@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Mono:ital,wght@0,400;0,500;0,600;1,400&display=swap');

/* ============================================================
   DESIGN TOKENS
   ============================================================ */
:root {
    --bg: #070707;
    --fg: #d4d0c6;
    --dim: #555852;
    --accent: #b9b29f;
    --warn: #a71d25;
    --err: #d1343d;
    --blue: #8a9290;
    --sel-bg: #d4d0c6;
    --sel-fg: #070707;
    --bar-bg: #111112;
    --bar-fg: #d4d0c6;
    --bar-active-bg: #1a1a1b;
    --bar-active-fg: #f0eadb;
    --blood-dim: #5e1015;
    --stone: #18191a;
}

/* ============================================================
   RESET & BASE
   ============================================================ */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html,
body {
    height: 100%;
    overflow: hidden;
    /* full-screen terminal feel */
}

body {
    background:
        radial-gradient(circle at 15% 0%, rgba(167, 29, 37, 0.16), transparent 28rem),
        linear-gradient(180deg, #090909 0%, var(--bg) 45%, #030303 100%);
    color: var(--fg);
    font-family: 'IBM Plex Mono', 'Cascadia Code', 'Fira Code', monospace;
    font-size: clamp(11px, 1.8vw, 14px);
    /* fluid font size */
    line-height: 1.6;
    display: flex;
    flex-direction: column;
}

body.malevolent-domain {
    --bg: #030203;
    --fg: #ddd4c7;
    --dim: #6f6562;
    --accent: #cbbda9;
    --warn: #c62632;
    --err: #f0474f;
    --blue: #68a8b0;
    --sel-bg: #b6212c;
    --sel-fg: #f6eee2;
    --bar-bg: #0b0708;
    --bar-fg: #d7cec2;
    --bar-active-bg: #18090c;
    --bar-active-fg: #fff5e6;
    --blood-dim: #681019;
    --stone: #140c0e;
    background:
        radial-gradient(circle at 50% 12%, rgba(151, 14, 27, 0.2), transparent 34rem),
        linear-gradient(180deg, #080405 0%, #020203 70%, #050203 100%);
}

body::before {
    content: "";
    position: fixed;
    inset: 0;
    pointer-events: none;
    background:
        linear-gradient(90deg, transparent 0 49.9%, rgba(212, 208, 198, 0.035) 50%, transparent 50.1%),
        repeating-linear-gradient(0deg, rgba(255, 255, 255, 0.025) 0 1px, transparent 1px 4px);
    opacity: 0.45;
}

/* Text selection = inverse video */
::selection {
    background: var(--sel-bg);
    color: var(--sel-fg);
}

/* Thin scrollbar */
::-webkit-scrollbar {
    width: 6px;
}

::-webkit-scrollbar-track {
    background: var(--bg);
}

::-webkit-scrollbar-thumb {
    background: var(--dim);
    border-radius: 0;
}

/* ============================================================
   TMUX STATUS BAR (top)
   ============================================================ */
#tmux-bar {
    background: linear-gradient(180deg, #171718, var(--bar-bg));
    color: var(--bar-fg);
    display: flex;
    justify-content: space-between;
    align-items: stretch;
    flex-shrink: 0;
    border-bottom: 1px solid var(--blood-dim);
    user-select: none;
    overflow-x: auto;
    overflow-y: hidden;
    white-space: nowrap;
}

.tmux-left,
.tmux-right {
    display: flex;
    align-items: stretch;
    gap: 0;
}

.tmux-session {
    padding: 4px 12px;
    background: var(--blood-dim);
    color: var(--bar-active-fg);
    font-weight: 600;
    font-size: 0.85em;
    display: flex;
    align-items: center;
    flex-shrink: 0;
}

.tmux-tab {
    background: var(--bar-bg);
    color: var(--dim);
    border: none;
    border-right: 1px solid var(--dim);
    padding: 4px 14px;
    font-family: inherit;
    font-size: 0.85em;
    cursor: pointer;
    transition: background 0.1s, color 0.1s, text-shadow 0.1s;
    white-space: nowrap;
}

.tmux-tab:hover {
    background: #222224;
    color: var(--fg);
    text-shadow: 0 0 8px rgba(209, 52, 61, 0.3);
}

.tmux-tab.active {
    background: var(--bg);
    color: var(--bar-active-fg);
    border-bottom: 1px solid var(--bg);
    /* "lifted" tab effect */
    font-weight: 600;
}

.tmux-right {
    gap: 16px;
    padding: 4px 12px;
    font-size: 0.8em;
    color: var(--dim);
    align-items: center;
}

#tmux-clock {
    color: var(--accent);
    font-weight: 500;
}

/* Hide host label on small screens */
@media (max-width: 480px) {
    .tmux-host {
        display: none;
    }

    .tmux-session {
        font-size: 0.75em;
        padding: 4px 8px;
    }

    .tmux-tab {
        padding: 4px 10px;
    }
}

/* ============================================================
   MAIN PANE
   ============================================================ */
#terminal-pane {
    flex: 1 1 0;
    overflow-y: auto;
    padding: clamp(10px, 3vw, 24px);
    position: relative;
    isolation: isolate;
}

body.malevolent-domain #terminal-pane::before {
    content: "";
    position: fixed;
    inset: 28px 0 24px;
    z-index: 0;
    pointer-events: none;
    background:
        linear-gradient(90deg,
            rgba(2, 2, 3, 0.72) 0%,
            rgba(2, 2, 3, 0.38) 30%,
            rgba(2, 2, 3, 0.18) 50%,
            rgba(2, 2, 3, 0.42) 72%,
            rgba(2, 2, 3, 0.76) 100%),
        linear-gradient(180deg, rgba(2, 2, 3, 0.04), rgba(2, 2, 3, 0.58)),
        url('../assets/sukuna-malevolent-domain.webp') center 44% / cover no-repeat;
    opacity: 0.68;
    filter: saturate(0.88) contrast(1.08);
    transform: scale(1.015);
}

#terminal-pane::after {
    content: "";
    position: fixed;
    inset: 28px 0 24px;
    pointer-events: none;
    border-top: 1px solid rgba(167, 29, 37, 0.18);
    border-bottom: 1px solid rgba(167, 29, 37, 0.14);
    opacity: 0.7;
    z-index: 2;
}

/* ============================================================
   SECTIONS
   ============================================================ */
.section {
    display: none;
    position: relative;
    z-index: 1;
}

.section.active {
    display: block;
    animation: section-enter 260ms cubic-bezier(0.2, 0.7, 0.2, 1) both;
}

/* ============================================================
   PROMPT LINE
   ============================================================ */
.prompt-line {
    margin-bottom: 8px;
    white-space: pre-wrap;
    word-break: break-all;
}

.ps1-user {
    color: var(--fg);
    font-weight: 600;
}

.ps1-at {
    color: var(--dim);
}

.ps1-host {
    color: var(--warn);
    font-weight: 600;
}

.ps1-sep {
    color: var(--dim);
}

.ps1-path {
    color: var(--blue);
}

.ps1-dollar {
    color: var(--fg);
}

.cmd-text {
    color: var(--accent);
    font-style: italic;
}

.cmd-text.nowrap {
    white-space: nowrap;
    font-style: italic;
}

.cmd-output-header {
    color: var(--dim);
    font-size: 0.9em;
    margin-bottom: 4px;
}

/* ============================================================
   ABOUT SECTION
   ============================================================ */

/* Two-column layout: left = cat output, right = neofetch */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: clamp(20px, 4vw, 60px);
    align-items: start;
}

@media (max-width: 800px) {
    .about-grid {
        grid-template-columns: 1fr;
    }

    body.malevolent-domain #terminal-pane::before {
        background:
            linear-gradient(180deg, rgba(2, 2, 3, 0.5), rgba(2, 2, 3, 0.84)),
            url('../assets/sukuna-malevolent-domain.webp') center 32% / auto 100% no-repeat;
        opacity: 0.5;
    }
}

.about-text {
    white-space: pre-wrap;
    word-break: break-word;
    font-size: 0.92em;
    line-height: 1.7;
    text-shadow: 0 0 12px rgba(212, 208, 198, 0.04);
}

body.malevolent-domain .about-text,
body.malevolent-domain .prompt-line,
body.malevolent-domain .file-list {
    text-shadow:
        0 1px 2px rgba(0, 0, 0, 0.95),
        0 0 14px rgba(0, 0, 0, 0.92);
}

body.malevolent-domain #tmux-bar,
body.malevolent-domain #status-bar,
body.malevolent-domain .vim-topbar,
body.malevolent-domain .vim-statusbar {
    box-shadow: 0 0 24px rgba(137, 13, 24, 0.2);
}

body.malevolent-domain .tmux-session,
body.malevolent-domain #status-mode {
    background: linear-gradient(180deg, #811522, #4a0a11);
}

body.malevolent-domain .vim-modal {
    background:
        radial-gradient(circle at 50% 0%, rgba(160, 17, 31, 0.16), transparent 34rem),
        linear-gradient(180deg, #080405, var(--bg) 42%);
}

@keyframes section-enter {
    from {
        opacity: 0;
        transform: translateY(8px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* NEOFETCH PANEL */
.neofetch {
    margin-top: 8px;
    font-size: 0.92em;
    line-height: 1.8;
}

.nf-title {
    font-size: 1.1em;
    font-weight: 600;
    margin-bottom: 2px;
}

.nf-sep {
    color: var(--dim);
}

.nf-divider {
    color: var(--dim);
    margin-bottom: 4px;
}

.nf-row {
    display: grid;
    grid-template-columns: 8ch 1fr;
    gap: 4px;
}

.nf-key {
    color: var(--accent);
    font-weight: 600;
}

.nf-val {
    color: var(--fg);
}

/* Terminal color swatches */
.nf-colors {
    display: flex;
    gap: 4px;
    margin-top: 8px;
}

.nfc {
    display: inline-block;
    width: 22px;
    height: 14px;
    border: 1px solid var(--dim);
}

.skill-java {
    color: var(--accent);
}

.skill-c {
    color: var(--blue);
}

.skill-rust {
    color: var(--err);
}

.skill-py {
    color: var(--warn);
}

.skill-asm {
    color: var(--err);
}

.skill-re {
    color: var(--fg);
}

.skill-nw {
    color: var(--blue);
}

.term-link {
    color: var(--accent);
    text-decoration: none;
    font-weight: 600;
}

.term-link:hover {
    background: var(--blood-dim);
    color: var(--fg);
}

.term-link-static {
    color: var(--accent);
    font-weight: 600;
}

/* ============================================================
   FILE LIST (ls -la style)
   ============================================================ */
.file-list {
    list-style: none;
    margin-top: 4px;
}

.file-row {
    display: grid;
    grid-template-columns: 10ch 9ch 7ch 1fr;
    /* perms | user | size | name */
    gap: 0 clamp(8px, 2vw, 20px);
    padding: 1px 4px;
    cursor: pointer;
    border-left: 2px solid transparent;
    transition: background 0.08s, color 0.08s, border-color 0.08s;
    white-space: nowrap;
    overflow: hidden;
}

/* On narrow screens: switch to a 2-column compact grid */
@media (max-width: 600px) {
    .file-row {
        grid-template-columns: 9ch 1fr;
        grid-template-rows: auto auto;
    }

    .file-user {
        display: none;
    }

    .file-size {
        display: none;
    }

    .file-perms {
        grid-row: 1;
        grid-column: 1;
        font-size: 0.8em;
    }

    .file-name {
        grid-row: 1;
        grid-column: 2;
    }

    .file-desc {
        grid-row: 2;
        grid-column: 1 / -1;
        padding-left: 0;
    }
}

.file-row:hover,
.file-row:focus {
    background: rgba(167, 29, 37, 0.22);
    color: var(--fg);
    border-left-color: var(--err);
    outline: none;
}

.file-row:hover .file-perms,
.file-row:hover .file-user,
.file-row:hover .file-name,
.file-row:hover .file-size,
.file-row:focus .file-perms,
.file-row:focus .file-user,
.file-row:focus .file-name,
.file-row:focus .file-size {
    color: var(--fg);
}

.loading-row {
    cursor: default;
}

.loading-row:hover {
    background: transparent;
    border-left-color: transparent;
}

.file-perms {
    color: var(--dim);
    font-size: 0.9em;
}

.file-user {
    color: var(--accent);
}

.file-size {
    color: var(--warn);
    text-align: right;
}

.file-name {
    font-weight: 500;
    overflow: hidden;
    text-overflow: ellipsis;
}

.file-name.dir {
    color: var(--blue);
}

.file-name.exe {
    color: var(--fg);
}

.file-name.dim {
    color: var(--dim);
    font-style: italic;
}

/* Expandable repo detail row */
.file-detail {
    grid-column: 1 / -1;
    display: none;
    padding: 6px 0 6px 12px;
    border-left: 2px solid var(--blood-dim);
    margin: 2px 0 4px 4px;
    color: var(--fg);
    font-size: 0.88em;
    white-space: pre-wrap;
    word-break: break-word;
}

.file-detail.open {
    display: block;
}

.file-detail a {
    color: var(--accent);
    text-decoration: none;
    font-weight: 600;
}

.file-detail a:hover {
    background: var(--blood-dim);
    color: var(--fg);
}

/* Blog tag badge */
.tag-badge {
    display: inline-block;
    background: var(--blood-dim);
    color: var(--fg);
    font-size: 0.75em;
    padding: 0 5px;
    margin-right: 6px;
    font-weight: 600;
    vertical-align: middle;
}

/* ============================================================
   BOTTOM STATUS BAR (vim-style)
   ============================================================ */
#status-bar {
    background: var(--bar-bg);
    color: var(--dim);
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 2px 10px;
    font-size: 0.8em;
    border-top: 1px solid var(--blood-dim);
    flex-shrink: 0;
    user-select: none;
}

#status-mode {
    background: var(--blood-dim);
    color: var(--fg);
    font-weight: 700;
    padding: 0 8px;
    margin-right: 8px;
}

/* ============================================================
   VIM-STYLE MODAL (full-screen article reader)
   ============================================================ */
.vim-modal {
    position: fixed;
    inset: 0;
    background:
        radial-gradient(circle at 50% 0%, rgba(167, 29, 37, 0.12), transparent 30rem),
        var(--bg);
    z-index: 500;
    display: none;
    flex-direction: column;
}

.vim-modal.active {
    display: flex;
}

.vim-topbar {
    background: var(--bar-bg);
    color: var(--accent);
    padding: 3px 12px;
    font-size: 0.85em;
    display: flex;
    justify-content: space-between;
    border-bottom: 1px solid var(--dim);
    flex-shrink: 0;
    user-select: none;
}

.vim-topbar-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

#vim-copy-link {
    background: none;
    border: none;
    color: var(--dim);
    font-family: inherit;
    font-size: inherit;
    cursor: pointer;
    padding: 0;
}

#vim-copy-link:hover,
#vim-copy-link:focus-visible {
    color: var(--fg);
    outline: none;
}

.post-link {
    color: inherit;
    text-decoration: none;
}

.vim-content {
    flex: 1 1 0;
    overflow-y: auto;
    padding: clamp(12px, 4vw, 32px) clamp(16px, 6vw, 60px);
    max-width: 90ch;
    width: 100%;
    margin: 0 auto;
    /* centrato nel modal */
    border-left: 1px solid var(--dim);
    /* gutter in stile editor */
}

/* Markdown styles inside vim content */
.vim-content h1 {
    color: var(--fg);
    margin-bottom: 16px;
    border-bottom: 1px solid var(--dim);
    padding-bottom: 6px;
}

.vim-content h2 {
    color: var(--warn);
    margin: 20px 0 8px;
}

.vim-content h3 {
    color: var(--fg);
    margin: 16px 0 6px;
}

.vim-content p {
    margin-bottom: 12px;
    color: var(--fg);
}

.vim-content ul,
.vim-content ol {
    margin: 8px 0 12px 20px;
}

.vim-content li {
    margin-bottom: 4px;
}

.vim-content code {
    background: #1a1a1a;
    border: 1px solid var(--dim);
    padding: 1px 5px;
    font-family: inherit;
    font-size: 0.9em;
    color: var(--warn);
}

.vim-content pre {
    background: #111;
    border: 1px solid var(--dim);
    border-left: 3px solid var(--blood-dim);
    padding: 12px;
    overflow-x: auto;
    margin-bottom: 14px;
}

.vim-content pre code {
    background: transparent;
    border: none;
    color: var(--fg);
    padding: 0;
}

.vim-content blockquote {
    border-left: 3px solid var(--err);
    padding-left: 12px;
    color: var(--dim);
    margin: 12px 0;
}

.vim-content a {
    color: var(--blue);
    text-decoration: underline;
}

.vim-statusbar {
    background: var(--bar-bg);
    color: var(--bar-fg);
    padding: 3px 12px;
    font-size: 0.82em;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-top: 1px solid var(--dim);
    flex-shrink: 0;
}

#vim-close {
    background: none;
    border: 1px solid var(--err);
    color: var(--err);
    font-family: inherit;
    font-size: 0.85em;
    padding: 1px 8px;
    cursor: pointer;
    transition: background 0.1s;
}

#vim-close:hover {
    background: var(--err);
    color: var(--bg);
}

/* ============================================================
   BLINKING CURSOR UTILITY
   ============================================================ */
.blink {
    display: inline-block;
    width: 8px;
    height: 1.1em;
    background: var(--fg);
    vertical-align: text-bottom;
    animation: blink 1s step-end infinite;
}

.output-cursor {
    display: inline-block;
    width: 8px;
    height: 1.15em;
    margin-left: 1px;
    background: var(--fg);
    vertical-align: -0.16em;
    animation: terminal-caret 1s steps(2, end) infinite;
}

@keyframes terminal-caret {

    0%,
    45% {
        opacity: 1;
    }

    46%,
    100% {
        opacity: 0;
    }
}

@keyframes blink {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0;
    }
}

/* ============================================================
   RESPONSIVE – TABLET/MOBILE tweaks
   ============================================================ */

/* Tablet (481px – 900px): slightly larger tap targets */
@media (max-width: 900px) {
    .file-row {
        gap: 0 12px;
        padding: 3px 4px;
    }

    .vim-content {
        max-width: 100%;
    }
}

/* Mobile (≤ 480px): switch font size, hide some columns */
@media (max-width: 480px) {
    #terminal-pane {
        padding: 10px 8px;
    }

    /* On mobile, shrink the about pre to not overflow */
    .about-text {
        font-size: 0.78em;
    }

    /* Make file rows tappable */
    .file-row {
        padding: 6px 4px;
    }

    #status-bar {
        font-size: 0.72em;
    }
}

/* Touch devices: make tabs easier to tap */
@media (pointer: coarse) {
    .tmux-tab {
        padding: 8px 14px;
    }

    .file-row {
        padding: 8px 4px;
    }

    #vim-close {
        padding: 6px 14px;
    }
}