:root {
  --bg-main: #050818;
  --bg-card: #0b1024;
  --bg-elevated: #101633;
  --accent: #5b8def;
  --accent-soft: rgba(91, 141, 239, 0.15);
  --accent-strong: #8b5bff;
  --text-primary: #f7f8ff;
  --text-secondary: #a9b2d9;
  --border-subtle: rgba(255, 255, 255, 0.08);
  --danger: #ff5c7a;
  --shadow-soft: 0 18px 45px rgba(4, 10, 45, 0.85);
  --radius-lg: 18px;
  --radius-md: 12px;
  --radius-pill: 999px;
  --transition-fast: 150ms ease-out;
  --transition-med: 220ms ease-out;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

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

body {
  font-family: "Poppins", system-ui, -apple-system, BlinkMacSystemFont,
    "Segoe UI", sans-serif;
  background: radial-gradient(circle at top left, #162151, #050818 55%);
  color: var(--text-primary);
  -webkit-font-smoothing: antialiased;
}

.app-root {
  min-height: 100vh;
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

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

.title-row {
  display: flex;
  align-items: center;
  gap: 14px;
}

.logo {
  width: 52px;
  height: 52px;
  border-radius: 18px;
  background: radial-gradient(circle at 20% 10%, #ffffff, #91b4ff 16%, #4e63ff);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.3),
    0 18px 40px rgba(45, 70, 201, 0.7);
}

.logo img {
  width: 32px;
  height: 32px;
}

.title-text h1 {
  margin: 0;
  font-size: 1.9rem;
  letter-spacing: 0.02em;
}

.subtitle {
  margin: 4px 0 0;
  font-size: 0.88rem;
  color: var(--text-secondary);
}

.app-main {
  display: flex;
  flex-direction: column;
  gap: 18px;
  flex: 1;
}

.card {
  background: linear-gradient(
      145deg,
      rgba(123, 143, 255, 0.05),
      rgba(34, 27, 104, 0.7)
    ),
    radial-gradient(circle at top left, rgba(150, 192, 255, 0.26), transparent);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-soft);
  padding: 16px 18px;
  backdrop-filter: blur(26px);
}

.control-panel {
  padding-bottom: 12px;
}

.control-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.control-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.control-group label {
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 6px;
}

.icon {
  display: inline-flex;
}

.icon-circle {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: radial-gradient(circle at 20% 20%, #ffffff, #8bb0ff);
  color: #0a0f29;
  font-size: 0.68rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
}

.select-wrapper {
  position: relative;
}

.select-wrapper::after {
  content: "▾";
  position: absolute;
  right: 10px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 0.7rem;
  color: var(--text-secondary);
  pointer-events: none;
}

select,
.text-input {
  width: 100%;
  padding: 9px 11px;
  border-radius: 11px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(8, 11, 40, 0.9);
  color: var(--text-primary);
  font-family: inherit;
  font-size: 0.88rem;
  outline: none;
  transition: border-color var(--transition-fast),
    box-shadow var(--transition-fast), background-color var(--transition-fast),
    transform var(--transition-fast);
}

select:focus,
.text-input:focus {
  border-color: rgba(128, 188, 255, 0.9);
  box-shadow: 0 0 0 1px rgba(113, 180, 255, 0.6),
    0 0 32px rgba(68, 127, 255, 0.45);
  transform: translateY(-1px);
}

select:disabled,
.text-input:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.hint {
  margin: 0;
  font-size: 0.75rem;
  color: var(--text-secondary);
  opacity: 0.8;
}

.control-group-checkbox {
  grid-column: 1 / -1;
}

.checkbox-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  font-size: 0.88rem;
  text-transform: none;
  letter-spacing: normal;
}

.checkbox-label input[type="checkbox"] {
  width: 1.1rem;
  height: 1.1rem;
  accent-color: var(--accent);
  cursor: pointer;
}

.io-section {
  display: grid;
  grid-template-columns: 1.1fr 1.1fr;
  gap: 18px;
}

.io-column {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.io-header h2 {
  margin: 0;
  font-size: 1rem;
}

.io-textarea {
  min-height: 210px;
  max-height: 420px;
  resize: vertical;
  border-radius: 14px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(5, 8, 34, 0.96);
  color: var(--text-primary);
  padding: 10px 11px;
  font-family: "SF Mono", "JetBrains Mono", ui-monospace, Menlo, Consolas,
    monospace;
  font-size: 0.85rem;
  outline: none;
  line-height: 1.45;
  transition: border-color var(--transition-fast),
    box-shadow var(--transition-fast), transform var(--transition-fast);
}

.io-textarea:focus {
  border-color: rgba(137, 184, 255, 0.9);
  box-shadow: 0 0 0 1px rgba(126, 186, 255, 0.7),
    0 0 40px rgba(90, 142, 255, 0.45);
  transform: translateY(-1px);
}

.io-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.detected-key-box {
  margin-top: 8px;
  padding: 8px 12px;
  border-radius: var(--radius-md);
  background: rgba(8, 11, 40, 0.9);
  border: 1px solid var(--border-subtle);
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.detected-key-box.has-key {
  color: var(--accent);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 8px 14px;
  border-radius: var(--radius-pill);
  border: 1px solid transparent;
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  transition: background-color var(--transition-med),
    box-shadow var(--transition-med), transform var(--transition-med),
    border-color var(--transition-med), color var(--transition-med);
  font-family: inherit;
}

.btn-primary {
  background: linear-gradient(135deg, #5b8def, #8b5bff);
  color: #fdfdff;
  box-shadow: 0 12px 35px rgba(76, 126, 255, 0.65);
}

.btn-primary:hover:not(:disabled) {
  transform: translateY(-1px) scale(1.02);
  box-shadow: 0 16px 40px rgba(81, 133, 255, 0.85);
}

.btn-primary:active:not(:disabled) {
  transform: translateY(0) scale(0.99);
  box-shadow: 0 8px 22px rgba(44, 88, 255, 0.7);
}

.btn-secondary {
  background: rgba(26, 37, 86, 0.9);
  color: var(--text-primary);
  border-color: rgba(135, 179, 255, 0.4);
}

.btn-secondary:hover {
  background: rgba(34, 46, 108, 0.98);
}

.btn-outline {
  background: transparent;
  color: var(--accent);
  border-color: rgba(108, 162, 255, 0.7);
}

.btn-outline:hover {
  background: rgba(99, 141, 255, 0.1);
}

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
  border-color: rgba(255, 255, 255, 0.14);
}

.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.04);
}

.btn:disabled {
  opacity: 0.55;
  cursor: not-allowed;
  box-shadow: none;
}

.btn-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.play-icon {
  font-size: 0.9rem;
}

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

.actions-left {
  display: flex;
  gap: 10px;
}

.actions-right {
  display: flex;
  align-items: center;
}

.status-pill {
  padding: 5px 11px;
  border-radius: var(--radius-pill);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-secondary);
  background: radial-gradient(circle at top left, #25305d, #050818);
  border: 1px solid rgba(123, 151, 255, 0.4);
}

.status-pill.processing {
  color: #f5f7ff;
  background: radial-gradient(circle at top left, #f5c158, #8647ff);
  border-color: rgba(249, 217, 132, 0.85);
}

.status-pill.error {
  color: #ffeef4;
  background: radial-gradient(circle at top left, #ff6b8d, #4e1030);
  border-color: rgba(255, 135, 170, 0.9);
}

.log-section {
  max-height: 260px;
  display: flex;
  flex-direction: column;
}

.log-header h2 {
  margin: 0 0 6px;
  font-size: 1rem;
}

.log-container {
  margin-top: 6px;
  padding: 10px 10px;
  border-radius: 12px;
  background: radial-gradient(circle at top left, #151a3b, #040616);
  border: 1px solid rgba(255, 255, 255, 0.08);
  font-family: "SF Mono", "JetBrains Mono", ui-monospace, Menlo, Consolas,
    monospace;
  font-size: 0.78rem;
  color: var(--text-secondary);
  overflow: auto;
}

.log-entry {
  opacity: 0;
  transform: translateY(4px);
  animation: fade-slide-in 220ms ease-out forwards;
  padding: 2px 0;
}

.log-entry.error {
  color: var(--danger);
}

.log-entry strong {
  color: var(--text-primary);
}

.toast-container {
  position: fixed;
  right: 18px;
  top: 18px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  z-index: 999;
}

.toast {
  min-width: 260px;
  max-width: 340px;
  padding: 10px 14px;
  border-radius: 12px;
  font-size: 0.82rem;
  color: var(--text-primary);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.6);
  display: flex;
  align-items: flex-start;
  gap: 8px;
  animation: toast-in 180ms ease-out forwards;
  border: 1px solid rgba(255, 255, 255, 0.18);
}

.toast-error {
  background: linear-gradient(135deg, #3c101f, #a1193f);
}

.toast-success {
  background: linear-gradient(135deg, #123523, #1f8f51);
}

.toast-icon {
  margin-top: 1px;
}

.toast-message {
  flex: 1;
}

.toast-close {
  cursor: pointer;
  opacity: 0.7;
}

.toast-close:hover {
  opacity: 1;
}

.spinner {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  border: 2px solid rgba(255, 255, 255, 0.4);
  border-top-color: #fff;
  animation: spin 540ms linear infinite;
}

.hidden {
  display: none !important;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

@keyframes fade-slide-in {
  from {
    opacity: 0;
    transform: translateY(4px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes toast-in {
  from {
    opacity: 0;
    transform: translateY(-8px) scale(0.98);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@media (max-width: 900px) {
  .app-root {
    padding: 18px 14px 22px;
  }

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

  .io-section {
    grid-template-columns: 1fr;
  }

  .actions {
    flex-direction: column;
    gap: 10px;
    align-items: stretch;
  }

  .actions-left {
    justify-content: flex-start;
  }

  .log-section {
    max-height: 240px;
  }
}