/* ============================================================================
   OMID/OS — Green Phosphor CRT Terminal
   Subtle scanlines, glow, phosphor bloom, vignette, light noise, flicker.
   Progressive enhancement: JS disabled → static page with the same content.
   ============================================================================ */
:root {
    --bg: #020503;
    --terminal-bg: #030704;
    --phosphor: #80ff44;
    --phosphor-secondary: #55cc34;
    --phosphor-dim: #4da32b;
    --text: #cbd1cc;
    --muted: #798079;
    --border: rgba(118, 255, 78, 0.22);
    --panel-bg: rgba(4, 10, 5, 0.86);
    --glow: rgba(118, 255, 78, 0.17);
    --font-mono: 'JetBrains Mono', 'IBM Plex Mono', 'Fira Code', ui-monospace, monospace;
    --font-pixel: 'VT323', monospace;
    --header-h: 44px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
[hidden] { display: none !important; }

html, body { min-height: 100%; }

body {
    background: var(--bg);
    color: var(--text);
    font-family: var(--font-mono);
    font-size: 15px;
    line-height: 1.55;
    -webkit-font-smoothing: antialiased;
    text-size-adjust: 100%;
    overflow: hidden;
}

::selection { background: var(--phosphor); color: #030704; }

a { color: var(--phosphor); text-decoration: underline; text-underline-offset: 0.16em; }
a:hover { text-shadow: 0 0 8px var(--phosphor); }

:focus-visible { outline: 2px solid var(--phosphor); outline-offset: 2px; }

button { font-family: inherit; }

/* --------------------------------------------------------------------------
   CRT overlay
   -------------------------------------------------------------------------- */
.crt {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 9000;
    background:
        repeating-linear-gradient(
            0deg,
            rgba(0, 0, 0, 0.22) 0,
            rgba(0, 0, 0, 0.22) 1px,
            transparent 1px,
            transparent 3px
        ),
        radial-gradient(140% 120% at 50% 30%, transparent 55%, rgba(0, 0, 0, 0.68) 100%);
    mix-blend-mode: multiply;
    animation: flicker 6s infinite steps(50);
}

.crt::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 50% 50%, var(--glow) 0%, transparent 70%);
    opacity: 0.55;
}

@keyframes flicker {
    0%, 95% { opacity: 1; }
    96% { opacity: 0.94; }
    98% { opacity: 1; }
    99% { opacity: 0.97; }
}

@media (prefers-reduced-motion: reduce) {
    .crt { animation: none; }
    * { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; }
}

/* --------------------------------------------------------------------------
   Terminal layout
   -------------------------------------------------------------------------- */
#app {
    position: fixed;
    inset: 0;
    display: flex;
    flex-direction: column;
    background: var(--bg);
}

#terminal-header {
    height: var(--header-h);
    flex: none;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 0 max(14px, env(safe-area-inset-right)) 0 max(14px, env(safe-area-inset-left));
    border-bottom: 1px solid var(--border);
    background: var(--panel-bg);
    z-index: 20;
}

#terminal-header .brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-pixel);
    font-size: 22px;
    color: var(--phosphor);
    text-shadow: 0 0 10px var(--glow);
    letter-spacing: 0.04em;
}

#terminal-header .brand .ver {
    font-family: var(--font-mono);
    font-size: 10px;
    color: var(--muted);
    border: 1px solid var(--border);
    padding: 1px 5px;
    border-radius: 2px;
}

#terminal-header .controls {
    display: flex;
    align-items: center;
    gap: 8px;
}

.view-toggle {
    display: inline-flex;
    border: 1px solid var(--border);
    border-radius: 3px;
    overflow: hidden;
    font-size: 11px;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.view-toggle button {
    background: transparent;
    color: var(--muted);
    border: none;
    padding: 5px 10px;
    cursor: pointer;
    min-height: 32px;
    transition: background 0.15s, color 0.15s;
}

.view-toggle button.active {
    background: rgba(118, 255, 78, 0.14);
    color: var(--phosphor);
}

.view-toggle button.personalized::after {
    content: ' •';
    color: var(--phosphor);
}

#terminal-container {
    flex: 1 1 auto;
    min-height: 0;
    position: relative;
    overflow: hidden;
    background: var(--terminal-bg);
}

#terminal-container:focus-within { box-shadow: inset 0 0 0 1px var(--phosphor-dim); }

.terminal-error {
    padding: 32px;
    color: var(--phosphor);
}

#terminal-container .xterm {
    padding: 12px 14px;
}

#terminal-container .xterm-viewport {
    scrollbar-width: thin;
    scrollbar-color: var(--phosphor-dim) var(--terminal-bg);
}

#terminal-container .xterm-viewport::-webkit-scrollbar { width: 8px; }
#terminal-container .xterm-viewport::-webkit-scrollbar-track { background: var(--terminal-bg); }
#terminal-container .xterm-viewport::-webkit-scrollbar-thumb { background: var(--phosphor-dim); border-radius: 4px; }

/* --------------------------------------------------------------------------
   Boot overlay
   -------------------------------------------------------------------------- */
#boot {
    position: fixed;
    inset: 0;
    z-index: 100;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: max(24px, env(safe-area-inset-top)) max(8vw, env(safe-area-inset-right)) max(24px, env(safe-area-inset-bottom)) max(8vw, env(safe-area-inset-left));
    overflow-y: auto;
    background: var(--bg);
    color: var(--text);
    transition: opacity 0.35s ease;
}

#boot.gone {
    opacity: 0;
    pointer-events: none;
}

.boot-top {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    margin-bottom: 20px;
    font-family: var(--font-pixel);
}

.boot-title {
    font-size: clamp(40px, 9vw, 96px);
    color: var(--phosphor);
    text-shadow: 0 0 14px var(--glow);
    line-height: 0.9;
}

.boot-ver {
    font-size: 18px;
    color: var(--muted);
}

.boot-name {
    font-size: clamp(18px, 3vw, 26px);
    color: var(--text);
    margin-bottom: 6px;
}

.boot-role {
    font-size: 14px;
    color: var(--muted);
    margin-bottom: 28px;
}

.boot-log {
    font-size: 13.5px;
    color: var(--muted);
    min-height: 180px;
}

.boot-log div { margin-bottom: 4px; white-space: pre-wrap; }
.boot-log .ok { color: var(--phosphor); text-shadow: 0 0 6px var(--glow); }

.boot-tagline {
    margin-top: 18px;
    font-size: 14px;
    color: var(--phosphor);
    text-shadow: 0 0 8px var(--glow);
}

.boot-hint {
    margin-top: 8px;
    font-size: 12px;
    color: var(--muted);
}

.boot-skip {
    margin-top: 20px;
    font-size: 11px;
    color: var(--muted);
    text-transform: uppercase;
    letter-spacing: 0.12em;
}

.boot-bar {
    margin-top: 24px;
    height: 12px;
    max-width: 360px;
    border: 1px solid var(--phosphor-dim);
    padding: 2px;
}

.boot-bar i {
    display: block;
    height: 100%;
    width: 0;
    background: var(--phosphor);
    box-shadow: 0 0 10px var(--glow);
    transition: width 0.2s;
}

/* --------------------------------------------------------------------------
   Static / visual mode fallback
   -------------------------------------------------------------------------- */
#visual-mode {
    position: fixed;
    inset: 0;
    z-index: 5;
    background: var(--bg);
    overflow-y: auto;
    padding: max(80px, calc(env(safe-area-inset-top) + 56px)) max(22px, env(safe-area-inset-right)) max(120px, env(safe-area-inset-bottom)) max(22px, env(safe-area-inset-left));
    display: none;
}

body.visual-mode-on #visual-mode { display: block; }
body.visual-mode-on #terminal-container { display: none; }
body.visual-mode-on #terminal-header .brand .ver { display: none; }

.visual-wrap {
    max-width: 820px;
    margin: 0 auto;
}

.visual-wrap h1 {
    font-family: var(--font-pixel);
    font-size: clamp(40px, 8vw, 72px);
    color: var(--phosphor);
    text-shadow: 0 0 14px var(--glow);
    line-height: 0.9;
    margin-bottom: 12px;
}

.visual-wrap h2 {
    font-family: var(--font-pixel);
    font-size: 28px;
    color: var(--phosphor);
    text-shadow: 0 0 10px var(--glow);
    margin: 34px 0 12px;
}

.visual-wrap h3 {
    font-size: 17px;
    color: var(--text);
    margin: 16px 0 6px;
}

.visual-wrap .roleline {
    font-size: 15px;
    color: var(--muted);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 18px;
}

.visual-wrap .summary {
    color: var(--text);
    margin-bottom: 18px;
}

.visual-wrap .tagline {
    font-size: 13px;
    color: var(--phosphor);
    border: 1px solid var(--border);
    display: inline-block;
    padding: 6px 12px;
    margin-bottom: 22px;
}

.visual-wrap .links { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 22px; }
.visual-wrap .links a {
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border: 1px solid var(--border);
    padding: 7px 13px;
    color: var(--text);
    text-decoration: none;
}
.visual-wrap .links a:hover { border-color: var(--phosphor); color: var(--phosphor); }

.visual-wrap ul { list-style: none; margin-bottom: 12px; }
.visual-wrap ul li {
    position: relative;
    padding-left: 16px;
    margin-bottom: 6px;
    color: var(--text);
    font-size: 14px;
}
.visual-wrap ul li::before {
    content: '>';
    position: absolute;
    left: 0;
    color: var(--phosphor-dim);
}

.visual-wrap .meta {
    font-size: 12px;
    color: var(--muted);
    margin-bottom: 6px;
}

.visual-wrap .chips { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 8px; }
.visual-wrap .chip {
    font-size: 11px;
    color: var(--phosphor-dim);
    border: 1px solid var(--border);
    padding: 3px 8px;
    letter-spacing: 0.02em;
    max-width: 100%;
    overflow-wrap: anywhere;
}

.visual-wrap .card {
    border: 1px solid var(--border);
    background: var(--panel-bg);
    padding: 16px;
    margin-bottom: 14px;
}

.visual-wrap .relevant-card {
    border-color: var(--phosphor-dim);
    box-shadow: inset 3px 0 0 var(--phosphor-dim);
}

.tailored-view {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    margin: 0 0 22px;
    padding: 14px 16px;
    border: 1px solid var(--phosphor-dim);
    background: rgba(118, 255, 78, 0.06);
}

.tailored-view strong,
.tailored-view span { display: block; }
.tailored-view strong { color: var(--phosphor); margin-bottom: 3px; }
.tailored-view span { color: var(--text); font-size: 12px; }
.tailored-view button {
    flex: none;
    border: 1px solid var(--border);
    background: transparent;
    color: var(--text);
    padding: 7px 10px;
    cursor: pointer;
}
.tailored-view button:hover { border-color: var(--phosphor); color: var(--phosphor); }

.skill-group { padding-left: 0; }
.skill-group.relevant-skill {
    padding-left: 12px;
    border-left: 2px solid var(--phosphor-dim);
}

.visual-wrap .tl {
    border-left: 1px solid var(--border);
    margin-left: 6px;
    padding-left: 18px;
}

.visual-wrap .tl .entry {
    position: relative;
    padding-bottom: 18px;
}
.visual-wrap .tl .entry::before {
    content: '';
    position: absolute;
    left: -24px;
    top: 4px;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--phosphor);
    box-shadow: 0 0 8px var(--glow);
}

/* --------------------------------------------------------------------------
   No-JS page fallback
   -------------------------------------------------------------------------- */
body.no-js #app { display: none; }
body.no-js .crt { display: none; }
body.no-js { overflow: auto; }

#no-js {
    display: none;
    max-width: 720px;
    margin: 0 auto;
    padding: 60px 22px;
}
body.no-js #no-js { display: block; }

#no-js h1 {
    font-family: var(--font-pixel);
    font-size: 48px;
    color: var(--phosphor);
    text-shadow: 0 0 14px var(--glow);
    margin-bottom: 12px;
}

/* --------------------------------------------------------------------------
   Accessibility helpers
   -------------------------------------------------------------------------- */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

@media (max-width: 640px) {
    :root { --header-h: 40px; }
    #terminal-header { padding: 0 10px; }
    #terminal-header .brand { font-size: 18px; }
    #terminal-container .xterm { padding: 8px 10px; }
    .view-toggle button { padding: 4px 7px; font-size: 10px; }
    .visual-wrap { padding-top: 20px; }
    .tailored-view { align-items: flex-start; flex-direction: column; }
}

@media (max-height: 560px) {
    #boot { justify-content: flex-start; }
    .boot-log { min-height: 0; }
    .boot-role { margin-bottom: 14px; }
    .boot-top { margin-bottom: 12px; }
}

@media (prefers-contrast: more), (forced-colors: active) {
    .crt { display: none; }
    .visual-wrap .card, .view-toggle, .visual-wrap .links a { border-width: 2px; }
}