/* ==========================================================================
   Generate URL — visual layer only.
   All behaviour lives in app.js so this file can be redesigned freely
   without touching the logic.
   ========================================================================== */

:root {
  --page-bg: #f4f4f6;
  --card-bg: #ffffff;

  --ink: #141a35;
  --label: #22263a;
  --placeholder: #b6b6bd;

  --border: #d5d5d5;
  --field-radius: 10px;

  --accent: #5146e5;

  --toggle-track: #d7d7dd;
  --toggle-knob: #ffffff;

  --danger: #d64545;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  padding: 0 14px;
  min-height: 100vh;
  background: var(--page-bg);
  color: var(--ink);
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* --------------------------------------------------------------------------
   Card
   -------------------------------------------------------------------------- */

.card {
  width: 100%;
  max-width: 560px;
  margin: 50px auto 0;
  padding: 42px 18px 64px;
  background: var(--card-bg);
  border-radius: 20px 20px 0 0;
}

.title {
  margin: 0 0 40px;
  font-size: 31px;
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.01em;
  text-align: center;
  color: var(--ink);
}

/* --------------------------------------------------------------------------
   Form
   -------------------------------------------------------------------------- */

.form {
  display: block;
}

.field {
  margin-bottom: 27px;
}

.label {
  display: block;
  margin-bottom: 11px;
  font-size: 19px;
  font-weight: 500;
  line-height: 1.3;
  color: var(--label);
}

.input,
.output {
  display: block;
  width: 100%;
  font-family: inherit;
  font-size: 20px;
  color: var(--ink);
  background: #ffffff;
  border: 1px solid var(--border);
  border-radius: var(--field-radius);
  outline: none;
}

.input {
  height: 62px;
  padding: 0 18px;
}

.input::placeholder,
.output::placeholder {
  color: var(--placeholder);
  opacity: 1;
}

.input:focus,
.output:focus {
  border-color: var(--accent);
}

.input.is-invalid {
  border-color: var(--danger);
}

/* Meeting ID row --------------------------------------------------------- */

.meeting-row {
  display: flex;
  align-items: center;
  gap: 10px;
}

.meeting-input {
  flex: 1 1 auto;
  min-width: 0;
}

.generate-label {
  flex: 0 0 auto;
  font-size: 19px;
  font-weight: 500;
  color: var(--label);
}

.toggle {
  flex: 0 0 auto;
  position: relative;
  width: 70px;
  height: 36px;
  padding: 0;
  border: none;
  border-radius: 18px;
  background: var(--toggle-track);
  cursor: pointer;
  transition: background-color 0.18s ease;
}

.toggle-knob {
  position: absolute;
  top: 3px;
  left: 3px;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: var(--toggle-knob);
  transition: transform 0.18s ease;
}

.toggle[aria-checked="true"] {
  background: var(--accent);
}

.toggle[aria-checked="true"] .toggle-knob {
  transform: translateX(34px);
}

.toggle:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

/* Submit ----------------------------------------------------------------- */

.submit {
  display: block;
  width: 100%;
  height: 60px;
  margin-top: 27px;
  padding: 0;
  font-family: inherit;
  font-size: 21px;
  font-weight: 600;
  color: #ffffff;
  background: var(--accent);
  border: none;
  border-radius: 9px;
  cursor: pointer;
}

.submit:active {
  filter: brightness(0.95);
}

.submit:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.form-error {
  margin: 14px 0 0;
  font-size: 16px;
  color: var(--danger);
}

/* Generated URL output --------------------------------------------------- */

.output-field {
  margin-top: 30px;
  margin-bottom: 0;
}

.output {
  height: 168px;
  padding: 16px 18px;
  line-height: 1.4;
  resize: none;
  overflow-wrap: anywhere;
}

/* --------------------------------------------------------------------------
   Slightly roomier padding once there is space to spare
   -------------------------------------------------------------------------- */

@media (min-width: 480px) {
  .card {
    padding: 46px 30px 72px;
  }
}

/* --------------------------------------------------------------------------
   QR panel
   -------------------------------------------------------------------------- */

.qr-panel {
  margin-top: 30px;
  text-align: center;
}

.qr-panel .label {
  margin-bottom: 14px;
}

.qr-box {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px;
  background: #ffffff;
  border: 1px solid var(--border);
  border-radius: 12px;
}

.qr-image {
  display: block;
  width: 232px;
  height: 232px;
  image-rendering: pixelated;
}

.qr-image:not([src]) {
  display: none;
}

.qr-actions {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-top: 18px;
}

.ghost-btn {
  display: inline-block;
  padding: 11px 18px;
  font-family: inherit;
  font-size: 15px;
  font-weight: 600;
  color: var(--accent);
  text-decoration: none;
  background: #ffffff;
  border: 1px solid var(--border);
  border-radius: 9px;
  cursor: pointer;
}

.ghost-btn:hover {
  border-color: var(--accent);
}

.ghost-btn:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.qr-hint {
  margin: 12px 0 0;
  font-size: 14px;
  color: #6b6b78;
}

.qr-hint:empty {
  display: none;
}