/* Primary Theme (Default - Indigo) */
:root, [data-theme="primary"] {
      --bg: #0f172a;
      --bg-soft: #0b1224;
      --text: #e5e7eb;
      --muted: #94a3b8;
      --card: #0b1224;
      --border: #1f2942;
      --primary: #6366f1;
      --primary-600: #5458ee;
      --primary-glow: rgba(99,102,241,.15);
      --primary-glow-2: rgba(56,189,248,.12);
      --primary-shadow: rgba(79,70,229,.35);
      --success: #22c55e;
      --error: #ef4444;
      --info: #38bdf8;
      --shadow: 0 10px 30px rgba(0,0,0,.25);
    }

/* Pink Theme - Light & Bright */
[data-theme="pink"] {
      --bg: #fdf2f8;
      --bg-soft: #fce7f3;
      --text: #831843;
      --muted: #9d174d;
      --card: #ffffff;
      --border: #fbcfe8;
      --primary: #ec4899;
      --primary-600: #db2777;
      --primary-glow: rgba(236,72,153,.2);
      --primary-glow-2: rgba(244,114,182,.15);
      --primary-shadow: rgba(219,39,119,.3);
      --success: #16a34a;
      --error: #dc2626;
      --info: #db2777;
      --shadow: 0 10px 30px rgba(236,72,153,.15);
    }

    * {
      box-sizing: border-box;
    }

    html, body {
      height: 100%;
    }

    body {
      font-family: ui-sans-serif, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji";
      margin: 0;
      color: var(--text);
      background: radial-gradient(1000px 500px at 20% -10%, var(--primary-glow), transparent 50%),
                  radial-gradient(800px 400px at 110% 0%, var(--primary-glow-2), transparent 40%),
                  var(--bg);
      padding: 0 16px 40px;
    }

    .app-header {
      max-width: 900px;
      margin: 28px auto 16px;
      background: linear-gradient(135deg, var(--primary-glow), var(--primary-glow-2));
      border: 1px solid var(--border);
      border-radius: 16px;
      padding: 16px 18px;
      box-shadow: var(--shadow);
      display: flex;
      align-items: center;
      gap: 12px;
    }

    /* Theme Toggle Switch */
    .theme-toggle-container {
      max-width: 900px;
      margin: 16px auto 0;
      display: flex;
      justify-content: center;
      align-items: center;
      gap: 12px;
    }

    .theme-toggle {
      display: flex;
      align-items: center;
      gap: 10px;
      background: var(--card);
      border: 1px solid var(--border);
      border-radius: 50px;
      padding: 6px 12px;
    }

    .theme-label {
      font-size: 12px;
      font-weight: 600;
      color: var(--muted);
      text-transform: uppercase;
      letter-spacing: 0.5px;
      transition: color 0.3s ease;
    }

    .theme-label.active {
      color: var(--primary);
    }

    .switch {
      position: relative;
      width: 44px;
      height: 24px;
    }

    .switch input {
      opacity: 0;
      width: 0;
      height: 0;
    }

    .slider {
      position: absolute;
      cursor: pointer;
      top: 0;
      left: 0;
      right: 0;
      bottom: 0;
      background: var(--border);
      transition: 0.3s;
      border-radius: 24px;
    }

    .slider:before {
      position: absolute;
      content: "";
      height: 18px;
      width: 18px;
      left: 3px;
      bottom: 3px;
      background: var(--primary);
      transition: 0.3s;
      border-radius: 50%;
      box-shadow: 0 2px 8px var(--primary-shadow);
    }

    input:checked + .slider {
      background: var(--border);
    }

    input:checked + .slider:before {
      transform: translateX(20px);
      background: #ec4899;
      box-shadow: 0 2px 8px rgba(219,39,119,.35);
    }

    .title-wrap {
      display: flex;
      gap: 12px;
      align-items: center;
    }

    .logo {
      width: 48px;
      height: 48px;
      border-radius: 10px;
      display: grid;
      place-items: center;
      background: linear-gradient(135deg, var(--primary), #22c55e);
      color: white;
      box-shadow: 0 6px 20px rgba(99,102,241,.35);
    }

    .title {
      margin: 0;
      font-size: 20px;
      font-weight: 700;
      letter-spacing: .2px;
    }

    .subtitle {
      margin: 0;
      font-size: 13px;
      color: var(--muted);
    }

    .container {
      max-width: 900px;
      margin: 0 auto;
      background: var(--card);
      padding: 12px;
      border-radius: 16px;
      border: 1px solid var(--border);
      box-shadow: var(--shadow);
    }

    form label {
      font-weight: 600;
      font-size: 14px;
      display: block;
    }

    .field {
      margin-top: 14px;
    }

    .hint {
      color: var(--muted);
      font-size: 12px;
      margin-top: 6px;
    }

    textarea, input[type="text"] {
      width: 100%;
      padding: 12px 14px;
      margin-top: 8px;
      border-radius: 12px;
      border: 1px solid var(--border);
      background: linear-gradient(0deg, var(--bg) 0%, var(--card) 100%);
      color: var(--text);
      outline: none;
      transition: border-color .2s ease, box-shadow .2s ease;
    }

    textarea {
      font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
      resize: vertical;
    }

    textarea:focus, input[type="text"]:focus {
      border-color: var(--primary);
      box-shadow: 0 0 0 4px rgba(99,102,241,.25);
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      padding: 12px 16px;
      border-radius: 12px;
      border: 1px solid transparent;
      cursor: pointer;
      font-weight: 600;
      width: 100%;
      transition: transform .05s ease, filter .2s ease, background .2s ease;
    }

    .btn:active {
      transform: translateY(1px);
    }

    .btn-primary {
      background: linear-gradient(135deg, var(--primary), var(--primary-600));
      color: #fff;
      box-shadow: 0 8px 22px rgba(79,70,229,.35);
    }

    .btn-primary:hover {
      filter: brightness(1.05);
    }

    .btn-secondary {
      background: var(--bg);
      color: var(--text);
      border-color: var(--border);
    }

    .btn-secondary:hover {
      background: var(--bg-soft);
    }

    .btn-danger {
      background: linear-gradient(135deg, #ef4444, #dc2626);
      color: #fff;
    }

    .btn-danger:hover {
      filter: brightness(1.05);
    }

    .row {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 12px;
      margin-top: 14px;
    }

    .muted {
      color: var(--muted);
      font-size: 12px;
      margin-top: 6px;
    }

    .message {
      padding: 14px;
      margin-top: 18px;
      background: linear-gradient(0deg, var(--bg) 0%, var(--card) 100%);
      border: 1px solid var(--border);
      border-radius: 12px;
    }

    .status-success {
      color: var(--success);
    }

    .status-error {
      color: var(--error);
    }

    .status-info {
      color: var(--info);
    }

    .pill {
      display: inline-block;
      padding: 4px 8px;
      border-radius: 999px;
      font-size: 12px;
      border: 1px solid var(--border);
    }

    .pill.success {
      background: rgba(34,197,94,.12);
      color: var(--success);
      border-color: rgba(34,197,94,.35);
    }

    .pill.error {
      background: rgba(239,68,68,.12);
      color: var(--error);
      border-color: rgba(239,68,68,.35);
    }

    .pill.info {
      background: rgba(56,189,248,.12);
      color: var(--info);
      border-color: rgba(56,189,248,.35);
    }

    .hidden {
      display: none;
    }

    .spinner {
      width: 16px;
      height: 16px;
      border: 2px solid rgba(255,255,255,.8);
      border-top-color: transparent;
      border-radius: 50%;
      display: inline-block;
      vertical-align: middle;
      animation: spin 0.8s linear infinite;
    }

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

    .flex {
      display: flex;
    }
    
    .items-center {
      align-items: center;
    }
    
    .gap-2 {
      gap: 8px;
    }
    
    .mt-2 {
      margin-top: 8px;
    }
    
    .mt-4 {
      margin-top: 16px;
    }
    
    .inline-flex {
      display: inline-flex;
    }
    
    .justify-center {
      justify-content: center;
    }
    
    .rounded-lg {
      border-radius: 12px;
    }
    
    .border {
      border-width: 1px;
      border-style: solid;
    }
    
    .border-slate-700 {
      border-color: var(--border);
    }
    
    .bg-slate-800 {
      background-color: var(--bg);
    }
    
    .text-slate-100 {
      color: var(--text);
    }
    
    .font-medium {
      font-weight: 500;
    }
    
    .px-3 {
      padding-left: 12px;
      padding-right: 12px;
    }
    
    .py-1 {
      padding-top: 6px;
      padding-bottom: 6px;
    }
    
    .text-sm {
      font-size: 14px;
    }
    
    .text-xs {
      font-size: 12px;
    }
    
    .text-slate-500 {
      color: var(--muted);
    }
    
    .w-full {
      width: 100%;
    }
    
    .bg-indigo-600 {
      background-color: var(--primary);
    }
    
    .hover\:bg-indigo-500:hover {
      background-color: var(--primary-600);
    }
    
    .text-white {
      color: white;
    }
    
    .font-semibold {
      font-weight: 600;
    }
    
    .px-4 {
      padding-left: 16px;
      padding-right: 16px;
    }
    
    .py-3 {
      padding-top: 12px;
      padding-bottom: 12px;
    }
    
    .disabled\:opacity-50:disabled {
      opacity: 0.5;
    }
    
    .disabled\:cursor-not-allowed:disabled {
      cursor: not-allowed;
    }
    
    .px-4 {
      padding-left: 16px;
      padding-right: 16px;
    }
    
    .py-2 {
      padding-top: 8px;
      padding-bottom: 8px;
    }
    
    .bg-red-600 {
      background-color: #ef4444;
    }
    
    .hover\:bg-red-500:hover {
      background-color: #dc2626;
    }
    
    .grid {
      display: grid;
    }
    
    .gap-3 {
      gap: 12px;
    }
    
    .rounded-xl {
      border-radius: 16px;
    }
    
    .border-slate-800 {
      border-color: var(--border);
    }
    
    .bg-slate-900 {
      background-color: var(--bg-soft);
    }
    
    .p-4 {
      padding: 16px;
    }
    
    .flex-1 {
      flex: 1;
    }
    
    .border-slate-300 {
      border-color: var(--border);
    }
    
    .text-slate-900 {
      color: var(--text);
    }
    
    .p-2 {
      padding: 8px;
    }
    
    .bg-red-600 {
      background-color: #ef4444;
    }
    
    .hover\:bg-red-500:hover {
      background-color: #dc2626;
    }
    
    .bg-indigo-600 {
      background-color: var(--primary);
    }
    
    .hover\:bg-indigo-500:hover {
      background-color: var(--primary-600);
    }
    
    .border-t {
      border-top-width: 1px;
      border-top-style: solid;
    }
    
    .pt-3 {
      padding-top: 12px;
    }
    
    .mb-2 {
      margin-bottom: 8px;
    }
    
    .gap-2 {
      gap: 8px;
    }

/* ============================================
   UTILITY CLASSES (replaces inline styles)
   ============================================ */

.flex {
  display: flex;
}

.flex-wrap {
  flex-wrap: wrap;
}

.items-center {
  align-items: center;
}

.justify-between {
  justify-content: space-between;
}

.gap-8 {
  gap: 8px;
}

.gap-2 {
  gap: 2px;
}

.mb-8 {
  margin-bottom: 8px;
}

.mb-20 {
  margin-bottom: 20px;
}

.mt-20 {
  margin-top: 20px;
}

.mt-2 {
  margin-top: 2px;
}

.ml-8 {
  margin-left: 8px;
}

.p-8 {
  padding: 8px;
}

.p-4 {
  padding: 4px 8px;
}

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

.text-xs {
  font-size: 12px;
}

.text-sm {
  font-size: 11px;
}

.text-tiny {
  font-size: 9px;
}

.font-semibold {
  font-weight: 600;
}

.overflow-hidden {
  overflow: hidden;
}

.text-ellipsis {
  text-overflow: ellipsis;
}

.whitespace-nowrap {
  white-space: nowrap;
}

.min-w-0 {
  min-width: 0;
}

.flex-1 {
  flex: 1;
}

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

.rounded-lg {
  border-radius: 6px;
}

.rounded-md {
  border-radius: 8px;
}

.rounded {
  border-radius: 4px;
}

.rounded-full {
  border-radius: 9999px;
}

.border {
  border: 1px solid var(--border);
}

.border-2 {
  border: 2px solid;
}

.bg-card {
  background: var(--bg);
}

.bg-primary-subtle {
  background: linear-gradient(135deg, rgba(99,102,241,.1), rgba(56,189,248,.08));
}

.display-none {
  display: none;
}

.inline-block {
  display: inline-block;
}

.w-40 {
  width: 40px;
}

.h-40 {
  height: 40px;
}

/* Badge variants */
.badge {
  display: inline-block;
  font-size: 12px;
  padding: 2px 8px;
  border-radius: 9999px;
  border: 1px solid;
}

.badge-success {
  border-color: rgb(34 197 94);
  background: rgb(34 197 94 / 0.1);
  color: rgb(34 197 94);
}

.badge-warning {
  border-color: rgb(251 146 60);
  background: rgb(251 146 60 / 0.1);
  color: rgb(251 146 60);
}

.badge-error {
  border-color: rgb(239 68 68);
  background: rgb(239 68 68 / 0.1);
  color: rgb(239 68 68);
}

.badge-info {
  border-color: rgb(148 163 184);
  background: rgb(148 163 184 / 0.1);
  color: rgb(148 163 184);
}