:root {
  --bg: #f3efe5;
  --panel: rgba(255, 252, 246, 0.82);
  --ink: #1d2228;
  --muted: #5d6a76;
  --line: rgba(29, 34, 40, 0.12);
  --accent: #0f766e;
  --accent-2: #db5b2c;
  --shadow: 0 22px 60px rgba(28, 38, 48, 0.14);
  --radius: 24px;
}

* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  min-height: 100%;
}

body {
  font-family: "Aptos", "Segoe UI Variable Display", "Trebuchet MS", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(219, 91, 44, 0.15), transparent 30%),
    radial-gradient(circle at bottom right, rgba(15, 118, 110, 0.18), transparent 32%),
    linear-gradient(135deg, #efe7d7 0%, #f8f3eb 45%, #e7efe8 100%);
}

.shell {
  width: min(1120px, calc(100% - 32px));
  margin: 32px auto;
  display: grid;
  gap: 24px;
}

.hero,
.card,
.login-card {
  background: var(--panel);
  backdrop-filter: blur(18px);
  border: 1px solid rgba(255, 255, 255, 0.65);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.hero {
  padding: 28px;
  display: grid;
  gap: 18px;
}

.hero-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
}

.eyebrow {
  margin: 0 0 8px;
  font-size: 0.8rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 700;
}

.hero h1,
.login-card h1 {
  margin: 0;
  font-size: clamp(2rem, 4vw, 3.4rem);
  line-height: 0.96;
  letter-spacing: -0.04em;
}

.hero p,
.login-card p,
.hint,
.stat-label {
  color: var(--muted);
}

.hero p {
  margin: 0;
  font-size: 1rem;
  max-width: 72ch;
}

.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 14px;
}

.stat {
  background: rgba(255, 255, 255, 0.55);
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 14px 16px;
}

.stat-label {
  display: block;
  font-size: 0.8rem;
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.stat-value {
  font-size: 1.05rem;
  font-weight: 700;
}

.tab-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.tab-button,
.logout-button,
.primary-button,
.secondary-button,
.download-link {
  appearance: none;
  border: 0;
  border-radius: 999px;
  padding: 12px 18px;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
  transition: transform 120ms ease, opacity 120ms ease, background 120ms ease;
  text-decoration: none;
}

.tab-button,
.logout-button,
.secondary-button {
  background: rgba(29, 34, 40, 0.08);
  color: var(--ink);
}

.tab-button.is-active,
.primary-button {
  background: linear-gradient(135deg, var(--accent) 0%, #166534 100%);
  color: white;
}

.download-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--accent-2) 0%, #b54722 100%);
  color: white;
}

.tab-button:hover,
.primary-button:hover,
.secondary-button:hover,
.logout-button:hover,
.download-link:hover,
.delete-key-button:hover {
  transform: translateY(-1px);
}

.logout-form {
  margin: 0;
}

.workspace {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(320px, 0.75fr);
  gap: 24px;
}

.workspace-keys {
  align-items: start;
}

.card {
  padding: 24px;
}

.card h2,
.card h3 {
  margin: 0 0 8px;
}

.card h2 {
  font-size: 1.35rem;
}

.card h3 {
  font-size: 1rem;
  margin-top: 18px;
}

.card p {
  margin: 0 0 18px;
}

.form-grid {
  display: grid;
  gap: 18px;
}

.field {
  display: grid;
  gap: 8px;
}

.field label {
  font-size: 0.92rem;
  font-weight: 700;
}

textarea,
select,
input[type="password"],
input[type="text"] {
  width: 100%;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.86);
  color: var(--ink);
  border-radius: 18px;
  padding: 14px 16px;
  font: inherit;
}

textarea {
  min-height: 240px;
  resize: vertical;
  line-height: 1.5;
}

.split {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.status {
  margin-top: 14px;
  padding: 14px 16px;
  border-radius: 18px;
  background: rgba(29, 34, 40, 0.05);
  color: var(--ink);
  min-height: 52px;
  display: flex;
  align-items: center;
}

.status[data-tone="working"] {
  background: rgba(15, 118, 110, 0.12);
}

.status[data-tone="success"] {
  background: rgba(22, 101, 52, 0.12);
}

.status[data-tone="error"] {
  background: rgba(190, 24, 93, 0.12);
}

.player-card audio {
  width: 100%;
  margin-top: 10px;
}

.chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 16px 0 0;
}

.chip {
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid var(--line);
  color: var(--ink);
  border-radius: 999px;
  padding: 8px 12px;
  font-size: 0.88rem;
}

.result-block {
  margin-top: 20px;
  padding: 18px;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.62);
  border: 1px solid var(--line);
}

.code-block {
  margin: 8px 0 0;
  padding: 14px 16px;
  border-radius: 16px;
  background: #17212b;
  color: #ecf4ff;
  overflow-x: auto;
  white-space: pre-wrap;
  word-break: break-word;
  font-family: "Cascadia Code", "SFMono-Regular", Consolas, monospace;
  font-size: 0.9rem;
}

.key-list {
  display: grid;
  gap: 12px;
}

.key-card {
  display: grid;
  gap: 8px;
  padding: 16px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.62);
  border: 1px solid var(--line);
}

.key-card-header {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: center;
}

.key-meta {
  color: var(--muted);
  font-size: 0.9rem;
}

.delete-key-button {
  appearance: none;
  border: 0;
  border-radius: 999px;
  padding: 10px 14px;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
  background: rgba(190, 24, 93, 0.12);
  color: #8a1242;
  transition: transform 120ms ease, opacity 120ms ease;
}

.empty-state {
  padding: 16px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.62);
  border: 1px dashed var(--line);
  color: var(--muted);
}

.login-wrap {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}

.login-card {
  width: min(520px, 100%);
  padding: 30px;
  display: grid;
  gap: 18px;
}

.login-card p {
  margin: 0;
}

.error-banner {
  border-radius: 16px;
  padding: 12px 14px;
  background: rgba(190, 24, 93, 0.12);
  color: #8a1242;
}

@media (max-width: 920px) {
  .workspace {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .shell {
    width: min(100% - 20px, 1120px);
    margin: 18px auto;
  }

  .hero,
  .card,
  .login-card {
    padding: 20px;
  }

  .hero-top {
    flex-direction: column;
    align-items: stretch;
  }

  .split {
    grid-template-columns: 1fr;
  }

  .button-row,
  .tab-row,
  .key-card-header {
    flex-direction: column;
    align-items: stretch;
  }

  .tab-button,
  .primary-button,
  .secondary-button,
  .download-link,
  .logout-button,
  .delete-key-button {
    width: 100%;
    justify-content: center;
  }
}