/* ============================================================
   Upload Erweiterung KpDB — Frontend Styles
   ============================================================ */

:root {
  --kpdb-primary:      #2563eb;
  --kpdb-primary-dark: #1d4ed8;
  --kpdb-primary-light:#dbeafe;
  --kpdb-success:      #16a34a;
  --kpdb-success-bg:   #dcfce7;
  --kpdb-error:        #dc2626;
  --kpdb-error-bg:     #fee2e2;
  --kpdb-warning:      #d97706;
  --kpdb-warning-bg:   #fef3c7;
  --kpdb-gray-50:      #f9fafb;
  --kpdb-gray-100:     #f3f4f6;
  --kpdb-gray-200:     #e5e7eb;
  --kpdb-gray-300:     #d1d5db;
  --kpdb-gray-400:     #9ca3af;
  --kpdb-gray-500:     #6b7280;
  --kpdb-gray-600:     #4b5563;
  --kpdb-gray-700:     #374151;
  --kpdb-gray-800:     #1f2937;
  --kpdb-radius:       12px;
  --kpdb-shadow:       0 4px 24px rgba(0,0,0,.08);
  --kpdb-transition:   .2s ease;
}

/* ── Wrapper ──────────────────────────────────────────────── */
.kpdb-uploader {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  max-width: 780px;
  margin: 2rem auto;
  background: #fff;
  border: 1px solid var(--kpdb-gray-200);
  border-radius: var(--kpdb-radius);
  box-shadow: var(--kpdb-shadow);
  overflow: hidden;
}

/* ── Header ───────────────────────────────────────────────── */
.kpdb-uploader-header {
  background: linear-gradient(135deg, var(--kpdb-primary) 0%, #1e40af 100%);
  padding: 1.5rem 2rem;
  color: #fff;
}
.kpdb-uploader-title {
  margin: 0 0 .4rem;
  font-size: 1.3rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: .5rem;
}
.kpdb-icon-upload {
  width: 1.4rem;
  height: 1.4rem;
  flex-shrink: 0;
}
.kpdb-uploader-subtitle {
  margin: 0;
  font-size: .85rem;
  opacity: .85;
}

/* ── Drag-&-Drop-Zone ─────────────────────────────────────── */
.kpdb-dropzone {
  margin: 1.5rem 2rem;
  border: 2.5px dashed var(--kpdb-gray-300);
  border-radius: 10px;
  background: var(--kpdb-gray-50);
  transition: border-color var(--kpdb-transition), background var(--kpdb-transition);
  cursor: pointer;
}
.kpdb-dropzone:hover,
.kpdb-dropzone.kpdb-drag-over {
  border-color: var(--kpdb-primary);
  background: var(--kpdb-primary-light);
}
.kpdb-dropzone-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 2.5rem 1rem;
  text-align: center;
}
.kpdb-drop-icon {
  width: 56px;
  height: 56px;
  color: var(--kpdb-primary);
  margin-bottom: 1rem;
  transition: transform var(--kpdb-transition);
}
.kpdb-dropzone.kpdb-drag-over .kpdb-drop-icon {
  transform: translateY(-6px) scale(1.1);
}
.kpdb-drop-text {
  margin: 0 0 .75rem;
  font-size: 1rem;
  color: var(--kpdb-gray-600);
  font-weight: 500;
}
.kpdb-browse-btn {
  display: inline-block;
  background: var(--kpdb-primary);
  color: #fff;
  padding: .55rem 1.4rem;
  border-radius: 8px;
  font-size: .9rem;
  font-weight: 600;
  cursor: pointer;
  transition: background var(--kpdb-transition), transform var(--kpdb-transition);
  user-select: none;
}
.kpdb-browse-btn:hover {
  background: var(--kpdb-primary-dark);
  transform: translateY(-1px);
}
.kpdb-hidden-input {
  display: none;
}
.kpdb-drop-hint {
  margin: .75rem 0 0;
  font-size: .78rem;
  color: var(--kpdb-gray-400);
}

/* ── Datei-Warteschlange ──────────────────────────────────── */
.kpdb-queue {
  margin: 0 2rem 1rem;
}
.kpdb-queue-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: .6rem;
  font-size: .85rem;
  color: var(--kpdb-gray-600);
  font-weight: 600;
}
.kpdb-clear-btn {
  background: none;
  border: none;
  color: var(--kpdb-error);
  font-size: .8rem;
  cursor: pointer;
  padding: .2rem .5rem;
  border-radius: 4px;
  transition: background var(--kpdb-transition);
}
.kpdb-clear-btn:hover {
  background: var(--kpdb-error-bg);
}
.kpdb-file-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: .5rem;
  max-height: 320px;
  overflow-y: auto;
}
.kpdb-file-item {
  display: grid;
  grid-template-columns: auto 1fr auto auto;
  align-items: center;
  gap: .75rem;
  padding: .7rem 1rem;
  background: var(--kpdb-gray-50);
  border: 1px solid var(--kpdb-gray-200);
  border-radius: 8px;
  transition: border-color var(--kpdb-transition);
}
.kpdb-file-item.kpdb-uploading { border-color: var(--kpdb-primary); }
.kpdb-file-item.kpdb-done      { border-color: var(--kpdb-success); background: var(--kpdb-success-bg); }
.kpdb-file-item.kpdb-error     { border-color: var(--kpdb-error);   background: var(--kpdb-error-bg); }

.kpdb-file-icon {
  width: 36px;
  height: 36px;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: .7rem;
  font-weight: 700;
  text-transform: uppercase;
  color: #fff;
  flex-shrink: 0;
  background: var(--kpdb-gray-400);
}
.kpdb-file-icon.ext-pdf  { background: #ef4444; }
.kpdb-file-icon.ext-jpg,
.kpdb-file-icon.ext-jpeg,
.kpdb-file-icon.ext-png,
.kpdb-file-icon.ext-gif,
.kpdb-file-icon.ext-webp { background: #8b5cf6; }
.kpdb-file-icon.ext-zip,
.kpdb-file-icon.ext-rar,
.kpdb-file-icon.ext-7z   { background: #f59e0b; }
.kpdb-file-icon.ext-mp4,
.kpdb-file-icon.ext-mkv,
.kpdb-file-icon.ext-avi,
.kpdb-file-icon.ext-mov  { background: #ec4899; }
.kpdb-file-icon.ext-mp3,
.kpdb-file-icon.ext-wav,
.kpdb-file-icon.ext-flac { background: #06b6d4; }
.kpdb-file-icon.ext-docx,
.kpdb-file-icon.ext-doc  { background: #2563eb; }
.kpdb-file-icon.ext-xlsx,
.kpdb-file-icon.ext-xls  { background: #16a34a; }
.kpdb-file-icon.ext-pptx,
.kpdb-file-icon.ext-ppt  { background: #ea580c; }

.kpdb-file-info {
  min-width: 0;
}
.kpdb-file-name {
  font-size: .88rem;
  font-weight: 600;
  color: var(--kpdb-gray-800);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.kpdb-file-meta {
  font-size: .75rem;
  color: var(--kpdb-gray-500);
  margin-top: .15rem;
}
.kpdb-file-progress-wrap {
  margin-top: .35rem;
}
.kpdb-file-bar-track {
  height: 5px;
  background: var(--kpdb-gray-200);
  border-radius: 99px;
  overflow: hidden;
}
.kpdb-file-bar {
  height: 100%;
  background: var(--kpdb-primary);
  border-radius: 99px;
  transition: width .15s linear;
}
.kpdb-file-pct {
  font-size: .72rem;
  color: var(--kpdb-gray-500);
  margin-top: .15rem;
}

.kpdb-file-status {
  font-size: .78rem;
  font-weight: 600;
  white-space: nowrap;
}
.kpdb-file-status.pending   { color: var(--kpdb-gray-400); }
.kpdb-file-status.uploading { color: var(--kpdb-primary); }
.kpdb-file-status.done      { color: var(--kpdb-success); }
.kpdb-file-status.error     { color: var(--kpdb-error); }

.kpdb-file-remove {
  background: none;
  border: none;
  color: var(--kpdb-gray-400);
  cursor: pointer;
  padding: .2rem;
  border-radius: 4px;
  line-height: 1;
  transition: color var(--kpdb-transition), background var(--kpdb-transition);
  font-size: 1.1rem;
}
.kpdb-file-remove:hover {
  color: var(--kpdb-error);
  background: var(--kpdb-error-bg);
}

/* ── Gesamt-Fortschritt & Steuerung ───────────────────────── */
.kpdb-controls {
  margin: 0 2rem 1.5rem;
}
.kpdb-overall-progress {
  margin-bottom: 1rem;
}
.kpdb-progress-label {
  display: flex;
  justify-content: space-between;
  font-size: .82rem;
  font-weight: 600;
  color: var(--kpdb-gray-600);
  margin-bottom: .4rem;
}
.kpdb-progress-bar-wrap {
  height: 10px;
  background: var(--kpdb-gray-200);
  border-radius: 99px;
  overflow: hidden;
}
.kpdb-progress-bar {
  height: 100%;
  background: linear-gradient(90deg, var(--kpdb-primary), #60a5fa);
  border-radius: 99px;
  transition: width .2s linear;
}
.kpdb-progress-stats {
  font-size: .78rem;
  color: var(--kpdb-gray-400);
  margin-top: .3rem;
  text-align: right;
}
.kpdb-btn-row {
  display: flex;
  gap: .75rem;
  flex-wrap: wrap;
}
.kpdb-upload-btn {
  display: inline-flex;
  align-items: center;
  gap: .45rem;
  background: var(--kpdb-primary);
  color: #fff;
  border: none;
  padding: .65rem 1.6rem;
  border-radius: 8px;
  font-size: .92rem;
  font-weight: 700;
  cursor: pointer;
  transition: background var(--kpdb-transition), transform var(--kpdb-transition);
}
.kpdb-upload-btn:hover:not(:disabled) {
  background: var(--kpdb-primary-dark);
  transform: translateY(-1px);
}
.kpdb-upload-btn:disabled {
  opacity: .6;
  cursor: not-allowed;
}
.kpdb-btn-icon {
  width: 1rem;
  height: 1rem;
}
.kpdb-cancel-btn {
  background: none;
  border: 2px solid var(--kpdb-error);
  color: var(--kpdb-error);
  padding: .6rem 1.4rem;
  border-radius: 8px;
  font-size: .9rem;
  font-weight: 600;
  cursor: pointer;
  transition: background var(--kpdb-transition);
}
.kpdb-cancel-btn:hover {
  background: var(--kpdb-error-bg);
}

/* ── Ergebnis-Bereich ─────────────────────────────────────── */
.kpdb-results {
  margin: 0 2rem 1.5rem;
  padding: 1.25rem;
  background: var(--kpdb-success-bg);
  border: 1px solid #86efac;
  border-radius: 10px;
}
.kpdb-results-title {
  margin: 0 0 .75rem;
  font-size: 1rem;
  font-weight: 700;
  color: var(--kpdb-success);
}
.kpdb-results-list {
  list-style: none;
  margin: 0 0 1rem;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: .4rem;
}
.kpdb-result-item {
  display: flex;
  align-items: center;
  gap: .5rem;
  font-size: .85rem;
  color: var(--kpdb-gray-700);
}
.kpdb-result-item a {
  color: var(--kpdb-primary);
  text-decoration: none;
  font-weight: 600;
}
.kpdb-result-item a:hover {
  text-decoration: underline;
}
.kpdb-new-upload-btn {
  background: var(--kpdb-success);
  color: #fff;
  border: none;
  padding: .55rem 1.3rem;
  border-radius: 8px;
  font-size: .88rem;
  font-weight: 600;
  cursor: pointer;
  transition: background var(--kpdb-transition);
}
.kpdb-new-upload-btn:hover {
  background: #15803d;
}

/* ── Meldungen ────────────────────────────────────────────── */
.kpdb-messages {
  margin: 0 2rem 1.5rem;
}
.kpdb-msg {
  padding: .75rem 1rem;
  border-radius: 8px;
  font-size: .87rem;
  font-weight: 500;
  margin-bottom: .5rem;
  display: flex;
  align-items: flex-start;
  gap: .5rem;
}
.kpdb-msg-success { background: var(--kpdb-success-bg); color: var(--kpdb-success); border: 1px solid #86efac; }
.kpdb-msg-error   { background: var(--kpdb-error-bg);   color: var(--kpdb-error);   border: 1px solid #fca5a5; }
.kpdb-msg-warning { background: var(--kpdb-warning-bg); color: var(--kpdb-warning); border: 1px solid #fcd34d; }
.kpdb-msg-info    { background: var(--kpdb-primary-light); color: var(--kpdb-primary); border: 1px solid #93c5fd; }

/* ── Login-Hinweis ────────────────────────────────────────── */
.kpdb-login-notice {
  padding: 1.5rem;
  background: var(--kpdb-primary-light);
  border: 1px solid #93c5fd;
  border-radius: var(--kpdb-radius);
  text-align: center;
  color: var(--kpdb-primary);
  font-weight: 500;
}
.kpdb-login-notice a {
  color: var(--kpdb-primary-dark);
  font-weight: 700;
}

/* ── Responsive ───────────────────────────────────────────── */
@media (max-width: 600px) {
  .kpdb-uploader-header,
  .kpdb-dropzone,
  .kpdb-queue,
  .kpdb-controls,
  .kpdb-results,
  .kpdb-messages { margin-left: 1rem; margin-right: 1rem; }
  .kpdb-file-item { grid-template-columns: auto 1fr auto; }
  .kpdb-file-status { display: none; }
}