/*
╔═══════════════════════════════════════════════════════════════════╗
║ PROFILE PAGE — Bento Grid v2 CSS                                  ║
║ Direction B: Full-width asymmetric cards, app-density              ║
║ All colors via --io-* CSS variables — no hard-coded values         ║
╚═══════════════════════════════════════════════════════════════════╝
*/

/* ====================================================================
   CONTAINER
   ==================================================================== */

.profile-container {
    display: flex;
    flex-direction: column;
    height: 100%;
    width: 100%;
    overflow-y: auto;
    overflow-x: hidden;
}

/* ====================================================================
   SCROLLBAR
   ==================================================================== */

.profile-container::-webkit-scrollbar { width: 5px; }
.profile-container::-webkit-scrollbar-track { background: transparent; }
.profile-container::-webkit-scrollbar-thumb {
    background: var(--io-border);
    border-radius: 3px;
}
.profile-container::-webkit-scrollbar-thumb:hover { background: var(--io-accent); }

/* ====================================================================
   HERO BAR — full width, horizontal identity strip
   ==================================================================== */

.pf-hero {
    display: flex;
    align-items: center;
    gap: var(--io-space-xl);
    padding: var(--io-space-xl) var(--io-space-xl);
    border-bottom: 1px solid var(--io-border);
    flex-shrink: 0;
    position: relative;
    overflow: hidden;
    user-select: none;
}

.pf-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(var(--io-border-subtle) 1px, transparent 1px),
        linear-gradient(90deg, var(--io-border-subtle) 1px, transparent 1px);
    background-size: 48px 48px;
    opacity: 0.25;
    pointer-events: none;
}

.pf-hero::after {
    content: '';
    position: absolute;
    left: 40px;
    top: 50%;
    transform: translateY(-50%);
    width: 180px;
    height: 180px;
    border-radius: 50%;
    background: radial-gradient(circle, var(--io-accent-glow), transparent 70%);
    filter: blur(50px);
    pointer-events: none;
}

.pf-hero-left {
    display: flex;
    align-items: center;
    gap: var(--io-space-lg);
    position: relative;
    z-index: 1;
    flex-shrink: 0;
}

.pf-avatar {
    width: 64px;
    height: 64px;
    border-radius: var(--io-radius-md);
    background: var(--io-surface-sunken);
    border: 1px solid var(--io-accent);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.6rem;
    color: var(--io-accent);
    flex-shrink: 0;
    box-shadow: var(--io-glow-sm);
    overflow: hidden;
}

.pf-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.pf-hero-id {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.pf-name {
    font-family: var(--io-font-mono);
    font-size: var(--io-text-xl);
    font-weight: 800;
    color: var(--io-text-primary);
    letter-spacing: -0.5px;
}

.pf-handle {
    font-family: var(--io-font-mono);
    font-size: var(--io-text-xs);
    color: var(--io-accent);
    opacity: 0.8;
}

.pf-hero-right {
    flex: 1;
    min-width: 0;
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    gap: var(--io-space-sm);
}

.pf-tagline {
    font-family: var(--io-font-mono);
    font-size: var(--io-text-sm);
    color: var(--io-text-secondary);
    line-height: 1.6;
}

.pf-tags {
    display: flex;
    gap: var(--io-space-xs);
    flex-wrap: wrap;
}

.pf-tag {
    padding: 2px 8px;
    border: 1px solid var(--io-border);
    border-radius: var(--io-radius-sm);
    font-family: var(--io-font-mono);
    font-size: 10px;
    color: var(--io-text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: var(--io-transition-fast);
}

.pf-tag:hover {
    border-color: var(--io-accent);
    color: var(--io-accent);
}

/* ====================================================================
   BENTO GRID
   ==================================================================== */

.pf-bento {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0;
    flex: 1;
    min-height: 0;
}

/* ====================================================================
   CARD — shared base
   ==================================================================== */

.pf-card {
    padding: var(--io-space-xl);
    border-bottom: 1px solid var(--io-border-subtle);
    border-right: 1px solid var(--io-border-subtle);
    min-width: 0;
    user-select: none;
}

.pf-card:nth-child(even) {
    border-right: none;
}

/* ====================================================================
   CARD HEADER
   ==================================================================== */

.pf-hdr {
    font-family: var(--io-font-mono);
    font-size: var(--io-text-xs);
    font-weight: 700;
    color: var(--io-text-tertiary);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: var(--io-space-lg);
    display: flex;
    align-items: center;
    gap: var(--io-space-sm);
    user-select: none;
}

.pf-hdr i {
    color: var(--io-accent);
    font-size: var(--io-text-sm);
}

/* ====================================================================
   ABOUT — spans full left column height of row 1
   ==================================================================== */

.pf-card--about {
    grid-row: span 1;
    user-select: unset;
}

/* ====================================================================
   METRICS — stats 2x2 + quote stacked
   ==================================================================== */

.pf-card--metrics {
    display: flex;
    flex-direction: column;
    padding: 0;
    border-right: none;
}

/* ====================================================================
   FACTS 2×2
   ==================================================================== */

.pf-facts {
    display: grid;
    gap: 1px;
    background: var(--io-border-subtle);
    flex-shrink: 0;
    user-select: none;
}

.pf-fact {
    background: var(--io-surface-base);
    padding: var(--io-space-lg) var(--io-space-md);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
    text-align: center;
}

.pf-fact-value {
    font-family: var(--io-font-mono);
    font-size: var(--io-text-2xl);
    font-weight: 800;
    color: var(--io-accent);
}

.pf-fact-label {
    font-family: var(--io-font-mono);
    font-size: 9px;
    color: var(--io-text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* ====================================================================
   QUOTE (inside metrics card)
   ==================================================================== */

.pf-quote-box {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--io-space-xl);
    border-top: 1px solid var(--io-border-subtle);
}

.pf-quote {
    font-family: var(--io-font-mono);
    font-size: var(--io-text-sm);
    color: var(--io-text-tertiary);
    font-style: italic;
    line-height: 1.8;
    border-left: 2px solid var(--io-accent);
    padding-left: var(--io-space-md);
    margin: 0;
    max-width: 360px;
}

.pf-quote-attr {
    display: block;
    font-size: var(--io-text-xs);
    color: var(--io-accent);
    font-style: normal;
    margin-top: var(--io-space-sm);
}

/* ====================================================================
   BIO
   ==================================================================== */

.pf-bio {
    font-family: var(--io-font-mono);
    font-size: var(--io-text-sm);
    color: var(--io-text-secondary);
    line-height: 1.8;
}

.pf-bio p { margin: 0 0 var(--io-space-md); }
.pf-bio p:last-child { margin-bottom: 0; }
.pf-bio strong { color: var(--io-text-primary); font-weight: 700; }
.pf-bio em { color: var(--io-accent); font-style: normal; }

/* ====================================================================
   SOCIAL LINKS
   ==================================================================== */

.pf-socials {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--io-space-sm);
}

.pf-social {
    display: flex;
    align-items: center;
    gap: var(--io-space-md);
    padding: var(--io-space-sm) var(--io-space-md);
    background: var(--io-surface-sunken);
    border-radius: var(--io-radius-sm);
    text-decoration: none;
    color: inherit;
    transition: var(--io-transition-base);
    border: 1px solid transparent;
}

.pf-social:hover {
    border-color: var(--io-accent);
    background: var(--io-surface-hover);
}

.pf-social-icon {
    font-size: var(--io-text-lg);
    width: 24px;
    text-align: center;
    flex-shrink: 0;
}

.pf-social-info {
    display: flex;
    flex-direction: column;
    gap: 1px;
    min-width: 0;
    flex: 1;
}

.pf-social-name {
    font-family: var(--io-font-mono);
    font-size: var(--io-text-sm);
    font-weight: 600;
    color: var(--io-text-primary);
}

.pf-social-handle {
    font-family: var(--io-font-mono);
    font-size: 11px;
    color: var(--io-text-tertiary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.pf-social-arrow {
    font-size: 10px;
    color: var(--io-text-tertiary);
    opacity: 0;
    transition: var(--io-transition-fast);
    flex-shrink: 0;
}

.pf-social:hover .pf-social-arrow {
    opacity: 1;
    color: var(--io-accent);
}

/* ====================================================================
   FEEDS
   ==================================================================== */

.pf-feeds {
    display: flex;
    gap: var(--io-space-sm);
    margin-top: var(--io-space-lg);
}

.pf-feed {
    display: flex;
    align-items: center;
    gap: var(--io-space-sm);
    padding: var(--io-space-sm) var(--io-space-lg);
    background: var(--io-surface-sunken);
    border: 1px solid transparent;
    border-radius: var(--io-radius-sm);
    text-decoration: none;
    font-family: var(--io-font-mono);
    font-size: var(--io-text-xs);
    font-weight: 600;
    color: var(--io-text-secondary);
    transition: var(--io-transition-base);
}

.pf-feed i { color: var(--io-accent); }

.pf-feed:hover {
    border-color: var(--io-accent);
    color: var(--io-accent);
}

/* ====================================================================
   TECH STACK — PROGRESS BARS
   ==================================================================== */

.pf-stack {
    display: flex;
    flex-direction: column;
    gap: var(--io-space-sm);
}

.pf-stack-row {
    display: flex;
    align-items: center;
    gap: var(--io-space-md);
}

.pf-stack-name {
    font-family: var(--io-font-mono);
    font-size: var(--io-text-xs);
    color: var(--io-text-secondary);
    width: 130px;
    flex-shrink: 0;
}

.pf-stack-track {
    flex: 1;
    height: 4px;
    background: var(--io-surface-sunken);
    border-radius: 2px;
    overflow: hidden;
}

.pf-stack-fill {
    height: 100%;
    width: 0;
    background: var(--io-accent);
    border-radius: 2px;
    transition: width 0.6s cubic-bezier(0.22, 1, 0.36, 1);
}

/* ====================================================================
   INTERESTS
   ==================================================================== */

.pf-interests {
    display: flex;
    flex-wrap: wrap;
    gap: var(--io-space-sm);
}

.pf-interest {
    padding: var(--io-space-xs) var(--io-space-md);
    background: var(--io-surface-sunken);
    border: 1px solid transparent;
    border-radius: var(--io-radius-sm);
    font-family: var(--io-font-mono);
    font-size: var(--io-text-xs);
    color: var(--io-text-secondary);
    transition: var(--io-transition-fast);
    cursor: default;
}

.pf-interest:hover {
    border-color: var(--io-accent);
    color: var(--io-text-primary);
}

.pf-interest i {
    margin-right: 4px;
    color: var(--io-accent);
    font-size: 10px;
}

/* ====================================================================
   PGP KEY
   ==================================================================== */

.pf-pgp {
    font-family: var(--io-font-mono);
    font-size: 10px;
    color: var(--io-text-tertiary);
    background: var(--io-surface-sunken);
    padding: var(--io-space-md);
    padding-top: var(--io-space-lg);
    border: 1px solid transparent;
    border-radius: var(--io-radius-sm);
    word-break: break-all;
    line-height: 1.6;
    cursor: pointer;
    transition: var(--io-transition-fast);
    position: relative;
    margin-top: var(--io-space-lg);
}

.pf-pgp:hover {
    border-color: var(--io-accent);
    color: var(--io-text-secondary);
}

.pf-pgp-label {
    position: absolute;
    top: var(--io-space-xs);
    right: var(--io-space-sm);
    font-size: 9px;
    color: var(--io-accent);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* ====================================================================
   CONTACT FORM
   ==================================================================== */

.pf-contact-form {
    display: flex;
    flex-direction: column;
    gap: var(--io-space-sm);
}

.pf-input {
    padding: var(--io-space-sm) var(--io-space-md);
    background: var(--io-surface-sunken);
    border: 1px solid var(--io-border-subtle);
    border-radius: var(--io-radius-sm);
    color: var(--io-text-primary);
    font-family: var(--io-font-mono);
    font-size: var(--io-text-sm);
    transition: var(--io-transition-base);
    outline: none;
}

.pf-input:focus {
    border-color: var(--io-accent);
    box-shadow: 0 0 0 2px var(--io-accent-subtle);
}

.pf-input::placeholder { color: var(--io-text-tertiary); }

.pf-textarea {
    min-height: 80px;
    resize: vertical;
    line-height: 1.6;
    flex: 1;
}

.pf-contact-actions {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: var(--io-space-md);
}

.pf-contact-hint {
    font-family: var(--io-font-mono);
    font-size: 10px;
    color: var(--io-text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.pf-submit {
    display: flex;
    align-items: center;
    gap: var(--io-space-sm);
    padding: var(--io-space-sm) var(--io-space-xl);
    background: var(--io-accent);
    color: var(--io-on-accent);
    border: none;
    border-radius: var(--io-radius-sm);
    font-family: var(--io-font-mono);
    font-size: var(--io-text-xs);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    cursor: pointer;
    transition: var(--io-transition-base);
}

.pf-submit:hover {
    background: var(--io-accent-bright);
    box-shadow: var(--io-glow-sm);
}

.pf-submit:disabled {
    opacity: var(--io-disabled-opacity);
    cursor: not-allowed;
}

/* ====================================================================
   RESPONSIVE — SINGLE COLUMN (≤ 1200px)
   ==================================================================== */

@media (max-width: 1200px) {
    .pf-bento {
        grid-template-columns: 1fr;
    }

    .pf-card {
        border-right: none;
    }

    .pf-card--metrics {
        order: -1;
    }

    .pf-hero {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--io-space-md);
    }

    .pf-socials {
        grid-template-columns: 1fr 1fr;
    }
}

/* ====================================================================
   RESPONSIVE — MOBILE (≤ 640px)
   ==================================================================== */

@media (max-width: 640px) {
    .pf-hero {
        padding: var(--io-space-lg) var(--io-space-md);
    }

    .pf-hero-left {
        align-self: stretch;
    }

    .pf-avatar {
        width: 52px;
        height: 52px;
        font-size: 1.3rem;
    }

    .pf-name {
        font-size: var(--io-text-lg);
    }

    .pf-card {
        padding: var(--io-space-lg);
    }

    .pf-fact {
        padding: var(--io-space-md) var(--io-space-sm);
    }

    .pf-fact-value {
        font-size: var(--io-text-xl);
    }

    .pf-socials {
        grid-template-columns: 1fr;
    }

    .pf-stack-name {
        width: 100px;
    }

    .pf-contact-hint { display: none; }
}


.pf-bio a {
    color: var(--io-accent-bright);
    text-decoration: none;
    position: relative;
}

.pf-bio a::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -1px;
    width: 100%;
    height: 1px;
    background: var(--io-accent-bright);
    transform: scaleX(0);
    transform-origin: right;
    transition: transform 0.3s ease;
}

.pf-bio a:hover::after {
    transform: scaleX(1);
    transform-origin: left;
}