:root {
  --bg-1: #faf7f0;
  --bg-2: #f0f7ff;
  --ink: #111014;
  --muted: #5d5a66;
  --primary: #2f6bff;
  --primary-dark: #2049b5;
  --success: #1f9d5a;
  --danger: #d5474d;
  --card: #ffffff;
  --border: rgba(17, 16, 20, 0.1);
  --shadow: 0 10px 30px rgba(17, 16, 20, 0.08);
  --radius: 16px;
  --font-display: "Playfair Display", "Times New Roman", serif;
  --font-body: "Source Sans 3", "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  font-family: var(--font-body);
  background: linear-gradient(160deg, var(--bg-1), var(--bg-2));
}

.bg {
  position: fixed;
  inset: 0;
  background:
    radial-gradient(circle at 20% 20%, rgba(47, 107, 255, 0.1), transparent 50%),
    radial-gradient(circle at 80% 30%, rgba(31, 157, 90, 0.1), transparent 55%),
    radial-gradient(circle at 50% 85%, rgba(213, 71, 77, 0.12), transparent 50%);
  z-index: -1;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px clamp(20px, 5vw, 80px);
}

.brand {
  display: flex;
  gap: 16px;
  align-items: center;
}

.logo {
  width: 48px;
  height: 48px;
  border-radius: 16px;
  display: grid;
  place-items: center;
  background: var(--ink);
  color: #fff;
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: 0.08em;
}


h1 {
  font-family: var(--font-display);
  margin: 0 0 4px;
  font-size: clamp(24px, 4vw, 36px);
}

.site-header p {
  margin: 0;
  color: var(--muted);
}

.container {
  padding: 0 clamp(20px, 5vw, 80px) 64px;
}

.panel {
  background: var(--card);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: clamp(20px, 3vw, 36px);
  border: 1px solid var(--border);
  animation: fadeUp 0.5s ease;
}

.hidden {
  display: none;
}

h2 {
  margin-top: 0;
  font-family: var(--font-display);
}

.form-grid {
  display: grid;
  gap: 16px;
  grid-template-columns: 1fr;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-weight: 600;
}

.field span {
  color: var(--muted);
  font-weight: 600;
}

input {
  padding: 12px 14px;
  border-radius: 12px;
  border: 1px solid var(--border);
  font-size: 16px;
  background: #fff;
}

.time-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.btn {
  border: none;
  border-radius: 999px;
  padding: 12px 18px;
  font-weight: 700;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
  text-align: center;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn.primary {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 10px 20px rgba(47, 107, 255, 0.25);
}

.btn.primary:hover {
  background: var(--primary-dark);
  transform: translateY(-1px);
}

.btn.ghost {
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--border);
}

.btn.success {
  background: var(--success);
  color: #fff;
}

.btn.danger {
  background: var(--danger);
  color: #fff;
}

.list-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 24px;
  gap: 16px;
  flex-wrap: wrap;
}

.list-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.task-list {
  list-style: none;
  padding: 0;
  margin: 16px 0 0;
  display: grid;
  gap: 12px;
}

.task-item {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 12px;
  padding: 14px 16px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: #fff;
}

.task-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.task-btn {
  padding: 8px 10px;
  border-radius: 10px;
  font-size: 12px;
  box-shadow: none;
}

.task-btn.danger {
  border: 1px solid rgba(213, 71, 77, 0.3);
}

.task-item h4 {
  margin: 0 0 4px;
}

.task-item p {
  margin: 0;
  color: var(--muted);
}

.site-footer {
  margin-top: 32px;
  padding: 28px clamp(20px, 5vw, 80px);
}

.footer-inner {
  display: grid;
  gap: 8px;
  text-align: center;
  max-width: 720px;
  margin: 0 auto;
  color: var(--muted);
  font-size: 13px;
}

.site-footer h4 {
  margin: 0 0 4px;
  font-size: 13px;
  font-weight: 700;
}

.site-footer p {
  margin: 0;
  color: var(--muted);
}

.footer-links {
  margin-top: 6px;
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  justify-content: center;
}

.footer-links a {
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

.footer-links a:hover {
  border-bottom-color: currentColor;
}

.footer-meta {
  margin-top: 6px;
  display: flex;
  gap: 6px;
  color: var(--muted);
  font-weight: 600;
  justify-content: center;
}

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

.current-task {
  margin-top: 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px;
  border-radius: 14px;
  background: #f7f2ea;
}

.current-task .label {
  margin: 0;
  color: var(--muted);
}

.current-task h3 {
  margin: 6px 0 0;
}

.badge {
  background: var(--ink);
  color: #fff;
  padding: 6px 12px;
  border-radius: 999px;
  font-size: 14px;
}

.timer {
  margin-top: 24px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 16px;
  align-items: center;
}

.time-display {
  font-size: clamp(44px, 9vw, 76px);
  font-weight: 700;
  letter-spacing: 0.06em;
  font-variant-numeric: tabular-nums;
}

.timer-actions {
  display: grid;
  gap: 12px;
  justify-items: end;
}

.time-block {
  display: grid;
  gap: 12px;
}

.progress {
  width: 100%;
  height: 12px;
  border-radius: 999px;
  background: rgba(17, 16, 20, 0.08);
  overflow: hidden;
}

.progress-bar {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--primary), var(--success));
  transition: width 0.3s ease;
}

.overall-progress {
  margin-top: 24px;
  display: grid;
  gap: 10px;
}

.progress-label {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-weight: 600;
  color: var(--muted);
}

.progress-meta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.progress-count {
  font-size: 12px;
}

.progress-percent {
  font-variant-numeric: tabular-nums;
}

.queue {
  margin-top: 28px;
}

.queue ul {
  list-style: none;
  padding: 0;
  margin: 12px 0 0;
  display: grid;
  gap: 10px;
}

.queue li {
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px dashed var(--border);
  color: var(--muted);
}

.toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--ink);
  color: #fff;
  padding: 12px 18px;
  border-radius: 999px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.toast.show {
  opacity: 1;
  transform: translate(-50%, -6px);
}

.lang-switch {
  display: flex;
  gap: 8px;
}


@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (min-width: 768px) {
  .form-grid {
    grid-template-columns: 1.2fr 1fr auto;
    align-items: end;
  }

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

@media (max-width: 640px) {
  .site-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
  }

  .current-task {
    flex-direction: column;
    align-items: flex-start;
  }

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

  .time-display {
    text-align: center;
  }

  .timer-actions {
    justify-items: stretch;
  }
}