/* === Reset & Base === */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
:root {
  --bg: #0f1117;
  --surface: #1a1d27;
  --surface2: #242836;
  --border: #2e3345;
  --text: #e4e6ef;
  --text-dim: #8b8fa3;
  --accent: #6c8aff;
  --accent-hover: #8aa4ff;
  --danger: #ff6b6b;
  --success: #51cf66;
  --warning: #ffd43b;
  --radius: 8px;
  --radius-lg: 12px;
}

html, body { height: 100%; }
body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
}

/* === Layout === */
.app { display: none; min-height: 100vh; }
.app.active { display: flex; flex-direction: column; }
.login-view { display: none; min-height: 100vh; justify-content: center; align-items: center; }
.login-view.active { display: flex; }

/* === Login === */
.login-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  width: 100%;
  max-width: 380px;
}
.login-card h1 { font-size: 1.5rem; font-weight: 600; margin-bottom: 0.25rem; }
.login-card p { color: var(--text-dim); font-size: 0.875rem; margin-bottom: 1.5rem; }

/* === Inputs / Buttons === */
.form-group { margin-bottom: 1rem; }
.form-group label { display: block; font-size: 0.8rem; color: var(--text-dim); margin-bottom: 0.35rem; font-weight: 500; }
input[type="text"], input[type="password"], input[type="url"], select {
  width: 100%;
  padding: 0.6rem 0.75rem;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-size: 0.9rem;
  outline: none;
  transition: border-color 0.2s;
}
input:focus, select:focus { border-color: var(--accent); }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.6rem 1.2rem;
  border: none;
  border-radius: var(--radius);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s;
}
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-hover); }
.btn-danger { background: var(--danger); color: #fff; }
.btn-danger:hover { opacity: 0.85; }
.btn-ghost { background: transparent; color: var(--text-dim); border: 1px solid var(--border); }
.btn-ghost:hover { border-color: var(--text-dim); color: var(--text); }
.btn-sm { padding: 0.35rem 0.75rem; font-size: 0.8rem; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }
.btn-block { width: 100%; justify-content: center; }

.alert { padding: 0.6rem 0.85rem; border-radius: var(--radius); font-size: 0.85rem; margin-bottom: 1rem; display: none; }
.alert-error { background: rgba(255,107,107,0.12); color: var(--danger); border: 1px solid rgba(255,107,107,0.25); }
.alert-success { background: rgba(81,207,102,0.12); color: var(--success); border: 1px solid rgba(81,207,102,0.25); }
.alert.visible { display: block; }

/* === Header === */
.header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1.5rem;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}
.header h1 { font-size: 1.1rem; font-weight: 600; }
.header-right { display: flex; align-items: center; gap: 0.75rem; }

/* === Tabs === */
.tabs {
  display: flex;
  gap: 0;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 0 1.5rem;
}
.tab {
  padding: 0.75rem 1.25rem;
  font-size: 0.875rem;
  color: var(--text-dim);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  transition: all 0.15s;
  background: none;
  border-top: none;
  border-left: none;
  border-right: none;
}
.tab:hover { color: var(--text); }
.tab.active { color: var(--accent); border-bottom-color: var(--accent); }

/* === Main Content === */
.content { flex: 1; padding: 1.5rem; max-width: 1200px; margin: 0 auto; width: 100%; }
.panel { display: none; }
.panel.active { display: block; }

/* === Credentials === */
.cred-list { display: grid; gap: 0.75rem; margin-top: 1rem; }
.cred-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.cred-info h3 { font-size: 0.95rem; font-weight: 500; }
.cred-info p { font-size: 0.8rem; color: var(--text-dim); }
.cred-actions { display: flex; gap: 0.4rem; }

/* === Credential Form Modal === */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  z-index: 100;
  justify-content: center;
  align-items: center;
}
.modal-overlay.active { display: flex; }
.modal {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  width: 100%;
  max-width: 500px;
  max-height: 90vh;
  overflow-y: auto;
}
.modal h2 { font-size: 1.15rem; margin-bottom: 1rem; }
.modal-footer { display: flex; gap: 0.5rem; justify-content: flex-end; margin-top: 1.25rem; }

/* === Upload Zone === */
.upload-bar {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1rem;
  flex-wrap: wrap;
}
.endpoint-select { width: 280px; }

.drop-zone {
  border: 2px dashed var(--border);
  border-radius: var(--radius-lg);
  padding: 3rem;
  text-align: center;
  cursor: pointer;
  transition: all 0.2s;
  background: var(--surface);
}
.drop-zone:hover, .drop-zone.dragover {
  border-color: var(--accent);
  background: rgba(108,138,255,0.05);
}
.drop-zone h3 { font-size: 1.1rem; margin-bottom: 0.35rem; }
.drop-zone p { color: var(--text-dim); font-size: 0.85rem; }
.drop-zone-buttons { margin-top: 1rem; display: flex; gap: 0.5rem; justify-content: center; }

/* === Directory Input === */
.dir-input-group {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1rem;
}
.dir-input-group label { font-size: 0.85rem; color: var(--text-dim); white-space: nowrap; }
.dir-input-group input { flex: 1; }

/* === Files Browser === */
.files-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.75rem;
  gap: 0.75rem;
}
.files-toolbar-left { display: flex; align-items: center; gap: 0.6rem; }
.files-endpoint-select { width: 320px; }
.files-selection-summary { color: var(--text-dim); font-size: 0.85rem; }

.files-breadcrumb-row {
  margin-bottom: 0.75rem;
  padding: 0.65rem 0.75rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
}
.files-breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.35rem;
}
.crumb-btn {
  border: none;
  background: transparent;
  color: var(--accent);
  cursor: pointer;
  font-size: 0.85rem;
  padding: 0;
}
.crumb-btn:hover { text-decoration: underline; }
.crumb-sep { color: var(--text-dim); font-size: 0.85rem; }

.files-move-bar,
.files-export-bar,
.files-new-folder-bar {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 0.65rem;
  flex-wrap: wrap;
}
.files-move-bar label {
  align-self: center;
  color: var(--text-dim);
  font-size: 0.85rem;
}
.files-export-bar label {
  align-self: center;
  color: var(--text-dim);
  font-size: 0.85rem;
}
.files-move-bar input,
.files-new-folder-bar input {
  min-width: 240px;
  flex: 1;
}
.files-export-bar select {
  min-width: 220px;
}

.files-table { margin-top: 0.75rem; }
.files-table td:first-child,
.files-table th:first-child {
  text-align: center;
}

/* === Queue === */
.queue-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin: 1.5rem 0 0.75rem;
}
.queue-header h2 { font-size: 1rem; font-weight: 600; }
.export-buttons { display: flex; gap: 0.4rem; }
.queue-stats { display: flex; gap: 1rem; font-size: 0.8rem; color: var(--text-dim); }
.queue-stats span { display: flex; align-items: center; gap: 0.3rem; }
.stat-dot { width: 8px; height: 8px; border-radius: 50%; display: inline-block; }
.stat-dot.queued { background: var(--text-dim); }
.stat-dot.uploading { background: var(--accent); }
.stat-dot.done { background: var(--success); }
.stat-dot.failed { background: var(--danger); }

.queue-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
}
.queue-table th {
  text-align: left;
  padding: 0.5rem 0.75rem;
  color: var(--text-dim);
  font-weight: 500;
  border-bottom: 1px solid var(--border);
  font-size: 0.8rem;
}
.queue-table td {
  padding: 0.5rem 0.75rem;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}

/* === Progress Bar === */
.progress-bar {
  width: 100%;
  height: 6px;
  background: var(--bg);
  border-radius: 3px;
  overflow: hidden;
}
.progress-fill {
  height: 100%;
  background: var(--accent);
  border-radius: 3px;
  transition: width 0.3s;
}
.progress-fill.done { background: var(--success); }
.progress-fill.skipped { background: var(--warning); }
.progress-fill.failed { background: var(--danger); }

/* === Status Badges === */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.2rem 0.55rem;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 500;
}
.badge-queued { background: rgba(139,143,163,0.15); color: var(--text-dim); }
.badge-uploading { background: rgba(108,138,255,0.15); color: var(--accent); }
.badge-verifying { background: rgba(255,212,59,0.15); color: var(--warning); }
.badge-done { background: rgba(81,207,102,0.15); color: var(--success); }
.badge-skipped { background: rgba(255,212,59,0.15); color: var(--warning); }
.badge-failed { background: rgba(255,107,107,0.15); color: var(--danger); }

/* === Error Detail === */
.error-detail {
  display: none;
  background: rgba(255,107,107,0.08);
  border: 1px solid rgba(255,107,107,0.2);
  border-radius: var(--radius);
  padding: 0.5rem 0.75rem;
  font-size: 0.8rem;
  color: var(--danger);
  margin-top: 0.25rem;
  word-break: break-all;
}
.error-detail.visible { display: block; }

/* === Results === */
.result-link {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  font-size: 0.8rem;
  color: var(--accent);
  text-decoration: none;
  max-width: 300px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.copy-btn {
  background: none;
  border: none;
  color: var(--text-dim);
  cursor: pointer;
  font-size: 0.85rem;
  padding: 0.15rem;
}
.copy-btn:hover { color: var(--text); }

/* === Scrollbar === */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }

/* === Checkbox toggle === */
.toggle-group { display: flex; align-items: center; gap: 0.5rem; }
.toggle { position: relative; width: 36px; height: 20px; }
.toggle input { opacity: 0; width: 0; height: 0; }
.toggle-slider {
  position: absolute;
  inset: 0;
  background: var(--border);
  border-radius: 10px;
  cursor: pointer;
  transition: 0.2s;
}
.toggle-slider::before {
  content: '';
  position: absolute;
  width: 16px; height: 16px;
  left: 2px; bottom: 2px;
  background: var(--text);
  border-radius: 50%;
  transition: 0.2s;
}
.toggle input:checked + .toggle-slider { background: var(--accent); }
.toggle input:checked + .toggle-slider::before { transform: translateX(16px); }

@media (max-width: 800px) {
  .files-toolbar { flex-direction: column; align-items: flex-start; }
  .files-endpoint-select { width: 100%; }
  .files-move-bar label { width: 100%; }
  .files-export-bar label { width: 100%; }
}