/* ─── Reset & Variables ─── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg-0: #0a0a0c;
  --bg-1: #111116;
  --bg-2: #18181e;
  --bg-3: #222230;
  --border: #2a2a3a;
  --border-bright: #3a3a50;
  --text-0: #e8e8f0;
  --text-1: #a0a0b8;
  --text-2: #6a6a82;

  /* Kling brand — pink accent */
  --accent: #e44d91;
  --accent-dim: #b03870;
  --accent-glow: rgba(228, 77, 145, 0.15);

  --danger: #e04040;
  --danger-dim: rgba(224, 64, 64, 0.12);
  --warning: #e0a020;
  --warning-dim: rgba(224, 160, 32, 0.12);
  --info: #4a9eff;
  --info-dim: rgba(74, 158, 255, 0.10);
  --success: #6ac04a;
  --success-dim: rgba(106, 192, 74, 0.10);

  --mono: 'JetBrains Mono', monospace;
  --sans: 'DM Sans', sans-serif;
  --radius: 4px;
  --radius-lg: 6px;
  --transition: 150ms ease;
}

html { font-size: 14px; }

body {
  font-family: var(--sans);
  background: var(--bg-0);
  color: var(--text-0);
  line-height: 1.5;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

/* ─── Scrollbar ─── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--bg-1); }
::-webkit-scrollbar-thumb { background: var(--bg-3); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--border-bright); }

/* ─── Noise overlay ─── */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 9999;
  opacity: 0.025;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-size: 256px 256px;
}

/* ─── Container ─── */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ─── Header ─── */
header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 24px;
  background: var(--bg-1);
  border-bottom: 1px solid var(--border);
  animation: slideDown 0.4s ease;
}

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

.logo-icon {
  width: 28px;
  height: 28px;
  background: var(--accent);
  border-radius: 3px;
  display: grid;
  place-items: center;
  position: relative;
  overflow: hidden;
  flex-shrink: 0;
}

.logo-icon::after {
  content: '';
  position: absolute;
  width: 14px;
  height: 14px;
  border: 2.5px solid var(--bg-0);
  border-radius: 50%;
  clip-path: polygon(50% 0, 100% 50%, 50% 100%, 0 50%);
}

header h1 {
  font-family: var(--mono);
  font-weight: 600;
  font-size: 13px;
  letter-spacing: 0.5px;
  color: var(--text-0);
  text-transform: uppercase;
}

header h1 span {
  color: var(--accent);
}

header .header-right {
  margin-left: auto;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--text-2);
  letter-spacing: 0.3px;
  display: flex;
  align-items: center;
  gap: 12px;
}

/* ─── Auth / Settings Bar ─── */
.settings-bar {
  background: var(--bg-1);
  border-bottom: 1px solid var(--border);
  padding: 10px 24px;
}

.settings-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  flex-wrap: wrap;
}

.auth-label {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--text-2);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.auth-user {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--accent);
}

.project-picker {
  display: flex;
  align-items: center;
  gap: 10px;
}

.project-select {
  font-family: var(--mono);
  font-size: 12px;
  background: var(--bg-0);
  color: var(--text-0);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 6px 10px;
  min-width: 180px;
  transition: border-color var(--transition);
}

.project-select:hover { border-color: var(--border-bright); }
.project-select:focus { outline: none; border-color: var(--accent); }

.btn-new-project {
  font-size: 11px;
  padding: 6px 10px;
  letter-spacing: 0.5px;
}

.asset-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 8px 0 4px;
}

.asset-chip {
  font-family: var(--mono);
  font-size: 10px;
  background: var(--bg-0);
  color: var(--text-1);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 3px 8px;
  cursor: pointer;
  transition: all var(--transition);
}

.asset-chip:hover { border-color: var(--accent); color: var(--accent); }
.asset-chip.copied { border-color: var(--success); color: var(--success); }

.asset-chips-label {
  font-family: var(--mono);
  font-size: 10px;
  color: var(--text-2);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-top: 10px;
}

/* ─── Tabs ─── */
.tabs {
  display: flex;
  gap: 0;
  border-bottom: 1px solid var(--border);
  background: var(--bg-1);
  padding: 0 24px;
  flex-wrap: wrap;
}

.tab {
  padding: 12px 18px;
  background: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  cursor: pointer;
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--text-2);
  transition: all var(--transition);
  margin-bottom: -1px;
}

.tab:hover {
  color: var(--text-1);
  background: var(--bg-2);
}

.tab.active {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

.tab-content {
  display: none;
  animation: fadeIn 0.35s ease;
}

.tab-content.active {
  display: block;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ─── Card ─── */
.card {
  background: var(--bg-1);
  padding: 28px 24px;
  border-bottom: 1px solid var(--border);
}

.card h2 {
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-0);
  margin-bottom: 4px;
}

.subtitle {
  font-family: var(--sans);
  font-size: 13px;
  color: var(--text-2);
  margin-bottom: 20px;
}

/* ─── Alerts ─── */
.alert {
  padding: 12px 16px;
  border-radius: var(--radius-lg);
  margin-bottom: 20px;
  font-family: var(--mono);
  font-size: 12px;
  line-height: 1.6;
  border: 1px solid;
  display: flex;
  align-items: center;
  gap: 10px;
}

.alert.hidden { display: none; }

.alert small {
  margin-left: auto;
  opacity: 0.7;
  font-size: 11px;
}

.alert.info {
  background: var(--info-dim);
  border-color: rgba(74, 158, 255, 0.25);
  color: #7ab8ff;
}

.alert.success {
  background: var(--success-dim);
  border-color: rgba(106, 192, 74, 0.25);
  color: var(--success);
}

.alert.error {
  background: var(--danger-dim);
  border-color: rgba(224, 64, 64, 0.25);
  color: #ff7070;
}

.alert.warning {
  background: var(--warning-dim);
  border-color: rgba(224, 160, 32, 0.25);
  color: #f0b840;
}

/* ─── Form Controls ─── */
.form-body {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-top: 20px;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.field label {
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 500;
  color: var(--text-2);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

input[type="text"],
input[type="number"],
textarea,
select {
  font-family: var(--mono);
  font-size: 12px;
  padding: 8px 10px;
  background: var(--bg-0);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-0);
  outline: none;
  transition: border-color var(--transition);
  width: 100%;
}

textarea {
  resize: vertical;
  min-height: 72px;
  font-family: var(--sans);
  font-size: 13px;
  line-height: 1.5;
}

input:focus, textarea:focus, select:focus {
  border-color: var(--accent-dim);
}

input::placeholder,
textarea::placeholder {
  color: var(--text-2);
}

select {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg width='10' height='6' viewBox='0 0 10 6' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1L5 5L9 1' stroke='%236a6a82' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 10px center;
  padding-right: 28px;
}

.row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

/* ─── Advanced Section Toggle ─── */
.advanced-toggle {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 6px 0;
  cursor: pointer;
  user-select: none;
  border: none;
  background: none;
  width: 100%;
}

.advanced-toggle .line {
  flex: 1;
  height: 1px;
  background: var(--border);
}

.advanced-toggle .label {
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-2);
  display: flex;
  align-items: center;
  gap: 6px;
  transition: color var(--transition);
}

.advanced-toggle:hover .label {
  color: var(--text-1);
}

.advanced-toggle .chevron {
  display: inline-block;
  transition: transform 0.25s ease;
  font-size: 9px;
}

.advanced-toggle.open .chevron {
  transform: rotate(90deg);
}

.advanced-section {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.3s ease;
}

.advanced-section.open {
  grid-template-rows: 1fr;
}

.advanced-inner {
  overflow: hidden;
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding-top: 4px;
}

/* ─── Buttons ─── */
.btn {
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 6px 14px;
  background: var(--bg-3);
  color: var(--text-1);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  cursor: pointer;
  transition: all var(--transition);
}

.btn:hover {
  background: var(--border-bright);
  color: var(--text-0);
}

.btn-accent {
  background: var(--accent);
  color: var(--bg-0);
  border-color: var(--accent);
}

.btn-accent:hover {
  background: #f06ba8;
  color: var(--bg-0);
  box-shadow: 0 0 12px var(--accent-glow);
}

.btn-submit {
  width: 100%;
  padding: 11px 20px;
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--bg-0);
  background: var(--accent);
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
  margin-top: 6px;
}

.btn-submit:hover:not(:disabled) {
  background: #f06ba8;
  box-shadow: 0 0 20px var(--accent-glow);
}

.btn-submit:active:not(:disabled) {
  transform: scale(0.985);
}

.btn-submit:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.btn-submit.loading {
  color: transparent;
}

.btn-submit.loading::after {
  content: '';
  position: absolute;
  inset: 0;
  margin: auto;
  width: 18px;
  height: 18px;
  border: 2px solid transparent;
  border-top-color: var(--bg-0);
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

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

/* ─── Spinner ─── */
.spinner {
  display: inline-block;
  width: 12px;
  height: 12px;
  border: 1.5px solid transparent;
  border-top-color: currentColor;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  flex-shrink: 0;
}

/* ─── Result / Job Card ─── */
.result-area {
  margin-top: 20px;
}

.job-card {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  animation: fadeSlideUp 0.4s ease;
}

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

.job-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  background: var(--bg-1);
  border-bottom: 1px solid var(--border);
}

.job-id {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--text-1);
}

.job-id code {
  color: var(--text-0);
  background: var(--bg-3);
  padding: 2px 6px;
  border-radius: 3px;
  font-size: 11px;
  margin-left: 4px;
}

.job-status {
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  padding: 3px 10px;
  border-radius: 3px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.job-status.processing,
.job-status.pending,
.job-status.started {
  color: var(--warning);
  background: var(--warning-dim);
  border: 1px solid rgba(224, 160, 32, 0.25);
}

.job-status.completed,
.job-status.done {
  color: var(--success);
  background: var(--success-dim);
  border: 1px solid rgba(106, 192, 74, 0.25);
}

.job-status.failed,
.job-status.error {
  color: var(--danger);
  background: var(--danger-dim);
  border: 1px solid rgba(224, 64, 64, 0.25);
}

.job-card-body {
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.job-video {
  width: 100%;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: #050506;
  display: block;
}

.job-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.job-error {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--danger);
  background: var(--danger-dim);
  border: 1px solid rgba(224, 64, 64, 0.15);
  border-radius: var(--radius);
  padding: 10px 12px;
  word-break: break-word;
}

.job-details {
  border-top: 1px solid var(--border);
  padding-top: 12px;
}

.job-details summary {
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 500;
  color: var(--text-2);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  cursor: pointer;
  user-select: none;
  padding: 4px 0;
  transition: color var(--transition);
}

.job-details summary:hover {
  color: var(--text-1);
}

.job-details pre {
  margin-top: 10px;
  font-family: var(--mono);
  font-size: 11px;
  line-height: 1.55;
  color: var(--text-1);
  background: var(--bg-0);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 10px 12px;
  overflow-x: auto;
  max-height: 280px;
  overflow-y: auto;
  white-space: pre-wrap;
  word-break: break-word;
}

/* ─── Responsive ─── */
@media (max-width: 800px) {
  header {
    padding: 12px 16px;
    flex-wrap: wrap;
  }

  header .header-right {
    margin-left: 0;
    flex-basis: 100%;
    margin-top: 4px;
    justify-content: flex-start;
  }

  .settings-bar {
    padding: 10px 16px;
  }

  .settings-row {
    flex-direction: column;
    align-items: flex-start;
  }

  .tabs {
    padding: 0 16px;
    overflow-x: auto;
    flex-wrap: nowrap;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }

  .tabs::-webkit-scrollbar { display: none; }

  .tab {
    white-space: nowrap;
    flex-shrink: 0;
  }

  .card {
    padding: 20px 16px;
  }

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