/* caedo.dev global styles — retro terminal theme.
   System fonts only: nothing external is loaded (PLAN.md section 9). */

:root {
  color-scheme: dark;
  --bg: #000400;
  --bg-raised: #020802;
  --bg-inset: #010501;
  --border: #14301c;
  --text: #3dff73;
  --text-dim: #1f8f46;
  --accent: #3dff73;
  --danger: #ff3355;
  --danger-dim: #7a1f30;
  --warn: #ffcc33;
  --admin: #ff5fd2;
  --text-glow: rgba(61, 255, 115, 0.14);
  --scanline: rgba(0, 0, 0, 0.14);
  --warn-bg: rgba(255, 204, 51, 0.05);
  --accent-glow: rgba(61, 255, 115, 0.28);
  --panel-card-background:
    repeating-linear-gradient(
      0deg,
      color-mix(in srgb, var(--scanline) 22%, transparent) 0 1px,
      transparent 1px 3px
    ),
    linear-gradient(135deg, color-mix(in srgb, var(--accent) 7%, transparent), transparent 48%),
    color-mix(in srgb, var(--bg-raised) 94%, var(--accent) 6%);
  --panel-card-border: color-mix(in srgb, var(--accent) 42%, var(--border));
  --panel-card-shadow:
    0 0 0 1px var(--bg-inset),
    0 0 0.75rem color-mix(in srgb, var(--accent-glow) 42%, transparent),
    0 0.8rem 2rem rgba(0, 0, 0, 0.2);
  --mono: ui-monospace, "SF Mono", SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
  --sans: var(--mono);
  --panel-shell-padding-y: clamp(1rem, 2.5vw, 2.6rem);
  --panel-shell-padding-x: clamp(1rem, 3.5vw, 4.5rem);
  --panel-shell-gap: 1rem;
}

@media (max-width: 760px) {
  :root {
    --panel-shell-padding-y: 1rem;
    --panel-shell-padding-x: 1rem;
  }
}

@media (max-width: 480px) {
  :root {
    --panel-shell-padding-x: 0.75rem;
  }
}

html[data-theme="amber"] {
  --bg: #080500;
  --bg-raised: #0d0801;
  --bg-inset: #050301;
  --border: #4a2c08;
  --text: #ffbf4a;
  --text-dim: #a87127;
  --accent: #ffb000;
  --danger: #ff5a4e;
  --danger-dim: #7f2a24;
  --warn: #ffe08a;
  --admin: #ff8f5e;
  --text-glow: rgba(255, 176, 0, 0.14);
  --scanline: rgba(0, 0, 0, 0.15);
  --warn-bg: rgba(255, 224, 138, 0.06);
  --accent-glow: rgba(255, 176, 0, 0.28);
}

html[data-theme="cyan"] {
  --bg: #000609;
  --bg-raised: #020b0f;
  --bg-inset: #010406;
  --border: #123a45;
  --text: #59e6ff;
  --text-dim: #238ea3;
  --accent: #59e6ff;
  --danger: #ff5370;
  --danger-dim: #7f2639;
  --warn: #ffe28a;
  --admin: #b28cff;
  --text-glow: rgba(89, 230, 255, 0.14);
  --scanline: rgba(0, 0, 0, 0.15);
  --warn-bg: rgba(255, 226, 138, 0.06);
  --accent-glow: rgba(89, 230, 255, 0.28);
}

html[data-theme="mono"] {
  --bg: #050505;
  --bg-raised: #101010;
  --bg-inset: #020202;
  --border: #333333;
  --text: #e8e8e8;
  --text-dim: #919191;
  --accent: #ffffff;
  --danger: #ff6b6b;
  --danger-dim: #7f3333;
  --warn: #dedede;
  --admin: #b8b8b8;
  --text-glow: rgba(232, 232, 232, 0.1);
  --scanline: rgba(255, 255, 255, 0.025);
  --warn-bg: rgba(222, 222, 222, 0.06);
  --accent-glow: rgba(255, 255, 255, 0.18);
}

* {
  box-sizing: border-box;
  scrollbar-color: var(--text-dim) var(--bg-inset);
  scrollbar-width: thin;
}

*::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}

*::-webkit-scrollbar-track {
  background: var(--bg-inset);
  border: 1px solid var(--border);
}

*::-webkit-scrollbar-thumb {
  background: var(--text-dim);
  border: 2px solid var(--bg-inset);
}

*::-webkit-scrollbar-thumb:hover {
  background: var(--accent);
}

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

html,
body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  background-image:
    radial-gradient(ellipse at 50% 42%, color-mix(in srgb, var(--accent) 10%, transparent), transparent 42%),
    radial-gradient(circle at 12% 18%, color-mix(in srgb, var(--accent) 6%, transparent), transparent 24%),
    radial-gradient(circle at 88% 82%, color-mix(in srgb, var(--accent) 4%, transparent), transparent 26%),
    radial-gradient(ellipse at center, transparent 42%, rgba(0, 0, 0, 0.72) 100%);
  background-attachment: fixed;
  background-size: 100% 100%;
  color: var(--text);
  font-family: var(--mono);
  font-size: 15px;
  line-height: 1.55;
  text-shadow: 0 0 5px var(--text-glow);
}

body.transitioning {
  overflow: hidden;
}

body.confirm-open {
  overflow: hidden;
}

/* Static CRT scanlines overlay. */
body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 9999;
  pointer-events: none;
  background: repeating-linear-gradient(
    0deg,
    var(--scanline) 0 1px,
    transparent 1px 3px
  );
  opacity: 0.3;
}

a {
  color: var(--accent);
  text-decoration: none;
}

a:hover,
a:focus-visible {
  background: var(--accent);
  color: var(--bg);
  text-shadow: none;
  box-shadow: 0 0 0.55rem var(--accent-glow);
  outline: none;
}

h1,
h2,
h3 {
  font-family: var(--mono);
  font-weight: 700;
  letter-spacing: 0.02em;
}

code,
.mono {
  font-family: var(--mono);
  font-size: 0.95em;
}

/* Buttons are bare text labels rendered as < label >. Hover/focus inverts
   the label into a solid block, like a highlighted terminal selection. */
button {
  font: inherit;
  color: var(--text);
  background: transparent;
  border: 0;
  border-radius: 0;
  padding: 0.1em 0.05em;
  cursor: pointer;
  letter-spacing: 0.03em;
}

button::before {
  content: "< ";
  color: var(--text-dim);
}

button::after {
  content: " >";
  color: var(--text-dim);
}

button:hover:not(:disabled),
button:focus-visible {
  background: var(--accent);
  color: var(--bg);
  text-shadow: none;
  box-shadow: 0 0 0.55rem var(--accent-glow);
  outline: none;
}

button:hover:not(:disabled)::before,
button:hover:not(:disabled)::after,
button:focus-visible::before,
button:focus-visible::after {
  color: var(--bg);
}

button:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

button.primary {
  font-weight: 700;
  text-transform: uppercase;
}

button.danger {
  color: var(--danger);
}

button.danger::before,
button.danger::after {
  color: var(--danger-dim);
}

button.danger:hover:not(:disabled),
button.danger:focus-visible {
  background: var(--danger);
  color: var(--bg);
}

button.danger:hover:not(:disabled)::before,
button.danger:hover:not(:disabled)::after,
button.danger:focus-visible::before,
button.danger:focus-visible::after {
  color: var(--bg);
}

input,
select {
  font: inherit;
  color: var(--text);
  background: var(--bg-inset);
  border: 1px solid var(--border);
  border-radius: 0;
  padding: 0.4rem 0.6rem;
  width: 100%;
  caret-color: var(--accent);
}

select {
  appearance: none;
  -webkit-appearance: none;
  position: relative;
  min-height: 2.35rem;
  padding-right: 2.4rem;
  cursor: pointer;
  background-image:
    linear-gradient(45deg, transparent 50%, var(--text-dim) 50%),
    linear-gradient(135deg, var(--text-dim) 50%, transparent 50%);
  background-position:
    calc(100% - 1rem) calc(50% - 0.15rem),
    calc(100% - 0.65rem) calc(50% - 0.15rem);
  background-size: 0.4rem 0.4rem, 0.4rem 0.4rem;
  background-repeat: no-repeat;
}

select:hover {
  border-color: var(--text-dim);
  background-image:
    linear-gradient(45deg, transparent 50%, var(--accent) 50%),
    linear-gradient(135deg, var(--accent) 50%, transparent 50%);
}

select:focus {
  background-image:
    linear-gradient(45deg, transparent 50%, var(--accent) 50%),
    linear-gradient(135deg, var(--accent) 50%, transparent 50%);
}

select:disabled {
  cursor: not-allowed;
}

select option,
select optgroup {
  color: var(--text);
  background: var(--bg-raised);
  font: inherit;
}

input:focus,
select:focus {
  outline: 1px dashed var(--accent);
  outline-offset: 1px;
  border-color: var(--accent);
  box-shadow: 0 0 0.45rem var(--accent-glow);
}

/* Field labels are shell prompts. */
label {
  display: block;
  color: var(--text-dim);
  font-size: 0.85rem;
  margin: 0.9rem 0 0.3rem;
}

label::before {
  content: "> ";
}

.card {
  position: relative;
  border: 1px solid var(--panel-card-border);
  border-radius: 0;
  padding: 1.1rem 1.2rem;
  min-width: 0;
  background: var(--panel-card-background);
  box-shadow: var(--panel-card-shadow);
}

.card:focus-within {
  box-shadow:
    0 0 0 1px var(--bg-inset),
    0 0 0.85rem var(--accent-glow),
    0 0.8rem 2rem rgba(0, 0, 0, 0.2);
}

/* Badges are bracketed text: [ high ]. */
.badge {
  display: inline-block;
  font-family: var(--mono);
  font-size: 0.8rem;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.badge::before {
  content: "[";
  color: var(--text-dim);
}

.badge::after {
  content: "]";
  color: var(--text-dim);
}

.badge.high {
  color: var(--accent);
}

.badge.standard {
  color: var(--warn);
}

.badge.admin {
  color: var(--admin);
}

.badge.owner {
  color: var(--accent);
}

.badge.suspended {
  color: var(--danger);
}

.status-line {
  font-family: var(--mono);
  font-size: 0.85rem;
  min-height: 1.4em;
  color: var(--text-dim);
}

/* Blinking block cursor on an idle status line. */
.status-line:empty::after {
  content: "█";
  animation: blink 1.06s steps(1) infinite;
}

@keyframes blink {
  50% {
    opacity: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .status-line:empty::after {
    animation: none;
  }
}

.status-line.error {
  color: var(--danger);
}

.status-line.ok {
  color: var(--accent);
  text-shadow: 0 0 0.45rem var(--accent-glow);
}

.panel-confirm {
  position: fixed;
  inset: 0;
  z-index: 10001;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  background: rgba(0, 0, 0, 0.72);
}

.panel-confirm-box {
  width: min(100%, 30rem);
  max-width: 30rem;
  padding: 1.25rem;
  border: 1px solid var(--danger-dim);
  background: var(--bg-raised);
  box-shadow: 0 0 1.5rem rgba(0, 0, 0, 0.6), 0 0 0.7rem var(--danger-dim);
}

.panel-confirm-title {
  margin: 0;
  color: var(--danger);
  font-size: 1rem;
  text-transform: uppercase;
}

.panel-confirm-title::before {
  content: "!! ";
  color: var(--danger-dim);
}

.panel-confirm-message {
  margin: 0.9rem 0 0;
  color: var(--text);
  overflow-wrap: anywhere;
}

.panel-confirm-actions {
  display: flex;
  justify-content: flex-end;
  gap: 1rem;
  margin-top: 1.25rem;
}

.panel-confirm-cancel {
  color: var(--text-dim);
}

.panel-confirm-submit {
  min-width: 5rem;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.88rem;
}

th,
td {
  text-align: left;
  padding: 0.45rem 0.6rem;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}

th {
  font-family: var(--mono);
  font-weight: 500;
  color: var(--text-dim);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  border-bottom: 1px solid var(--text-dim);
}

.banner {
  display: flex;
  align-items: flex-start;
  gap: 0.8rem;
  border-left: 3px solid var(--warn);
  background: var(--warn-bg);
  color: var(--warn);
  border-radius: 0;
  padding: 0.5rem 0.9rem;
  font-size: 0.88rem;
}

.banner > span {
  flex: 1;
}

.banner-close {
  flex: 0 0 auto;
  color: var(--warn);
  font-size: 0.75rem;
}

.banner::before {
  content: "!! ";
}

.terminal-transition {
  position: fixed;
  inset: 0;
  z-index: 10000;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: clamp(1rem, 5vw, 3rem);
  background:
    radial-gradient(ellipse at center, color-mix(in srgb, var(--accent) 7%, transparent), transparent 62%),
    var(--bg);
  color: var(--text);
  opacity: 0;
  transition: opacity 220ms steps(3, end);
}

.terminal-transition.visible {
  opacity: 1;
}

.transition-console {
  width: min(100%, 58rem);
  padding: clamp(1rem, 3vw, 1.75rem);
  border: 1px solid var(--border);
  background: color-mix(in srgb, var(--bg-raised) 94%, var(--accent) 6%);
  box-shadow:
    0 0 0 1px var(--bg-inset),
    0 0 2rem color-mix(in srgb, var(--accent-glow) 35%, transparent);
}

.transition-heading {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding-bottom: 0.7rem;
  border-bottom: 1px solid var(--border);
  color: var(--text-dim);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.transition-state {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--accent);
}

.transition-state::before {
  content: "";
  width: 0.45rem;
  height: 0.45rem;
  background: var(--accent);
  box-shadow: 0 0 0.5rem var(--accent-glow);
  animation: transition-state-pulse 900ms steps(2, end) infinite;
}

.shutdown .transition-state {
  color: var(--warn);
}

.shutdown .transition-state::before {
  background: var(--warn);
}

.transition-prompt {
  margin: 1rem 0 0.8rem;
  color: var(--accent);
}

.transition-prompt::before {
  content: "> ";
  color: var(--text-dim);
}

.transition-log {
  display: grid;
  gap: 0.12rem;
}

.transition-line {
  display: grid;
  grid-template-columns: 2ch 7ch minmax(0, 1fr);
  gap: 0.8rem;
  color: var(--text-dim);
  font-size: clamp(0.72rem, 1.8vw, 0.9rem);
  line-height: 1.65;
  animation: transition-line-in 140ms steps(3, end) both;
}

.transition-line-number,
.transition-time {
  color: color-mix(in srgb, var(--text-dim) 72%, var(--bg));
}

.transition-message {
  overflow-wrap: anywhere;
}

.transition-line:last-child .transition-message {
  color: var(--accent);
}

.transition-progress {
  height: 2px;
  margin-top: 1.15rem;
  overflow: hidden;
  background: var(--border);
}

.transition-progress > span {
  display: block;
  width: 0;
  height: 100%;
  background: var(--accent);
  box-shadow: 0 0 0.6rem var(--accent-glow);
  transition: width 180ms steps(4, end);
}

.shutdown .transition-progress > span {
  background: var(--warn);
  box-shadow: 0 0 0.6rem color-mix(in srgb, var(--warn) 48%, transparent);
}

@keyframes transition-state-pulse {
  50% {
    opacity: 0.35;
  }
}

.binary-clock {
  display: flex;
  align-items: flex-end;
  gap: 0.7rem;
}

.binary-group {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
}

.binary-group-label {
  color: var(--text-dim);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
}

.binary-column {
  display: grid;
  grid-template-columns: repeat(2, 0.78rem);
  grid-template-rows: repeat(3, 0.78rem);
  gap: 0.3rem 0.35rem;
}

.binary-cell {
  display: block;
  width: 0.78rem;
  height: 0.78rem;
  border: 1px solid var(--border);
  background: var(--bg-inset);
  box-shadow: 0 0 0 transparent;
}

.binary-cell.lit {
  border-color: var(--accent);
  background: var(--accent);
  box-shadow: 0 0 8px var(--accent-glow);
}

.binary-separator {
  align-self: center;
  margin-top: 1.25rem;
  color: var(--text-dim);
}

.binary-clock-time {
  display: block;
  margin-top: 1.1rem;
  color: var(--text-dim);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
}

@keyframes transition-line-in {
  from {
    opacity: 0;
    transform: translateX(-0.4rem);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@media (max-width: 480px) {
  .terminal-transition {
    padding: 0.75rem;
  }

  .transition-console {
    padding: 0.9rem 0.75rem;
  }

  .transition-heading {
    align-items: flex-start;
    flex-direction: column;
    gap: 0.35rem;
  }

  .transition-line {
    grid-template-columns: 2ch 7ch minmax(0, 1fr);
    gap: 0.45rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .terminal-transition {
    transition: none;
  }

  .transition-line,
  .transition-state::before {
    animation: none;
  }

  .transition-progress > span {
    transition: none;
  }
}

[hidden] {
  display: none !important;
}