/* ============================================================
   Sarfaraz.sh — matrix/hacker terminal portfolio
   Phosphor green on black, CRT scanlines, matrix rain
   ============================================================ */

:root {
  --bg: #000000;
  --bg-term: rgba(0, 10, 0, 0.78);
  --bg-term-solid: #020a02;
  --border: #0f3f0f;
  --border-bright: #1aff1a;

  --green: #00ff41;          /* matrix phosphor */
  --green-dim: #00a82a;
  --green-dark: #006b1a;
  --green-pale: #b8ffc8;

  --amber: #ffb000;          /* alt phosphor */
  --red: #ff003c;
  --cyan: #00ffe1;
  --muted: #4a7a4a;

  --glow: 0 0 4px rgba(0, 255, 65, 0.6);
  --glow-strong: 0 0 8px rgba(0, 255, 65, 0.9), 0 0 16px rgba(0, 255, 65, 0.4);

  --font-mono: 'VT323', 'Share Tech Mono', 'JetBrains Mono', 'Courier New', monospace;
  --font-body: 'Share Tech Mono', 'JetBrains Mono', 'Courier New', monospace;

  --radius: 2px;
}

[data-theme="amber"] {
  --green: #ffb000;
  --green-dim: #b87a00;
  --green-dark: #663d00;
  --green-pale: #ffe0a0;
  --border: #3f2f0f;
  --border-bright: #ffb000;
  --glow: 0 0 4px rgba(255, 176, 0, 0.6);
  --glow-strong: 0 0 8px rgba(255, 176, 0, 0.9), 0 0 16px rgba(255, 176, 0, 0.4);
  --muted: #7a6a4a;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--green);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.5;
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  text-shadow: var(--glow);
}

::selection { background: var(--green); color: #000; text-shadow: none; }

a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px dashed var(--cyan);
  text-shadow: 0 0 4px rgba(0, 255, 225, 0.6);
  transition: all .15s ease;
}
a:hover {
  color: #fff;
  border-bottom-color: #fff;
  text-shadow: 0 0 8px #fff, 0 0 16px var(--cyan);
}

/* ============================================================
   Matrix rain canvas
   ============================================================ */
#matrix-rain {
  position: fixed;
  inset: 0;
  z-index: 0;
  opacity: 0.35;
  pointer-events: none;
}

/* ============================================================
   CRT scanlines + flicker overlay
   ============================================================ */
.crt-overlay {
  position: fixed;
  inset: 0;
  z-index: 9999;
  pointer-events: none;
  background:
    repeating-linear-gradient(
      0deg,
      rgba(0, 0, 0, 0.15) 0px,
      rgba(0, 0, 0, 0.15) 1px,
      transparent 1px,
      transparent 3px
    );
  mix-blend-mode: multiply;
}
.crt-overlay::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at center, transparent 50%, rgba(0, 0, 0, 0.5) 100%);
}

body.no-effects #matrix-rain,
body.no-effects .crt-overlay,
body.no-effects #glitch-bar,
body.no-effects #click-ripples,
body.no-effects #cursor-trail { display: none; }

@keyframes flicker {
  0%, 100% { opacity: 1; }
  50%      { opacity: 0.97; }
}
.terminal { animation: flicker 0.15s infinite; }

/* ============================================================
   Terminal window
   ============================================================ */
.terminal {
  position: relative;
  z-index: 1;
  max-width: 1100px;
  margin: 24px auto;
  background: var(--bg-term);
  border: 1px solid var(--border-bright);
  border-radius: var(--radius);
  box-shadow:
    0 0 12px rgba(0, 255, 65, 0.4),
    0 0 32px rgba(0, 255, 65, 0.15),
    inset 0 0 60px rgba(0, 50, 0, 0.4);
  backdrop-filter: blur(2px);
}

.term-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 6px 12px;
  border-bottom: 1px solid var(--border);
  background: rgba(0, 30, 0, 0.5);
  font-size: 13px;
  user-select: none;
  flex-wrap: nowrap;
}
.term-title {
  color: var(--green-pale);
  letter-spacing: 1px;
  min-width: 0;
  flex: 1 1 auto;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.term-title::before {
  content: '◉ ';
  color: var(--red);
  margin-right: 4px;
}
.term-controls {
  display: flex;
  gap: 8px;
  font-size: 12px;
}
.term-controls button {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--green);
  padding: 2px 8px;
  font-family: inherit;
  font-size: 12px;
  cursor: pointer;
  text-shadow: var(--glow);
  transition: all .15s ease;
}
.term-controls button:hover {
  background: var(--green);
  color: #000;
  text-shadow: none;
  box-shadow: var(--glow);
}

.term-body {
  padding: 20px 28px 32px;
  font-size: 15px;
  min-height: calc(100vh - 100px);
}

/* ============================================================
   Boot sequence
   ============================================================ */
.boot {
  margin-bottom: 24px;
  color: var(--green-dim);
  font-size: 14px;
}
.boot .ok { color: var(--green); }
.boot .warn { color: var(--amber); }
.boot .fail { color: var(--red); }
.boot-line { white-space: pre-wrap; }

/* ============================================================
   ASCII banner
   ============================================================ */
.ascii-banner {
  margin: 16px 0 24px;
  font-size: 12px;
  line-height: 1.1;
  color: var(--green);
  white-space: pre;
  overflow-x: auto;
  text-shadow: var(--glow-strong);
}

/* ============================================================
   Prompt + command output
   ============================================================ */
.prompt-line {
  margin-top: 28px;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px;
  color: var(--green);
  font-size: 15px;
}
.prompt-user  { color: var(--green); }
.prompt-at    { color: var(--green-dim); }
.prompt-host  { color: var(--cyan); }
.prompt-colon { color: var(--green-dim); }
.prompt-path  { color: var(--amber); }
.prompt-sep   { color: var(--green); }
.prompt-cmd   { color: var(--green-pale); font-weight: bold; }

.output {
  margin: 10px 0 0 0;
  padding: 6px 0 6px 14px;
  border-left: 2px solid var(--green-dark);
  color: var(--green-pale);
}

/* key/value grid (whoami, education) */
.kv-grid {
  display: grid;
  grid-template-columns: max-content 1fr;
  column-gap: 14px;
  row-gap: 4px;
  margin-top: 4px;
  align-items: baseline;
}
.kv-grid .k {
  color: var(--cyan);
}
.kv-grid .k::after {
  content: ' :';
  color: var(--green-dim);
}
.kv-grid .v {
  color: var(--green-pale);
  min-width: 0;
  word-break: break-word;
}

/* summary text */
.summary-text .com { display: block; margin-bottom: 6px; }
.summary-text p { margin: 0 0 8px; }
.summary-text p:last-child { margin-bottom: 0; }
.output .label { color: var(--cyan); }
.output .val   { color: var(--green-pale); }
.output .com   { color: var(--muted); font-style: italic; }
.output .key   { color: var(--amber); }
.output .str   { color: var(--green); }
.output .num   { color: var(--cyan); }
.output .ok    { color: var(--green); }
.output .err   { color: var(--red); }

/* Skill matrix grid */
.skill-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 10px 18px;
  margin-top: 8px;
  align-items: start;
}
.skill-group {
  border: 1px solid var(--border);
  padding: 8px 10px;
  background: rgba(0, 30, 0, 0.3);
}
.skill-group-title {
  color: var(--amber);
  font-size: 13px;
  margin-bottom: 4px;
  text-transform: uppercase;
  letter-spacing: 1px;
}
.skill-group ul {
  list-style: none;
  margin: 0;
  padding: 0;
  font-size: 14px;
}
.skill-group li::before {
  content: '▸ ';
  color: var(--green-dim);
}

/* Experience / project entries */
.entry {
  position: relative;
  overflow: hidden;
  margin: 10px 0;
  padding: 8px 12px;
  border: 1px solid var(--border);
  background: rgba(0, 30, 0, 0.25);
  transition: border-color .2s ease, box-shadow .2s ease;
}
.entry::before {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  top: -20%;
  height: 24px;
  background: linear-gradient(180deg, transparent, rgba(0,255,65,0.5), transparent);
  mix-blend-mode: screen;
  opacity: 0;
  pointer-events: none;
}
.entry:hover {
  border-color: var(--border-bright);
  box-shadow: 0 0 12px rgba(0, 255, 65, 0.4);
}
.entry:hover::before {
  animation: entry-sweep 600ms ease-out;
}
@keyframes entry-sweep {
  0%   { top: -20%; opacity: 0; }
  20%  { opacity: 0.8; }
  100% { top: 110%; opacity: 0; }
}
.entry-head {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 8px;
  font-size: 14px;
  margin-bottom: 4px;
}
.entry-title {
  color: var(--amber);
  font-weight: bold;
  letter-spacing: 0.5px;
}
.entry-meta {
  color: var(--green-dim);
  font-size: 13px;
}
.entry-body {
  color: var(--green-pale);
  font-size: 14px;
  line-height: 1.55;
}
.entry-list {
  margin: 4px 0 0;
  padding: 0 0 0 4px;
  list-style: none;
}
.entry-list li {
  position: relative;
  padding-left: 14px;
  margin: 4px 0;
}
.entry-list li::before {
  content: '▸';
  position: absolute;
  left: 0;
  color: var(--green-dim);
}
.entry-list b {
  color: var(--cyan);
  font-weight: normal;
}
.entry-stack {
  margin-top: 6px;
  font-size: 12px;
  color: var(--cyan);
}
.entry-stack span {
  display: inline-block;
  padding: 1px 6px;
  margin: 2px 4px 2px 0;
  border: 1px solid var(--green-dark);
  background: rgba(0, 50, 0, 0.4);
  color: var(--green-pale);
}

/* Avatar image */
.avatar-img {
  display: block;
  width: 200px;
  height: auto;
  border: 1px solid var(--border-bright);
  padding: 4px;
  background: rgba(0, 30, 0, 0.4);
  box-shadow: var(--glow), inset 0 0 12px rgba(0, 255, 65, 0.15);
  filter: grayscale(0.3) contrast(1.05);
  image-rendering: pixelated;
}

.whoami-row {
  display: flex;
  gap: 20px;
  align-items: flex-start;
  flex-wrap: wrap;
}
.whoami-row .avatar-img { flex: 0 0 auto; }
.whoami-row .kv-grid    { flex: 1 1 280px; min-width: 0; }

@media (max-width: 720px) {
  .whoami-row { flex-direction: column; }
  .whoami-row .avatar-img { width: 140px; }
}

/* Live cursor */
.cursor {
  display: inline-block;
  width: 9px;
  height: 1em;
  background: var(--green);
  vertical-align: text-bottom;
  margin-left: 2px;
  animation: blink 1s steps(2) infinite;
  box-shadow: var(--glow);
}
@keyframes blink {
  50% { opacity: 0; }
}

/* Interactive input prompt */
.input-prompt {
  margin-top: 32px;
  display: flex;
  align-items: center;
  gap: 6px;
  border-top: 1px dashed var(--green-dark);
  padding-top: 16px;
}
.input-prompt input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  color: var(--green-pale);
  font-family: inherit;
  font-size: 15px;
  text-shadow: var(--glow);
  caret-color: var(--green);
}
.input-hint {
  margin-top: 6px;
  font-size: 12px;
  color: var(--muted);
}

/* Status bar */
.statusbar {
  position: sticky;
  bottom: 0;
  z-index: 5;
  background: rgba(0, 20, 0, 0.85);
  border-top: 1px solid var(--green-dark);
  padding: 4px 12px;
  font-size: 12px;
  color: var(--green-dim);
  display: flex;
  justify-content: space-between;
  user-select: none;
}
.statusbar .status-right { display: flex; gap: 14px; }
#copy-toast {
  color: var(--amber);
  opacity: 0;
  transition: opacity .2s ease;
}
#copy-toast.visible { opacity: 1; }

/* Hidden util */
.hidden { display: none !important; }

/* Screen-reader / crawler-only content (kept off-screen, still in DOM) */
.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;
}

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 880px) {
  .term-body { padding: 16px 16px 24px; font-size: 14px; }
  .ascii-banner { font-size: 9px; }
  .skill-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 560px) {
  html, body { font-size: 14px; }
  .terminal { margin: 8px; border-radius: 0; }
  .term-header { padding: 6px 8px; gap: 6px; font-size: 11px; }
  .term-title { font-size: 11px; letter-spacing: 0.5px; }
  .term-controls { gap: 4px; }
  .term-controls button { padding: 2px 5px; font-size: 10px; }
  .term-body { padding: 12px 12px 20px; font-size: 13px; }
  .ascii-banner { font-size: 7px; line-height: 1; }
  .skill-grid { grid-template-columns: 1fr; }
  .entry-head { font-size: 13px; }
  .prompt-line { font-size: 13px; }
  .input-prompt input { font-size: 14px; }
}

@media (max-width: 380px) {
  .ascii-banner { font-size: 6px; }
  .term-title { font-size: 10px; }
  .term-controls button { padding: 2px 4px; font-size: 9px; }
  #resume-btn .label-text::before {
    content: 'cv';
  }
  #resume-btn .label-text { font-size: 0; }
  #resume-btn .label-text::before { font-size: 9px; }
  #theme-toggle .label-text::before { content: 'color'; }
  #theme-toggle .label-text { font-size: 0; }
  #theme-toggle .label-text::before { font-size: 9px; }
  #effects-toggle .label-text::before { content: 'fx'; }
  #effects-toggle .label-text { font-size: 0; }
  #effects-toggle .label-text::before { font-size: 9px; }
}

/* ============================================================
   PHASE 1 — Auth gate
   ============================================================ */
.term-content {
  transition: opacity .55s ease, filter .55s ease;
}
.term-content.gate-hidden {
  opacity: 0;
  filter: blur(8px);
  pointer-events: none;
}
.term-content.gate-revealed {
  opacity: 1;
  filter: none;
}

.auth-gate {
  margin: 24px 0;
  padding: 18px 20px;
  border: 1px solid var(--amber);
  background: rgba(40, 24, 0, 0.35);
  box-shadow:
    0 0 8px rgba(255, 176, 0, 0.35),
    inset 0 0 24px rgba(255, 176, 0, 0.08);
  color: var(--green-pale);
  font-size: 14px;
  transition: opacity .35s ease, transform .35s ease;
}
.auth-gate.auth-gate-out {
  opacity: 0;
  transform: translateY(-6px);
}
.auth-warn {
  display: block;
  color: var(--amber);
  font-weight: bold;
  letter-spacing: 1px;
  font-size: 16px;
  text-shadow: 0 0 6px rgba(255, 176, 0, 0.7);
  margin-bottom: 10px;
}
.auth-hint {
  margin-top: 8px;
  color: var(--green-dim);
  font-size: 13px;
}
.cursor-auth {
  width: 7px;
  height: 0.9em;
  background: var(--amber);
  box-shadow: 0 0 6px rgba(255, 176, 0, 0.8);
  margin-left: 2px;
}
.auth-skip {
  margin-left: 10px;
  color: var(--muted);
  font-size: 12px;
}
@keyframes auth-blink {
  0%, 100% { opacity: 1; }
  50%      { opacity: 0.55; }
}

.auth-conn-log {
  font-size: 13px;
  color: var(--green-dim);
}
.auth-conn-log .auth-line {
  margin-top: 2px;
  opacity: 0;
  animation: auth-fade-in 240ms ease-out forwards;
}
.auth-line.auth-loading {
  color: var(--cyan);
}
.auth-line.auth-loading::after {
  content: '';
  display: inline-block;
  animation: dot-cycle 1.1s steps(4, end) infinite;
}
@keyframes dot-cycle {
  0%   { content: ''; }
  25%  { content: ' .'; }
  50%  { content: ' . .'; }
  75%  { content: ' . . .'; }
}
@keyframes auth-fade-in {
  from { opacity: 0; transform: translateX(-4px); }
  to   { opacity: 1; transform: translateX(0); }
}

.auth-skip-hint {
  margin-top: 10px;
  text-align: right;
  font-size: 11px;
  opacity: 0.55;
}

.auth-progress-label {
  color: var(--cyan);
  font-size: 13px;
  margin-bottom: 6px;
  letter-spacing: 1px;
}
.auth-pct {
  color: var(--green-pale);
  margin-left: 6px;
}
.auth-bar {
  width: min(420px, 80vw);
  height: 12px;
  border: 1px solid var(--green-dark);
  background: rgba(0, 30, 0, 0.45);
  box-shadow: inset 0 0 6px rgba(0, 0, 0, 0.6);
  overflow: hidden;
}
.auth-bar-fill {
  width: 0%;
  height: 100%;
  background:
    repeating-linear-gradient(
      90deg,
      var(--green) 0 6px,
      var(--green-dim) 6px 10px
    );
  box-shadow: 0 0 8px rgba(0, 255, 65, 0.6);
}
.auth-status {
  margin-top: 10px;
  font-size: 13px;
  color: var(--green-dim);
}
.auth-line {
  margin-top: 2px;
}
.auth-line.ok { color: var(--green); }

/* ============================================================
   PHASE 2 — Scramble reveals
   ============================================================ */
.scramble-pending {
  color: transparent !important;
  text-shadow: none !important;
}
.scrambling {
  color: var(--cyan) !important;
  text-shadow: 0 0 6px rgba(0, 255, 225, 0.6);
}

/* ============================================================
   PHASE 3 — Heading glitch
   ============================================================ */
@keyframes glitch-shift {
  0%, 100% { text-shadow: var(--glow); transform: translate(0); clip-path: none; }
  20% { text-shadow: -2px 0 var(--red), 2px 0 var(--cyan); transform: translate(1px, 0); }
  40% { text-shadow: 2px 0 var(--red), -2px 0 var(--cyan); transform: translate(-1px, 0); }
  60% { text-shadow: -1px 0 var(--red), 1px 0 var(--cyan); clip-path: inset(20% 0 60% 0); transform: translate(1px, 0); }
  80% { text-shadow: 1px 0 var(--red), -1px 0 var(--cyan); clip-path: inset(60% 0 20% 0); transform: translate(-1px, 0); }
}
.glitch {
  animation: glitch-shift 380ms steps(8) both;
  display: inline-block;
}
.prompt-cmd:hover,
.entry-title:hover,
.skill-group-title:hover {
  animation: glitch-shift 220ms steps(4) 1;
  display: inline-block;
}

/* link/button hover glitch */
a:hover {
  animation: glitch-shift 200ms steps(4) 1;
}
.term-controls button:hover {
  animation: glitch-shift 180ms steps(4) 1;
}

/* ============================================================
   PHASE 4 — Click flash + ripple
   ============================================================ */
body::after {
  content: '';
  position: fixed;
  inset: 0;
  background: var(--green);
  opacity: 0;
  pointer-events: none;
  z-index: 9998;
  mix-blend-mode: screen;
}
body.flash::after {
  animation: screen-flash 130ms ease-out;
}
@keyframes screen-flash {
  0%   { opacity: 0.18; }
  100% { opacity: 0; }
}

#click-ripples {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 9997;
}
.ripple {
  position: fixed;
  width: 14px;
  height: 14px;
  margin-left: -7px;
  margin-top: -7px;
  border-radius: 50%;
  border: 1px solid var(--green);
  background: radial-gradient(circle, rgba(0,255,65,0.35), transparent 70%);
  pointer-events: none;
  animation: ripple 520ms ease-out forwards;
  box-shadow: 0 0 8px rgba(0,255,65,0.6);
}
@keyframes ripple {
  from { transform: scale(0.3); opacity: 0.7; }
  to   { transform: scale(8);   opacity: 0; }
}

/* ============================================================
   PHASE 5 — Glitch bar sweep
   ============================================================ */
#glitch-bar {
  position: fixed;
  left: 0;
  right: 0;
  height: 38px;
  top: -10%;
  pointer-events: none;
  z-index: 9996;
  opacity: 0;
  background:
    linear-gradient(
      180deg,
      transparent 0%,
      rgba(0, 255, 225, 0.18) 30%,
      rgba(255, 255, 255, 0.25) 50%,
      rgba(255, 0, 60, 0.18) 70%,
      transparent 100%
    );
  mix-blend-mode: screen;
  filter: blur(0.5px);
}
#glitch-bar.sweep {
  animation: bar-sweep 220ms linear;
}
@keyframes bar-sweep {
  0%   { top: -10%; opacity: 0; }
  10%  { opacity: 1; }
  90%  { opacity: 1; }
  100% { top: 110%; opacity: 0; }
}

/* ============================================================
   PHASE 6 — Cursor trail canvas
   ============================================================ */
#cursor-trail {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 9995;
  opacity: 0.75;
}

/* ============================================================
   Print
   ============================================================ */
@media print {
  #matrix-rain, .crt-overlay, .statusbar, .term-controls,
  #glitch-bar, #click-ripples, #cursor-trail, #auth-gate { display: none; }
  body { background: #fff; color: #000; text-shadow: none; }
  .terminal { box-shadow: none; border: 1px solid #000; background: #fff; }
  .output, .entry { color: #000; }
  a { color: #000; text-shadow: none; }
  .term-content { opacity: 1 !important; filter: none !important; }
}

/* ============================================================
   Reduced motion
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
  .terminal { animation: none; }
  .cursor { animation: none; }
  .glitch,
  #glitch-bar,
  #glitch-bar.sweep,
  .scrambling,
  .ripple,
  body.flash::after,
  .entry::before,
  .entry:hover::before,
  .auth-hint,
  a:hover,
  .prompt-cmd:hover,
  .entry-title:hover,
  .skill-group-title:hover,
  .term-controls button:hover {
    animation: none !important;
  }
  .term-content { transition: none !important; }
  #cursor-trail, #click-ripples, #glitch-bar { display: none; }
}