:root {
  --color-background: #111111;
  --color-surface: #1a1a1a;
  --color-surface-hover: #222222;
  --color-border: #2a2a2a;
  --color-text-primary: #e5e5e5;
  --color-text-secondary: #888888;
  --color-accent: #6366f1;
  --color-accent-hover: #818cf8;
  --color-accent-muted: #4f46e5;

  --color-success: #4ade80;
  --color-warning: #facc15;
  --color-danger: #f87171;

  --color-success-bg: #16a34a;
  --color-danger-bg:  #dc2626;

  --font-heading: "Space Grotesk", -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;

  --radius: 6px;
  --radius-lg: 8px;
}

* { box-sizing: border-box; }

[hidden] { display: none !important; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--color-background);
  color: var(--color-text-primary);
  font-family: var(--font-mono);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

body {
  min-height: 100dvh;
  padding: env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left);
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  line-height: 1.2;
  margin: 0;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

/* Lucide icons render as inline SVG; size + align them consistently */
[data-lucide] {
  width: 16px;
  height: 16px;
  stroke-width: 2;
  flex-shrink: 0;
}

.view {
  max-width: 720px;
  margin: 0 auto;
  padding: 16px;
}

/* ---------- Login ---------- */

.view-login {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100dvh;
}

.login-card {
  width: 100%;
  max-width: 360px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  text-align: center;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-heading);
  font-size: 24px;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.brand-icon {
  color: var(--color-accent);
  width: 22px;
  height: 22px;
}

.brand-name {
  color: var(--color-text-primary);
}

.brand-subtitle {
  margin: 4px 0 0;
  color: var(--color-text-secondary);
  font-size: 13px;
  font-family: var(--font-mono);
}

.brand-rule {
  width: 48px;
  height: 2px;
  background: var(--color-accent);
  margin: 20px auto 24px;
}

#login-form {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

/* ---------- App layout ---------- */

.app-header {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 4px;
  margin: 0 -16px 16px;
  padding-left: 16px;
  padding-right: 16px;
  background: rgba(17, 17, 17, 0.8);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-border);
}

.app-brand {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 18px;
}

.app-brand-icon {
  color: var(--color-accent);
  width: 20px;
  height: 20px;
}

.app-brand-title {
  color: var(--color-text-primary);
  letter-spacing: -0.01em;
}

.submitter-picker {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--color-text-secondary);
}

.submitter-picker select {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--color-text-primary);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 6px 28px 6px 10px;
  appearance: none;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23888888' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'><polyline points='6 9 12 15 18 9'/></svg>");
  background-repeat: no-repeat;
  background-position: right 8px center;
  background-size: 14px;
  cursor: pointer;
}

.submitter-picker select:focus {
  outline: none;
  border-color: var(--color-accent);
}

/* ---------- Tabs ---------- */

.tabs {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  margin-bottom: 24px;
  overflow: hidden;
}

.tablist {
  display: flex;
  border-bottom: 1px solid var(--color-border);
}

.tab {
  flex: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 16px;
  font-family: var(--font-heading);
  font-size: 14px;
  font-weight: 500;
  background: transparent;
  border: 0;
  border-bottom: 2px solid transparent;
  color: var(--color-text-secondary);
  cursor: pointer;
  transition: color 0.15s, border-color 0.15s, background 0.15s;
}

.tab:hover {
  color: var(--color-text-primary);
}

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

.tabpanel {
  padding: 16px;
}

/* ---------- Forms & inputs ---------- */

input[type="text"],
input[type="search"],
input[type="url"],
input[type="password"] {
  width: 100%;
  font-family: var(--font-mono);
  font-size: 16px; /* ≥ 16px so iOS doesn't zoom on focus */
  color: var(--color-text-primary);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 12px 14px;
  outline: none;
  transition: border-color 0.15s;
}

input::placeholder {
  color: var(--color-text-secondary);
  opacity: 0.6;
}

input[type="text"]:focus,
input[type="search"]:focus,
input[type="url"]:focus,
input[type="password"]:focus {
  border-color: var(--color-accent);
}

#link-form {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  font-family: var(--font-heading);
  font-size: 14px;
  font-weight: 500;
  padding: 10px 16px;
  border: 0;
  border-radius: var(--radius);
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
}

.btn-primary {
  background: var(--color-accent);
  color: #ffffff;
}

.btn-primary:hover {
  background: var(--color-accent-hover);
}

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

.btn-icon {
  background: transparent;
  color: var(--color-text-secondary);
  width: 32px;
  height: 32px;
  padding: 0;
  border-radius: var(--radius);
}

.btn-icon:hover {
  background: var(--color-surface-hover);
  color: var(--color-text-primary);
}

.btn-icon [data-lucide] {
  width: 16px;
  height: 16px;
}

.error-msg {
  margin: 0;
  color: var(--color-danger);
  font-size: 13px;
  font-family: var(--font-mono);
}

.hint {
  margin: 12px 0 0;
  color: var(--color-text-secondary);
  font-size: 13px;
  text-align: center;
  font-family: var(--font-mono);
}

/* ---------- Search results ---------- */

.search-results {
  list-style: none;
  padding: 0;
  margin: 12px 0 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.search-result {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px;
  border-radius: var(--radius);
  background: var(--color-surface-hover);
  border: 1px solid var(--color-border);
}

.search-art {
  width: 48px;
  height: 48px;
  border-radius: 4px;
  background: var(--color-border);
  object-fit: cover;
  flex-shrink: 0;
}

.search-meta {
  flex: 1;
  min-width: 0;
}

.search-title {
  font-weight: 500;
  color: var(--color-text-primary);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.search-artist {
  font-size: 13px;
  color: var(--color-text-secondary);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.search-add {
  flex-shrink: 0;
  padding: 8px 12px;
}

/* ---------- Queue ---------- */

.queue-section {
  margin-top: 8px;
}

.section-heading {
  margin: 0 4px 12px;
}

.section-title {
  font-family: var(--font-heading);
  font-size: 18px;
  font-weight: 700;
  color: var(--color-text-primary);
  margin: 0 0 8px;
}

.section-rule {
  width: 48px;
  height: 2px;
  background: var(--color-accent);
}

.queue-list {
  list-style: none;
  padding: 0;
  margin: 0;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.queue-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  border-bottom: 1px solid var(--color-border);
}

.queue-item:last-child {
  border-bottom: 0;
}

.queue-status {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  flex-shrink: 0;
  color: var(--color-text-secondary);
}

.queue-status [data-lucide] {
  width: 18px;
  height: 18px;
}

.queue-item[data-status="queued"]     .queue-status { color: var(--color-text-secondary); }
.queue-item[data-status="processing"] .queue-status { color: var(--color-accent); }
.queue-item[data-status="done"]       .queue-status { color: var(--color-success); }
.queue-item[data-status="duplicate"]  .queue-status { color: var(--color-warning); }
.queue-item[data-status="failed"]     .queue-status { color: var(--color-danger); }
.queue-item[data-status="cancelled"]  .queue-status { color: var(--color-text-secondary); }

/* slow spin for the in-progress loader */
.queue-item[data-status="processing"] .queue-status [data-lucide] {
  animation: lt-spin 1.6s linear infinite;
}

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

.queue-meta {
  flex: 1;
  min-width: 0;
}

.queue-title {
  font-weight: 500;
  color: var(--color-text-primary);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.queue-sub {
  display: flex;
  gap: 8px;
  font-size: 13px;
  color: var(--color-text-secondary);
  margin-top: 2px;
}

.queue-submitter {
  font-family: var(--font-heading);
  font-weight: 500;
  color: var(--color-text-primary);
}

.queue-error {
  margin-top: 6px;
  font-size: 13px;
  color: var(--color-danger);
}

.queue-cancel {
  flex-shrink: 0;
}

/* ---------- Toast ---------- */

.toast {
  display: block;
  padding: 12px 16px;
  margin-bottom: 16px;
  border-radius: var(--radius);
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 500;
  background: var(--color-success-bg);
  color: #ffffff;
  animation: lt-toast-in 0.18s ease-out;
}

.toast[data-variant="error"] {
  background: var(--color-danger-bg);
}

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