/* Design based on www.zynaptix.de: paper background, panel cards, ink buttons, dotted scribbles. */

:root {
  color-scheme: light;
  --ink: #202522;
  --ink-muted: #45514b;
  --paper: #f6ebc8;
  --panel: #f0eee9;
  --line: #a4a5aa;
  --accent: #405c53;
  --ice-melt: #d3e4f1;
  --almost-aqua: #cad3c1;
  --raindrops-on-roses: #ebd8db;
  --danger: #8e3b34;
  --shadow: rgb(32 37 34 / .12);
}

@media (prefers-color-scheme: dark) {
  :root {
    color-scheme: dark;
    --ink: #f4f1e8;
    --ink-muted: #c4ccc6;
    --paper: #18211d;
    --panel: #24302a;
    --line: #728078;
    --accent: #a5c9b7;
    --ice-melt: #344a58;
    --almost-aqua: #465340;
    --raindrops-on-roses: #543f47;
    --danger: #e3988f;
    --shadow: rgb(0 0 0 / .32);
  }
}

* { box-sizing: border-box; }

html { background: var(--paper); }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: ui-sans-serif, system-ui, sans-serif;
  line-height: 1.5;
}

a { color: inherit; text-underline-offset: .18em; }

a:focus-visible,
button:focus-visible,
input:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 4px;
}

/* --- Layout ------------------------------------------------------------- */

.site-shell {
  width: min(100% - 2rem, 46rem);
  margin: 0 auto;
  padding: 1rem 0 2rem;
}
.site-shell--narrow { width: min(100% - 2rem, 26rem); }

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  min-height: 2rem;
  margin-bottom: 1.5rem;
  color: var(--ink-muted);
  font-size: .85rem;
}
.topbar form { margin: 0; }

.intro { margin-bottom: 1.25rem; }

.eyebrow {
  margin: 0 0 .35rem;
  color: var(--accent);
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .16em;
  text-transform: uppercase;
}

h1, h2, p { margin-top: 0; }

h1 {
  margin-bottom: .6rem;
  font-size: clamp(2.5rem, 10vw, 4.5rem);
  letter-spacing: -.075em;
  line-height: .9;
}

.intro-copy {
  max-width: 34rem;
  margin-bottom: 0;
  color: var(--ink-muted);
  font-size: clamp(1rem, 2vw, 1.15rem);
}

/* --- Cards -------------------------------------------------------------- */

.card {
  position: relative;
  margin-bottom: 1rem;
  padding: 1.35rem;
  border: 1px solid var(--line);
  border-radius: 1.25rem;
  background: var(--panel);
  box-shadow: 0 .35rem .9rem var(--shadow);
}

.card-index {
  margin: 0;
  color: var(--accent);
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .12em;
}

.card-title {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: .75rem;
  margin-bottom: .75rem;
}

.card h2 {
  margin-bottom: 0;
  font-size: clamp(1.75rem, 6vw, 2.4rem);
  letter-spacing: -.055em;
  line-height: .95;
}

.scribble {
  flex: none;
  width: clamp(3rem, 10vw, 4.25rem);
  height: clamp(3rem, 10vw, 4.25rem);
  margin-top: -.25rem;
  color: var(--ink);
  fill: none;
  stroke: currentColor;
  stroke-width: 2.05;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-dasharray: 0 1.15;
  transform: rotate(-4deg);
}
.scribble--tilt { transform: rotate(4deg); }

/* --- Call card ------------------------------------------------------------ */

.call-state {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1rem;
}

.status { font-weight: 700; }
.status[data-state="connecting"],
.status[data-state="searching"] { color: var(--accent); }
.status[data-state="live"] { color: var(--accent); }
.status[data-state="live"]::before {
  content: "";
  display: inline-block;
  width: .55rem;
  height: .55rem;
  margin-right: .45rem;
  border-radius: 50%;
  background: currentColor;
  animation: pulse 1.6s ease-in-out infinite;
}
.status[data-state="error"] { color: var(--danger); }

@keyframes pulse { 50% { opacity: .25; } }

.timer {
  color: var(--ink-muted);
  font-size: 1.75rem;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  letter-spacing: -.03em;
}

.buttons {
  display: flex;
  flex-wrap: wrap;
  gap: .6rem;
}

/* --- Buttons -------------------------------------------------------------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 7.5rem;
  padding: .7rem 1rem;
  border: 1px solid var(--ink);
  border-radius: .5rem;
  background: var(--ink);
  color: var(--panel);
  font: inherit;
  font-size: .92rem;
  font-weight: 700;
  cursor: pointer;
}
.btn:hover:not(:disabled) { background: var(--accent); border-color: var(--accent); }
.btn:disabled { opacity: .35; cursor: not-allowed; }

.btn-secondary {
  background: transparent;
  color: var(--ink);
}
.btn-secondary:hover:not(:disabled) { color: var(--panel); }

.btn-hangup {
  background: var(--danger);
  border-color: var(--danger);
  color: var(--panel);
}
.btn-hangup:hover:not(:disabled) { filter: brightness(1.1); background: var(--danger); border-color: var(--danger); }

.link {
  padding: 0;
  border: 0;
  background: none;
  color: var(--accent);
  font: inherit;
  cursor: pointer;
  text-decoration: underline;
  text-underline-offset: .18em;
}

/* --- Transcript ----------------------------------------------------------- */

.log {
  display: flex;
  flex-direction: column;
  gap: .5rem;
  max-height: 50vh;
  overflow-y: auto;
}

.empty { margin: 0; color: var(--ink-muted); }

.turn {
  max-width: 85%;
  margin: 0;
  padding: .55rem .8rem;
  border-radius: .9rem;
}
.turn strong {
  display: block;
  color: var(--accent);
  font-size: .7rem;
  letter-spacing: .12em;
  text-transform: uppercase;
}
.turn-user { align-self: flex-end; background: var(--ice-melt); border-bottom-right-radius: .25rem; }
.turn-agent { align-self: flex-start; background: var(--almost-aqua); border-bottom-left-radius: .25rem; }

/* --- Login ---------------------------------------------------------------- */

.login-form {
  display: flex;
  flex-direction: column;
  gap: .4rem;
}
.login-form label {
  margin-top: .5rem;
  font-size: .85rem;
  font-weight: 700;
}
.login-form input {
  padding: .7rem .8rem;
  border: 1px solid var(--line);
  border-radius: .5rem;
  background: var(--paper);
  color: var(--ink);
  font: inherit;
}
.login-form .btn { margin-top: 1.1rem; }

.login-error {
  margin: 0 0 .5rem;
  padding: .6rem .8rem;
  border: 1px solid var(--danger);
  border-radius: .5rem;
  background: var(--raindrops-on-roses);
  color: var(--ink);
  font-size: .9rem;
}

/* --- Footer --------------------------------------------------------------- */

.site-footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: .4rem 1.25rem;
  margin-top: 1.5rem;
  color: var(--accent);
  font-size: .82rem;
}
.site-footer a { text-decoration: none; }
.site-footer a:hover { text-decoration: underline; }

@media (min-width: 48rem) {
  .site-shell { padding-top: 2rem; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}