:root {
  color-scheme: dark;
  --text: #f7f7fb;
  --muted: rgba(247, 247, 251, 0.68);
  --faint: rgba(247, 247, 251, 0.42);
  --panel: rgba(8, 10, 16, 0.58);
  --panel-strong: rgba(8, 10, 16, 0.78);
  --line: rgba(255, 255, 255, 0.14);
  --accent: #5eead4;
  --accent-strong: #2dd4bf;
  --hot: #fb7185;
  --surface: rgba(255, 255, 255, 0.08);
  --surface-hover: rgba(255, 255, 255, 0.14);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  overflow: hidden;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background: #080a10;
}

button,
input,
textarea {
  font: inherit;
}

button {
  color: inherit;
}

.topbar-btn,
.icon-btn,
.ghost-btn,
.primary-btn,
.main-play-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line);
  border-radius: 8px;
  cursor: pointer;
  transition: background 0.18s ease, border-color 0.18s ease, transform 0.18s ease, color 0.18s ease;
}

.topbar-btn:hover,
.icon-btn:hover,
.ghost-btn:hover,
.primary-btn:hover,
.main-play-btn:hover {
  transform: translateY(-1px);
  border-color: rgba(255, 255, 255, 0.28);
}

.panel-heading,
.section-title,
.account-line {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.eyebrow {
  display: block;
  margin-bottom: 3px;
  color: var(--accent);
  font-size: 11px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0;
}

h1,
h2 {
  margin: 0;
  line-height: 1.05;
}

h1 {
  font-size: 30px;
}

h2 {
  font-size: 15px;
}

input,
textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.08);
  color: var(--text);
  outline: none;
}

input {
  height: 42px;
  padding: 0 12px;
}

textarea {
  min-height: 118px;
  max-height: 200px;
  resize: vertical;
  padding: 11px 12px;
  line-height: 1.4;
}

input:focus,
textarea:focus {
  border-color: rgba(94, 234, 212, 0.78);
  box-shadow: 0 0 0 3px rgba(94, 234, 212, 0.12);
}

input::placeholder,
textarea::placeholder {
  color: var(--faint);
}

.primary-btn,
.ghost-btn {
  min-height: 40px;
  padding: 0 12px;
  gap: 8px;
}

.primary-btn {
  border-color: rgba(94, 234, 212, 0.44);
  background: rgba(45, 212, 191, 0.24);
  color: #ecfffb;
  font-weight: 700;
}

.primary-btn:hover {
  background: rgba(45, 212, 191, 0.34);
}

.ghost-btn,
.icon-btn {
  background: var(--surface);
}

.ghost-btn:hover,
.icon-btn:hover {
  background: var(--surface-hover);
}

.icon-btn {
  width: 38px;
  height: 38px;
}

.icon-btn.active {
  border-color: rgba(94, 234, 212, 0.6);
  background: rgba(94, 234, 212, 0.18);
  color: #d9fffa;
}

.main-play-btn {
  width: 46px;
  height: 46px;
  border-color: rgba(251, 113, 133, 0.46);
  background: rgba(251, 113, 133, 0.24);
  font-size: 16px;
}

.empty-state {
  min-height: 160px;
  display: grid;
  place-items: center;
  border: 1px dashed rgba(255, 255, 255, 0.16);
  border-radius: 8px;
  color: var(--muted);
  text-align: center;
  padding: 20px;
}

.hidden {
  display: none !important;
}

@media (max-width: 920px) {
  body {
    overflow: auto;
  }
}