:root {
  color-scheme: dark;
  font-family: "Segoe UI", "Inter", sans-serif;
  --bg: #040912;
  --surface: #0b1424;
  --card: #101d31;
  --field: #081120;
  --border: #233954;
  --text: #e2e8f0;
  --muted: #90a4bf;
  --accent: #38bdf8;
  --danger: #f43f5e;
}

* {
  box-sizing: border-box;
}

html,
body,
#root {
  margin: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at 15% 10%, #10203b 0, #050b15 45%, #040912 100%);
  color: var(--text);
}

.app-shell {
  display: grid;
  grid-template-rows: auto auto auto 1fr;
  height: 100%;
  padding: 14px 16px 12px;
  gap: 10px;
}

.top-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.title-block h1 {
  margin: 0;
  font-size: 25px;
  font-weight: 700;
  letter-spacing: 0.2px;
}

.title-block span {
  color: var(--muted);
  font-size: 13px;
}

.metrics {
  display: flex;
  gap: 12px;
  color: var(--muted);
  font-size: 13px;
}

.control-strip {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  background: linear-gradient(180deg, rgba(20, 34, 56, 0.95), rgba(9, 16, 28, 0.95));
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 12px 14px;
}

.buttons,
.speed-config,
.link-actions,
.input-row,
.settings-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.btn {
  background: #0d1a2c;
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 7px 12px;
  cursor: pointer;
  font-weight: 600;
  transition: transform 0.12s ease, border-color 0.12s ease, background 0.12s ease;
}

.btn:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

.btn:hover:not(:disabled) {
  transform: translateY(-1px);
  border-color: var(--accent);
  background: #12243d;
}

.btn.accent {
  background: linear-gradient(180deg, #56d6ff, #33b9f4);
  color: #07111c;
  border-color: #41c6f9;
}

.btn.danger {
  border-color: rgba(244, 63, 94, 0.7);
  color: #fda4af;
}

.tabs {
  display: flex;
  gap: 8px;
}

.tab {
  background: #0b1321;
  border: 1px solid var(--border);
  color: var(--muted);
  border-radius: 10px;
  padding: 8px 13px;
  cursor: pointer;
  font-weight: 600;
}

.tab.active {
  color: var(--text);
  background: #14253e;
  border-color: #2c4e77;
}

.tab-content {
  min-height: 0;
}

.grid-two {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  height: 100%;
}

.card {
  border: 1px solid var(--border);
  border-radius: 14px;
  background: linear-gradient(180deg, rgba(17, 29, 49, 0.95), rgba(9, 16, 28, 0.95));
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.card.wide {
  grid-column: span 2;
  min-height: 280px;
}

.card h3 {
  margin: 0;
  font-size: 16px;
}

.card label,
.hint {
  color: var(--muted);
  font-size: 13px;
}

.card input,
.card select,
.speed-config input,
.speed-config select,
.speed-config button,
.card textarea {
  width: 100%;
  background: var(--field);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 8px 10px;
}

.card textarea {
  min-height: 220px;
  resize: vertical;
}

.input-row input {
  flex: 1;
}

.speed-config input {
  width: 96px;
}

.speed-config select {
  width: 150px;
}

.downloads-view {
  height: 100%;
  overflow: auto;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.package-card {
  border: 1px solid var(--border);
  border-radius: 14px;
  background: linear-gradient(180deg, rgba(16, 29, 48, 0.95), rgba(7, 13, 22, 0.95));
  padding: 12px;
}

.package-card header {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
}

.package-card h4 {
  margin: 0;
  font-size: 15px;
}

.package-card header span {
  color: var(--muted);
  font-size: 13px;
}

.progress {
  margin-top: 8px;
  height: 7px;
  border-radius: 999px;
  background: #0b1628;
  overflow: hidden;
}

.progress > div {
  height: 100%;
  background: linear-gradient(90deg, #3bc9ff, #22d3ee);
}

table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 10px;
  font-size: 13px;
}

th,
td {
  border-bottom: 1px solid rgba(35, 57, 84, 0.7);
  padding: 7px 8px;
  text-align: left;
}

th {
  color: var(--muted);
  font-weight: 600;
}

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

.settings-actions {
  grid-column: span 2;
  justify-content: flex-end;
}

.empty {
  border: 1px dashed var(--border);
  border-radius: 12px;
  padding: 24px;
  color: var(--muted);
  text-align: center;
}

.toast {
  position: fixed;
  right: 20px;
  bottom: 18px;
  background: #0f1f33;
  color: var(--text);
  border: 1px solid #2a4f78;
  border-radius: 12px;
  padding: 10px 14px;
  box-shadow: 0 16px 30px rgba(0, 0, 0, 0.35);
}

@media (max-width: 1100px) {
  .control-strip {
    flex-direction: column;
    align-items: flex-start;
  }

  .grid-two,
  .settings-grid {
    grid-template-columns: 1fr;
  }

  .card.wide,
  .settings-actions {
    grid-column: span 1;
  }
}