/* ================================================
   RESET
   ================================================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; }
body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen,
                 Ubuntu, Cantarell, 'Helvetica Neue', sans-serif;
    background: var(--bg);
    color: var(--text);
    min-height: 100vh;
    transition: background 0.4s, color 0.4s;
    overflow-x: hidden;
}

/* ================================================
   BACKGROUND CANVASES
   ================================================ */
#stripes, #distortion {
    position: fixed;
    inset: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
}
#distortion { z-index: 1; }

/* ================================================
   LAYOUT — desktop: sidebar + content
   ================================================ */
.layout {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: 320px 1fr;
    min-height: 100vh;
}

/* ── Sidebar ── */
.sidebar {
    position: sticky;
    top: 0;
    height: 100vh;
    border-right: 1px solid var(--border);
    background: var(--bg-sec);
    transition: background 0.4s, border-color 0.4s;
    display: flex;
    align-items: center;
    justify-content: center;
}

.sidebar-inner {
    padding: 2.5rem 2rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.8rem;
    text-align: center;
}

/* avatar */
.avatar-wrap { position: relative; }

.avatar {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--border);
    transition: border-color 0.3s, transform 0.4s;
}
.avatar:hover {
    border-color: var(--accent);
    transform: scale(1.04);
}

.name {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--text);
}

.profession {
    font-size: 0.9rem;
    color: var(--text-sec);
}

.status {
    font-size: 0.78rem;
    color: var(--accent);
    background: rgba(0,210,255,0.08);
    padding: 4px 12px;
    border-radius: 20px;
    font-weight: 600;
}

.location {
    font-size: 0.8rem;
    color: var(--text-sec);
}

/* live age */
.age-block {
    margin-top: 1rem;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 0.8rem 1.4rem;
    transition: background 0.4s, border-color 0.4s;
}

.age-label {
    font-size: 0.65rem;
    text-transform: uppercase;
    letter-spacing: 3px;
    color: var(--text-sec);
    margin-bottom: 0.2rem;
}

.age-value {
    font-family: 'Courier New', monospace;
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--accent);
}

/* theme toggle */
.theme-toggle {
    margin-top: 1.2rem;
    width: 44px;
    height: 44px;
    border-radius: 12px;
    border: 1px solid var(--border);
    background: var(--surface);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    transition: background 0.3s, border-color 0.3s, transform 0.2s;
}
.theme-toggle:hover {
    border-color: var(--accent);
    transform: scale(1.08);
}

/* ================================================
   CONTENT AREA
   ================================================ */
.content {
    padding: 3rem;
}

.grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.2rem;
}

/* ── Card ── */
.card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 1.5rem;
    transition: background 0.4s, border-color 0.3s, transform 0.3s, box-shadow 0.3s;
    opacity: 0;
    transform: translateY(20px);
    animation: cardIn var(--card-dur) ease forwards;
}

.card:hover {
    border-color: var(--border-hover);
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(0,0,0,0.12);
}

.card--full { grid-column: 1 / -1; }
.card--half { grid-column: span 1; }

.card-title {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--text-sec);
    margin-bottom: 1rem;
    padding-bottom: 0.6rem;
    border-bottom: 1px solid var(--border);
}

.card-text {
    line-height: 1.7;
    color: var(--text-sec);
    font-size: 0.95rem;
}

/* ── Stats ── */
.stats-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
    gap: 1rem;
}

.stat { text-align: center; }

.stat-val {
    display: block;
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--accent);
    line-height: 1.2;
}

.stat-lbl {
    display: block;
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--text-sec);
    margin-top: 0.3rem;
}

/* ── Tags ── */
.tags { display: flex; flex-wrap: wrap; gap: 8px; }

.tag {
    padding: 5px 14px;
    border-radius: 8px;
    font-size: 0.85rem;
    background: var(--bg-sec);
    border: 1px solid var(--border);
    color: var(--text-sec);
    transition: all 0.25s;
    cursor: default;
}
.tag:hover {
    background: var(--accent);
    color: #000;
    border-color: var(--accent);
    transform: translateY(-2px);
}

/* ── Links grid ── */
.links-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 10px;
}

.link-card {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 16px;
    border-radius: 10px;
    text-decoration: none;
    color: var(--text);
    background: var(--bg-sec);
    border: 1px solid var(--border);
    font-weight: 600;
    font-size: 0.9rem;
    transition: all 0.25s;
}
.link-card:hover {
    background: var(--accent);
    color: #000;
    border-color: var(--accent);
    transform: translateY(-2px);
}

.link-icon { font-size: 1.15rem; }

/* ================================================
   ANIMATION
   ================================================ */
@keyframes cardIn {
    to { opacity: 1; transform: translateY(0); }
}

/* ================================================
   RESPONSIVE
   ================================================ */
@media (max-width: 960px) {
    .layout {
        grid-template-columns: 1fr;
    }
    .sidebar {
        position: relative;
        height: auto;
        border-right: none;
        border-bottom: 1px solid var(--border);
    }
    .sidebar-inner {
        padding: 2rem;
    }
    .content { padding: 1.5rem; }
}

@media (max-width: 600px) {
    .grid { grid-template-columns: 1fr; }
    .card--half { grid-column: span 1; }
    .content { padding: 1rem; }
}