:root {
  --bg:        #0d0d10;
  --surface:   #13131a;
  --border:    #1e1e2e;
  --border-hi: #2e2e42;
  --purple:    #a855f7;
  --purple-dim: #7c3aed;
  --purple-glow: rgba(168, 85, 247, 0.15);
  --text:      #e2e2e8;
  --text-dim:  #6b6b80;
  --text-muted:#3d3d52;
  --green:     #4ade80;
  --red:       #f87171;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: 'JetBrains Mono', monospace;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 24px;
  position: relative;
  overflow-x: hidden;
}

/* Subtle grid texture */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(var(--border) 1px, transparent 1px),
    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 40px 40px;
  opacity: 0.3;
  pointer-events: none;
  z-index: 0;
}

/* Purple ambient glow */
body::after {
  content: '';
  position: fixed;
  top: -20%;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 300px;
  background: radial-gradient(ellipse, rgba(168, 85, 247, 0.08) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

.container {
  width: 100%;
  max-width: 680px;
  position: relative;
  z-index: 1;
}

/* Header */
.header {
  margin-bottom: 32px;
}

.header-prompt {
  font-size: 0.7rem;
  color: var(--text-muted);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 6px;
}

.header h1 {
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--text);
  letter-spacing: -0.02em;
}

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

.header-sub {
  font-size: 0.75rem;
  color: var(--text-dim);
  margin-top: 6px;
}

/* Card */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  overflow: hidden;
}

.card-titlebar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  border-bottom: 1px solid var(--border);
  background: rgba(255,255,255,0.02);
}

.dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

.dot-red   { background: #ff5f57; }
.dot-amber { background: #febc2e; }
.dot-green { background: #28c840; }

.card-title {
  font-size: 0.7rem;
  color: var(--text-muted);
  margin-left: 4px;
  letter-spacing: 0.04em;
}

.card-body {
  padding: 24px;
}

/* Drop zone */
.drop-zone {
  border: 1px dashed var(--border-hi);
  border-radius: 4px;
  padding: 32px 20px;
  text-align: center;
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
  position: relative;
  background: rgba(255,255,255,0.01);
}

.drop-zone:hover,
.drop-zone.dragover {
  border-color: var(--purple);
  background: var(--purple-glow);
}

.drop-zone input[type="file"] {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
  width: 100%;
  height: 100%;
}

.drop-icon {
  font-size: 1.5rem;
  margin-bottom: 10px;
  opacity: 0.4;
}

.drop-primary {
  font-size: 0.8rem;
  color: var(--text);
  margin-bottom: 4px;
}

.drop-secondary {
  font-size: 0.7rem;
  color: var(--text-dim);
}

.drop-secondary span {
  color: var(--purple);
}

.file-selected {
  display: none;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  background: rgba(168, 85, 247, 0.08);
  border: 1px solid rgba(168, 85, 247, 0.25);
  border-radius: 4px;
  margin-top: 12px;
}

.file-selected.visible { display: flex; }

.file-icon {
  font-size: 0.85rem;
  color: var(--purple);
}

.file-name {
  font-size: 0.75rem;
  color: var(--text);
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.file-size {
  font-size: 0.7rem;
  color: var(--text-dim);
  flex-shrink: 0;
}

/* Button */
.btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  margin-top: 16px;
  padding: 11px 20px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.8rem;
  font-weight: 500;
  color: #fff;
  background: var(--purple-dim);
  border: 1px solid var(--purple);
  border-radius: 4px;
  cursor: pointer;
  transition: background 0.15s, box-shadow 0.15s, opacity 0.15s;
  letter-spacing: 0.02em;
}

.btn:hover:not(:disabled) {
  background: var(--purple);
  box-shadow: 0 0 16px rgba(168, 85, 247, 0.3);
}

.btn:active:not(:disabled) {
  transform: translateY(1px);
}

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

.btn-spinner {
  display: none;
  width: 12px;
  height: 12px;
  border: 1.5px solid rgba(255,255,255,0.3);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

.btn.loading .btn-spinner { display: block; }
.btn.loading .btn-label { opacity: 0.7; }

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

/* Result */
.result {
  display: none;
  margin-top: 20px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
  animation: fadeIn 0.2s ease;
}

.result.visible { display: block; }

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(4px); }
  to   { opacity: 1; transform: translateY(0); }
}

.result-label {
  font-size: 0.65rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 8px;
}

.result-label::before {
  content: '✓ ';
  color: var(--green);
}

.url-row {
  display: flex;
  gap: 8px;
}

.url-input {
  flex: 1;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.72rem;
  padding: 9px 12px;
  background: var(--bg);
  border: 1px solid var(--border-hi);
  border-radius: 4px;
  color: var(--purple);
  outline: none;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.copy-btn {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.72rem;
  padding: 9px 14px;
  background: transparent;
  border: 1px solid var(--border-hi);
  border-radius: 4px;
  color: var(--text-dim);
  cursor: pointer;
  transition: border-color 0.15s, color 0.15s;
  white-space: nowrap;
  flex-shrink: 0;
}

.copy-btn:hover {
  border-color: var(--purple);
  color: var(--purple);
}

.copy-btn.copied {
  border-color: var(--green);
  color: var(--green);
}

/* Error */
.error-msg {
  display: none;
  margin-top: 16px;
  padding: 10px 14px;
  background: rgba(248, 113, 113, 0.07);
  border: 1px solid rgba(248, 113, 113, 0.25);
  border-radius: 4px;
  font-size: 0.75rem;
  color: var(--red);
  animation: fadeIn 0.2s ease;
}

.error-msg.visible { display: block; }
.error-msg::before { content: '✗ '; }

/* Images table card */
.images-card {
  margin-top: 16px;
}

.images-card .card-titlebar {
  justify-content: flex-start;
}

.copy-all-btn {
  margin-left: auto;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.65rem;
  padding: 4px 10px;
  background: transparent;
  border: 1px solid var(--border-hi);
  border-radius: 3px;
  color: var(--text-dim);
  cursor: pointer;
  transition: border-color 0.15s, color 0.15s;
  white-space: nowrap;
}

.copy-all-btn:hover {
  border-color: var(--purple);
  color: var(--purple);
}

.copy-all-btn.copied {
  border-color: var(--green);
  color: var(--green);
}

.images-table-wrap {
  overflow-x: auto;
  max-height: 320px;
  overflow-y: auto;
}

.images-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.72rem;
}

.images-table thead {
  position: sticky;
  top: 0;
  background: var(--surface);
  z-index: 1;
}

.images-table th {
  padding: 8px 16px;
  text-align: left;
  font-size: 0.65rem;
  font-weight: 500;
  color: var(--text-muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border-bottom: 1px solid var(--border);
}

.images-table td {
  padding: 9px 16px;
  border-bottom: 1px solid var(--border);
  color: var(--text-dim);
  vertical-align: middle;
}

.images-table tbody tr:last-child td {
  border-bottom: none;
}

.images-table tbody tr:hover td {
  background: rgba(255,255,255,0.02);
}

.images-table .col-preview-th {
  width: 52px;
}

.images-table .col-preview {
  width: 52px;
  padding: 6px 8px 6px 16px;
}

.images-table .thumb {
  width: 36px;
  height: 36px;
  object-fit: cover;
  border-radius: 3px;
  border: 1px solid var(--border-hi);
  display: block;
  background: var(--bg);
}

.images-table .col-filename {
  max-width: 140px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  color: var(--text);
}

.images-table .col-url {
  color: var(--purple);
  max-width: 180px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.images-table .col-action {
  width: 100px;
  text-align: right;
  white-space: nowrap;
}

.row-copy-btn {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.65rem;
  padding: 4px 10px;
  background: transparent;
  border: 1px solid var(--border-hi);
  border-radius: 3px;
  color: var(--text-muted);
  cursor: pointer;
  transition: border-color 0.15s, color 0.15s;
  white-space: nowrap;
}

.row-copy-btn:hover {
  border-color: var(--purple);
  color: var(--purple);
}

.row-copy-btn.copied {
  border-color: var(--green);
  color: var(--green);
}

.row-delete-btn {
  padding: 4px 6px;
  margin-left: 4px;
  background: transparent;
  border: 1px solid transparent;
  border-radius: 3px;
  cursor: pointer;
  transition: border-color 0.15s;
  vertical-align: middle;
  line-height: 0;
}

.row-delete-btn img {
  width: 14px;
  height: 14px;
  display: block;
  filter: invert(1) opacity(0.35);
  transition: filter 0.15s;
}

.row-delete-btn:hover {
  border-color: var(--red);
}

.row-delete-btn:hover img {
  filter: invert(60%) sepia(80%) saturate(400%) hue-rotate(310deg) brightness(110%);
}

.row-delete-btn:disabled {
  opacity: 0.3;
  cursor: not-allowed;
}

.table-empty-row td {
  text-align: center;
  padding: 24px;
  color: var(--text-muted);
  font-size: 0.72rem;
}

/* Footer */
.footer {
  margin-top: 20px;
  text-align: center;
  font-size: 0.65rem;
  color: var(--text-muted);
  letter-spacing: 0.04em;
}