: var(--color-orange); box-shadow: 0 0 6px var(--color-orange); }
.panel-dot.green { background: var(--color-green); box-shadow: 0 0 6px var(--color-green); }
.panel-dot.purple { background: var(--color-purple); box-shadow: 0 0 6px var(--color-purple); }

.full-panel { width: 100%; }

.panel-grid {
    display: grid;
    gap: 16px;
}

/* ========================================
   Overview Grid & Profile
   ======================================== */

.overview-grid {
    grid-template-columns: 1fr 1fr 1fr 1fr;
    grid-template-rows: auto auto;
}

.profile-panel {
    grid-column: 1 / 3;
    grid-row: 1 / 3;
}

.profile-body { text-align: center; }

.profile-avatar {
    width: 104px;
    height: 104px;
    margin: 0 auto 12px;
    border-radius: 50%;
    border: 2px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
}

.profile-avatar svg { width: 52px; height: 52px; }

.profile-name {
    font-size: 1.6rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--color-cyan), var(--color-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 4px;
}

.profile-title {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-bottom: 12px;
}

.profile-bio {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 16px;
}

.hl-cyan { color: var(--color-cyan); font-weight: 500; }
.hl-orange { color: var(--color-orange); font-weight: 500; }
.hl-purple { color: var(--color-purple); font-weight: 500; }

.profile-actions { display: flex; gap: 10px; justify-content: center; }

.btn {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 500;
    padding: 8px 18px;
    border-radius: var(--radius-sm);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    cursor: pointer;
    border: none;
    transition: all var(--transition);
}

.btn-primary {
    background: var(--color-cyan);
    color: #0a0a1a;
}

.btn-primary:hover {
    box-shadow: 0 0 16px rgba(0, 210, 255, 0.3);
    color: #0a0a1a;
}

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

.btn-outline:hover {
    border-color: var(--color-cyan);
    color: var(--color-cyan);
}

/* ========================================
   Metric Panels
   ======================================== */

.metric-value {
    font-family: var(--font-mono);
    font-size: 2.2rem;
    font-weight: 700;
    line-height: 1;
    margin-bottom: 4px;
}

.metric-cyan .metric-value { color: var(--color-cyan); }
.metric-orange .metric-value { color: var(--color-orange); }
.metric-green .metric-value { color: var(--color-green); }
.metric-purple .metric-value { color: var(--color-purple); }

.metric-label {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 12px;
}

.metric-bar {
    height: 4px;
    background: var(--border-color);
    border-radius: 2px;
    overflow: hidden;
}

.metric-fill {
    height: 100%;
    width: var(--fill);
    border-radius: 2px;
    transition: width 1s ease;
}

.metric-cyan .metric-fill { background: var(--color-cyan); }
.metric-orange .metric-fill { background: var(--color-orange); }
.metric-green .metric-fill { background: var(--color-green); }
.metric-purple .metric-fill { background: var(--color-purple); }

/* ========================================
   Publications Table
   ======================================== */

.table-controls {
    margin-left: auto;
    display: flex;
    gap: 4px;
}

.sort-btn {
    font-family: var(--font-mono);
    font-size: 0.65rem;
    padding: 3px 10px;
    background: transparent;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-muted);
    cursor: pointer;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    transition: all var(--transition);
}

.sort-btn:hover { border-color: var(--color-cyan); color: var(--color-cyan); }
.sort-btn.active { background: rgba(0,210,255,0.1); border-color: var(--color-cyan); color: var(--color-cyan); }

.pub-table-head {
    display: grid;
    grid-template-columns: 70px 1fr 140px 120px;
    gap: 12px;
    padding: 8px 12px;
    font-family: var(--font-mono);
    font-size: 0.65rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    border-bottom: 1px solid var(--border-color);
}

.pub-row {
    display: grid;
    grid-template-columns: 70px 1fr 140px 120px;
    gap: 12px;
    padding: 14px 12px;
    border-bottom: 1px solid var(--border-color);
    align-items: center;
    transition: background var(--transition);
}

.pub-row:last-child { border-bottom: none; }
.pub-row:hover { background: rgba(0,210,255,0.03); }

.year-badge {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--color-cyan);
}

.pub-col-title strong {
    display: block;
    font-size: 0.9rem;
    font-weight: 600;
    line-height: 1.4;
    margin-bottom: 2px;
}

.pub-authors {
    font-size: 0.8rem;
    color: var(--text-muted);
    display: block;
}

.pub-authors strong { color: var(--color-orange); }

.pub-col-venue {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.pub-col-links { display: flex; gap: 4px; flex-wrap: wrap; }

.link-chip {
    font-family: var(--font-mono);
    font-size: 0.65rem;
    padding: 2px 8px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    transition: all var(--transition);
}

.link-chip:hover { border-color: var(--color-cyan); color: var(--color-cyan); }

/* ========================================
   Kanban Cards
   ======================================== */

.kanban-grid {
    grid-template-columns: repeat(3, 1fr);
}

.kanban-card {
    position: relative;
}

.kanban-card::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    border-radius: var(--radius) var(--radius) 0 0;
    background: var(--color-green);
}

.kanban-title {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 8px;
}

.kanban-desc {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 12px;
}

.kanban-tags { display: flex; flex-wrap: wrap; gap: 4px; margin-bottom: 14px; }

.ktag {
    font-family: var(--font-mono);
    font-size: 0.65rem;
    padding: 2px 8px;
    background: rgba(0,210,255,0.08);
    color: var(--color-cyan);
    border-radius: var(--radius-sm);
    border: 1px solid rgba(0,210,255,0.12);
}

.kanban-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.kanban-status {
    font-family: var(--font-mono);
    font-size: 0.65rem;
    padding: 2px 8px;
    border-radius: var(--radius-sm);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 600;
}

.status-active { background: rgba(0,200,83,0.12); color: var(--color-green); }
.status-done { background: rgba(255,107,53,0.12); color: var(--color-orange); }

/* ========================================
   News Feed
   ======================================== */

.feed-list { display: flex; flex-direction: column; }

.feed-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 12px 0;
    border-bottom: 1px solid var(--border-color);
}

.feed-item:last-child { border-bottom: none; }

.feed-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    margin-top: 6px;
    flex-shrink: 0;
}

.feed-dot.green { background: var(--color-green); }
.feed-dot.cyan { background: var(--color-cyan); }
.feed-dot.orange { background: var(--color-orange); }
.feed-dot.purple { background: var(--color-purple); }

.feed-body { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }

.feed-time {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-muted);
    min-width: 60px;
}

.feed-badge {
    font-family: var(--font-mono);
    font-size: 0.6rem;
    padding: 1px 7px;
    border-radius: var(--radius-sm);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    font-weight: 600;
}

.badge-new { background: rgba(0,200,83,0.15); color: var(--color-green); }
.badge-talk { background: rgba(0,210,255,0.15); color: var(--color-cyan); }
.badge-award { background: rgba(255,107,53,0.15); color: var(--color-orange); }
.badge-release { background: rgba(124,77,255,0.15); color: var(--color-purple); }

.feed-text { font-size: 0.88rem; color: var(--text-secondary); }

/* ========================================
   Timeline
   ======================================== */

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

.timeline { position: relative; padding-left: 20px; }

.timeline::before {
    content: "";
    position: absolute;
    left: 3px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--border-color);
}

.tl-item {
    position: relative;
    padding-bottom: 20px;
}

.tl-item:last-child { padding-bottom: 0; }

.tl-marker {
    position: absolute;
    left: -20px;
    top: 4px;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--color-purple);
    border: 2px solid var(--bg-card);
}

.tl-period {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--text-muted);
    display: block;
    margin-bottom: 2px;
}

.tl-content h4 {
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 2px;
}

.tl-content p {
    font-size: 0.82rem;
    color: var(--text-secondary);
}

/* ========================================
   Contact
   ======================================== */

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

.contact-panel { max-width: 480px; }

.contact-body p {
    font-size: 0.88rem;
    color: var(--text-secondary);
    margin-bottom: 14px;
}

.contact-row {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 8px;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.contact-row svg { color: var(--color-cyan); flex-shrink: 0; }

.contact-links {
    display: flex;
    gap: 6px;
    margin-top: 14px;
}

/* ========================================
   Footer
   ======================================== */

.dashboard-footer {
    padding: 20px 0;
    text-align: center;
    border-top: 1px solid var(--border-color);
    margin-top: 10px;
}

.dashboard-footer p {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--text-muted);
}

/* ========================================
   Scroll Animations
   ======================================== */

.scroll-animate {
    opacity: 0;
    transform: translateY(16px);
    transition: opacity 0.4s ease, transform 0.4s ease;
}

.scroll-animate.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ========================================
   Responsive - Tablet
   ======================================== */

@media (max-width: 1024px) {
    .overview-grid {
        grid-template-columns: 1fr 1fr;
    }

    .profile-panel {
        grid-column: 1 / -1;
        grid-row: auto;
    }

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

    .pub-table-head,
    .pub-row {
        grid-template-columns: 60px 1fr 100px;
    }

    .pub-col-links { display: none; }
}

/* ========================================
   Responsive - Mobile
   ======================================== */

@media (max-width: 768px) {
    .sidebar { transform: translateX(-100%); }
    .sidebar.open { transform: translateX(0); }

    .mobile-bar { display: flex; }

    .main-content {
        margin-left: 0;
        padding: 60px 12px 12px;
    }

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

    .kanban-grid { grid-template-columns: 1fr; }
    .timeline-grid { grid-template-columns: 1fr; }
    .contact-grid { grid-template-columns: 1fr; }

    .pub-table-head,
    .pub-row {
        grid-template-columns: 50px 1fr;
    }

    .pub-col-venue { display: none; }
    .pub-col-links { display: none; }

    .profile-name { font-size: 1.3rem; }
    .metric-value { font-size: 1.6rem; }
}

/* Sidebar overlay on mobile */
.sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    z-index: 99;
}

.sidebar-overlay.active { display: block; }

/* ---- Focus Styles ---- */
:focus-visible { outline: 2px solid var(--color-cyan); outline-offset: 3px; border-radius: 2px; }

/* ---- Skip Link ---- */
.skip-link { position: absolute; top: -40px; left: 0; background: var(--color-cyan); color: #fff; padding: 8px 16px; z-index: 9999; font-size: 0.875rem; transition: top 0.2s; }
.skip-link:focus { top: 0; }