:root {
  --bg: #f7f7f4;
  --surface: #ffffff;
  --surface-muted: #eef1f4;
  --text: #13202d;
  --muted: #556371;
  --border: #d7dde3;
  --focus: #0f6db5;
  --danger: #b74733;
  --blue: #156fae;
  --green: #2f7c56;
  --amber: #aa6a10;
  --red: #a53d30;
  --slate: #56606c;
  --shadow: 0 14px 36px rgba(22, 40, 58, 0.08);
  --radius: 1.25rem;
}

* {
  box-sizing: border-box;
}

html {
  font-size: 100%;
  min-height: 100%;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.45;
  min-height: 100%;
  overflow-x: hidden;
}

img {
  max-width: 100%;
  display: block;
}

a {
  color: var(--blue);
}

button,
input,
select {
  font: inherit;
}

button,
.primary-button,
.ghost-button {
  min-height: 3rem;
  border-radius: 999px;
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.85rem 1.25rem;
}

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

input,
select {
  width: 100%;
  border-radius: 0.9rem;
  border: 1px solid var(--border);
  background: #fff;
  color: var(--text);
  padding: 0.9rem 1rem;
  min-height: 3rem;
}

label {
  display: grid;
  gap: 0.45rem;
}

.muted {
  color: var(--muted);
}

.eyebrow {
  margin: 0 0 0.4rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.85rem;
  color: var(--muted);
}

.flash {
  border-radius: 1rem;
  padding: 1rem 1.1rem;
  margin-bottom: 1rem;
}

.flash--error {
  background: #fcebe7;
  color: #7e2d1f;
}

.flash--success {
  background: #e8f6ee;
  color: #22573d;
}

.public-page,
.admin-page {
  min-height: 100%;
}

.public-shell {
  width: 100%;
  min-height: 100dvh;
  margin: 0;
  padding:
    calc(env(safe-area-inset-top) + 1rem)
    calc(env(safe-area-inset-right) + 0.75rem)
    calc(env(safe-area-inset-bottom) + 1.5rem)
    calc(env(safe-area-inset-left) + 0.75rem);
  display: grid;
  grid-template-rows: auto auto 1fr auto;
  gap: 0.9rem;
}

.public-header {
  text-align: center;
  margin-bottom: 0;
}

.public-title {
  font-size: clamp(1.9rem, 7vw, 3.2rem);
  margin: 0;
}

.public-subtitle {
  margin: 0.45rem 0 0;
  font-size: clamp(0.96rem, 3.5vw, 1.05rem);
  color: var(--muted);
}

.status-banner {
  min-height: 1.5rem;
  text-align: center;
  color: var(--muted);
  margin-bottom: 0;
}

.button-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(0.7rem, 2.5vw, 1rem);
  align-content: start;
}

.talk-button {
  width: 100%;
  min-width: 0;
  border-radius: 1.65rem;
  border: 2px solid transparent;
  padding: 1rem 0.85rem;
  display: grid;
  justify-items: center;
  align-content: center;
  gap: 0.7rem;
  color: #fff;
  box-shadow: var(--shadow);
  transition: transform 120ms ease, filter 120ms ease, box-shadow 120ms ease;
}

.public-page .talk-button {
  min-height: clamp(5.5rem, 27vw, 8.75rem);
  aspect-ratio: 1 / 1;
  padding: clamp(0.65rem, 2.4vw, 1rem);
  gap: clamp(0.35rem, 1.8vw, 0.75rem);
}

.talk-button:hover:not(:disabled),
.talk-button:focus-visible:not(:disabled) {
  transform: translateY(-1px);
  filter: brightness(1.02);
}

.talk-button:active:not(:disabled),
.talk-button.is-playing {
  transform: scale(0.985);
  box-shadow: 0 0 0 4px rgba(15, 109, 181, 0.18);
}

.talk-button:disabled {
  cursor: not-allowed;
}

.talk-button__media {
  min-height: 3rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.talk-button__icon {
  font-size: clamp(1.8rem, 6vw, 3rem);
  font-weight: 700;
}

.talk-button__icon--fallback {
  width: clamp(2.8rem, 8vw, 4rem);
  height: clamp(2.8rem, 8vw, 4rem);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.18);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: clamp(1rem, 3.5vw, 1.55rem);
}

.talk-button__label {
  font-size: clamp(1rem, 4vw, 1.75rem);
  font-weight: 800;
  text-align: center;
  letter-spacing: 0.02em;
  line-height: 1.1;
  overflow-wrap: anywhere;
}

.talk-button__hint {
  font-size: 0.82rem;
  font-weight: 600;
}

.talk-button__image {
  width: clamp(3rem, 9vw, 5.25rem);
  height: clamp(3rem, 9vw, 5.25rem);
  object-fit: cover;
  border-radius: 1rem;
}

.public-page .talk-button__label {
  font-size: clamp(0.95rem, 4.4vw, 1.6rem);
}

.public-page .talk-button__hint {
  font-size: clamp(0.7rem, 2.4vw, 0.82rem);
}

.talk-button--blue { background: var(--blue); }
.talk-button--green { background: var(--green); }
.talk-button--amber { background: var(--amber); }
.talk-button--red { background: var(--red); }
.talk-button--slate { background: var(--slate); }
.talk-button--muted { background: #8c98a3; }

.stop-row {
  display: flex;
  justify-content: center;
  margin-top: 0.2rem;
}

.stop-button,
.primary-button {
  background: var(--text);
  color: #fff;
}

.stop-button {
  width: min(100%, 18rem);
  min-height: 4.2rem;
  font-weight: 700;
}

.ghost-button {
  background: #fff;
  color: var(--text);
  border-color: var(--border);
}

.ghost-button--danger,
.danger-button {
  color: #fff;
  background: var(--danger);
}

.admin-shell,
.login-shell {
  width: min(100%, 78rem);
  margin: 0 auto;
  padding:
    calc(env(safe-area-inset-top) + 1rem)
    calc(env(safe-area-inset-right) + 1rem)
    calc(env(safe-area-inset-bottom) + 1rem)
    calc(env(safe-area-inset-left) + 1rem);
}

.admin-header {
  display: grid;
  gap: 1rem;
  margin-bottom: 1rem;
}

.admin-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.inline-form {
  display: inline-flex;
}

.admin-grid,
.form-layout {
  display: grid;
  gap: 1rem;
}

.panel,
.login-card {
  background: var(--surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1.15rem;
}

.stack-form,
.recording-panel,
.note-box {
  display: grid;
  gap: 1rem;
}

.panel-heading,
.button-card__actions,
.two-col,
.check-row,
.form-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
  justify-content: space-between;
}

.button-list {
  display: grid;
  gap: 1rem;
}

.button-card {
  border: 1px solid var(--border);
  border-radius: 1rem;
  padding: 0.9rem;
  display: grid;
  gap: 1rem;
}

.button-card__sample {
  min-height: 6rem;
  aspect-ratio: auto;
}

.checkbox {
  display: flex;
  align-items: center;
  gap: 0.65rem;
}

.checkbox input {
  width: 1.2rem;
  min-height: 1.2rem;
}

.plain-list {
  margin: 0;
  padding-left: 1.2rem;
}

.recording-actions {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
}

.recording-actions button {
  width: 100%;
  min-height: 3.5rem;
}

.recording-timer {
  font-weight: 800;
  font-size: 1.3rem;
}

.recording-preview-audio,
.existing-audio-player {
  width: 100%;
}

.preview-button {
  min-height: 12rem;
  aspect-ratio: auto;
}

.admin-preview-image {
  width: 9rem;
  border-radius: 1rem;
}

.upload-help {
  margin: -0.4rem 0 0;
}

.preview-panel .talk-button__label,
.button-card__sample .talk-button__label {
  font-size: clamp(1.15rem, 3vw, 2rem);
}

.narrow-panel {
  max-width: 36rem;
}

@media (min-width: 375px) {
  .button-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 700px) {
  .public-shell {
    max-width: 82rem;
    margin: 0 auto;
  }

  .button-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .admin-grid {
    grid-template-columns: 2fr 1fr;
  }

  .form-layout {
    grid-template-columns: 2fr 1fr;
  }

  .button-card {
    grid-template-columns: 14rem 1fr;
    align-items: center;
  }

  .admin-header {
    grid-template-columns: 1fr auto auto;
    align-items: center;
  }
}

@media (max-width: 480px) {
  .panel-heading,
  .button-card__actions,
  .two-col,
  .check-row,
  .form-actions {
    justify-content: flex-start;
  }

  .two-col {
    display: grid;
  }

  .admin-nav {
    gap: 0.5rem 0.9rem;
  }

  .recording-actions {
    grid-template-columns: 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    transition: none !important;
    animation: none !important;
    scroll-behavior: auto !important;
  }
}