/* ============================================
   TextShare - Zero-Knowledge Encrypted Sharing
   Dark Theme Stylesheet
   ============================================ */

/* --- CSS Variables / Design Tokens --- */
:root {
  --bg-primary: #0a0a0f;
  --bg-secondary: #0e0e15;
  --bg-card: #12121a;
  --bg-card-hover: #16161f;
  --bg-input: #0e0e16;
  --bg-input-focus: #101018;

  --border-primary: #1e1e2e;
  --border-subtle: #181828;
  --border-focus: #6c5ce7;
  --border-drop: #6c5ce7;

  --accent-primary: #6c5ce7;
  --accent-primary-hover: #7c6ef7;
  --accent-primary-dim: rgba(108, 92, 231, 0.15);
  --accent-primary-glow: rgba(108, 92, 231, 0.3);

  --color-success: #00b894;
  --color-success-dim: rgba(0, 184, 148, 0.15);
  --color-warning: #fdcb6e;
  --color-warning-dim: rgba(253, 203, 110, 0.15);
  --color-danger: #e17055;
  --color-danger-dim: rgba(225, 112, 85, 0.15);

  --text-primary: #e0e0e0;
  --text-secondary: #8888a0;
  --text-tertiary: #5a5a72;
  --text-accent: #a29bfe;

  --font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  --font-mono: "SF Mono", "Fira Code", "Fira Mono", "Roboto Mono", "Cascadia Code", Menlo, Monaco, Consolas, monospace;

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --radius-xl: 18px;

  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 20px var(--accent-primary-glow);

  --transition-fast: 150ms ease;
  --transition-normal: 250ms ease;
  --transition-slow: 400ms ease;
}

/* --- Reset & Base --- */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Subtle background pattern */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  background:
    radial-gradient(ellipse at 20% 20%, rgba(108, 92, 231, 0.04) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 80%, rgba(108, 92, 231, 0.03) 0%, transparent 50%);
  pointer-events: none;
  z-index: 0;
}

/* --- Utility --- */
.hidden {
  display: none !important;
}

/* --- Header --- */
.header {
  position: relative;
  z-index: 1;
  padding: 1.5rem 1rem;
  text-align: center;
  border-bottom: 1px solid var(--border-subtle);
  background: linear-gradient(180deg, rgba(108, 92, 231, 0.06) 0%, transparent 100%);
}

.header-content {
  max-width: 700px;
  margin: 0 auto;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
}

.logo h1 {
  font-size: 1.75rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  background: linear-gradient(135deg, var(--text-primary) 0%, var(--text-accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.lock-icon {
  color: var(--accent-primary);
  flex-shrink: 0;
}

.tagline {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-top: 0.25rem;
  letter-spacing: 0.01em;
}

/* --- Main --- */
.main {
  position: relative;
  z-index: 1;
  flex: 1;
  padding: 2rem 1rem;
  max-width: 700px;
  width: 100%;
  margin: 0 auto;
}

.section {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

/* --- Cards --- */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  box-shadow: var(--shadow-sm);
  transition: border-color var(--transition-normal);
}

.card:hover {
  border-color: rgba(108, 92, 231, 0.2);
}

.card-center {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 1rem;
  padding: 3rem 1.75rem;
}

.card-header {
  margin-bottom: 1.5rem;
}

.card-header h2 {
  font-size: 1.25rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--text-primary);
}

.card-description {
  color: var(--text-secondary);
  font-size: 0.875rem;
  margin-top: 0.35rem;
}

/* --- Mode Toggle --- */
.mode-toggle {
  display: flex;
  gap: 0;
  background: var(--bg-input);
  border-radius: var(--radius-md);
  padding: 4px;
  border: 1px solid var(--border-primary);
}

.mode-btn {
  flex: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.6rem 1rem;
  font-size: 0.875rem;
  font-weight: 500;
  font-family: inherit;
  color: var(--text-secondary);
  background: transparent;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
  user-select: none;
}

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

.mode-btn.active {
  color: var(--text-primary);
  background: var(--accent-primary-dim);
  box-shadow: 0 1px 4px rgba(108, 92, 231, 0.15);
}

.mode-btn svg {
  flex-shrink: 0;
}

/* --- Text Input --- */
.input-area {
  margin-bottom: 1rem;
}

textarea {
  width: 100%;
  padding: 1rem;
  font-family: var(--font-mono);
  font-size: 0.875rem;
  line-height: 1.65;
  color: var(--text-primary);
  background: var(--bg-input);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-md);
  resize: vertical;
  min-height: 100px;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  outline: none;
}

textarea::placeholder {
  color: var(--text-tertiary);
}

textarea:focus {
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px var(--accent-primary-dim);
}

/* --- File Drop Zone --- */
.drop-zone {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  padding: 2.5rem 1.5rem;
  border: 2px dashed var(--border-primary);
  border-radius: var(--radius-md);
  background: var(--bg-input);
  cursor: pointer;
  transition: all var(--transition-normal);
  text-align: center;
  position: relative;
}

.drop-zone-compact {
  padding: 1.5rem 1rem;
  gap: 0.5rem;
}

.drop-zone:hover {
  border-color: var(--text-tertiary);
  background: var(--bg-input-focus);
}

.drop-zone.dragover {
  border-color: var(--accent-primary);
  background: var(--accent-primary-dim);
  box-shadow: var(--shadow-glow);
}

.drop-zone.dragover .drop-zone-icon {
  color: var(--accent-primary);
  transform: translateY(-4px);
}

.drop-zone-icon {
  color: var(--text-tertiary);
  transition: all var(--transition-normal);
}

.drop-zone-text {
  color: var(--text-secondary);
  font-size: 0.925rem;
}

.drop-zone-hint {
  color: var(--text-tertiary);
  font-size: 0.8rem;
}

.file-input-hidden {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  cursor: pointer;
}

/* File Info */
.file-info {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.875rem 1rem;
  background: var(--accent-primary-dim);
  border: 1px solid rgba(108, 92, 231, 0.25);
  border-radius: var(--radius-md);
  margin-top: 0.75rem;
}

.file-info-details {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  min-width: 0;
}

.file-info-details svg {
  color: var(--accent-primary);
  flex-shrink: 0;
}

.file-info-details div {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.file-name {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.file-size {
  font-size: 0.78rem;
  color: var(--text-secondary);
}

.file-remove-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border: none;
  background: rgba(225, 112, 85, 0.15);
  color: var(--color-danger);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
  flex-shrink: 0;
}

.file-remove-btn:hover {
  background: rgba(225, 112, 85, 0.3);
}

/* --- Options --- */
.options-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.option-group {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.option-group-checkbox {
  grid-column: 1 / -1;
}

.option-label {
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.option-select,
.option-input {
  padding: 0.6rem 0.85rem;
  font-size: 0.875rem;
  font-family: inherit;
  color: var(--text-primary);
  background: var(--bg-input);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-sm);
  outline: none;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  appearance: none;
  -webkit-appearance: none;
}

.option-select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%238888a0' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.75rem center;
  padding-right: 2.25rem;
  cursor: pointer;
}

.option-select-compact {
  padding: 0.45rem 2rem 0.45rem 0.7rem;
  font-size: 0.8rem;
}

.option-select:focus,
.option-input:focus {
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px var(--accent-primary-dim);
}

.option-input::placeholder {
  color: var(--text-tertiary);
}

/* Remove number input spinners */
.option-input[type="number"]::-webkit-inner-spin-button,
.option-input[type="number"]::-webkit-outer-spin-button {
  -webkit-appearance: none;
  margin: 0;
}
.option-input[type="number"] {
  -moz-appearance: textfield;
}

/* Checkbox */
.checkbox-label {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  cursor: pointer;
  font-size: 0.9rem;
  user-select: none;
}

.checkbox-label input[type="checkbox"] {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.checkbox-custom {
  width: 20px;
  height: 20px;
  border: 2px solid var(--border-primary);
  border-radius: 4px;
  background: var(--bg-input);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: all var(--transition-fast);
  position: relative;
}

.checkbox-custom::after {
  content: "";
  width: 10px;
  height: 6px;
  border-left: 2px solid white;
  border-bottom: 2px solid white;
  transform: rotate(-45deg) scale(0);
  transition: transform var(--transition-fast);
  position: absolute;
  top: 3px;
}

.checkbox-label input[type="checkbox"]:checked + .checkbox-custom {
  background: var(--accent-primary);
  border-color: var(--accent-primary);
}

.checkbox-label input[type="checkbox"]:checked + .checkbox-custom::after {
  transform: rotate(-45deg) scale(1);
}

.checkbox-label input[type="checkbox"]:focus-visible + .checkbox-custom {
  box-shadow: 0 0 0 3px var(--accent-primary-dim);
}

.option-hint {
  font-size: 0.78rem;
  color: var(--text-tertiary);
  margin-top: 0.1rem;
  margin-left: calc(20px + 0.6rem);
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.65rem 1.25rem;
  font-size: 0.875rem;
  font-weight: 500;
  font-family: inherit;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
  user-select: none;
  white-space: nowrap;
}

.btn:active {
  transform: scale(0.98);
}

.btn-primary {
  color: #fff;
  background: var(--accent-primary);
  box-shadow: 0 2px 8px rgba(108, 92, 231, 0.3);
}

.btn-primary:hover {
  background: var(--accent-primary-hover);
  box-shadow: 0 4px 16px rgba(108, 92, 231, 0.4);
}

.btn-primary:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  box-shadow: none;
}

.btn-secondary {
  color: var(--text-primary);
  background: var(--bg-input);
  border: 1px solid var(--border-primary);
}

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

.btn-large {
  width: 100%;
  padding: 0.85rem 1.5rem;
  font-size: 0.95rem;
  border-radius: var(--radius-md);
}

.btn-small {
  padding: 0.4rem 0.75rem;
  font-size: 0.8rem;
}

.btn-copy {
  color: var(--text-primary);
  background: var(--bg-input);
  border: 1px solid var(--border-primary);
  min-width: 80px;
}

.btn-copy:hover {
  border-color: var(--text-tertiary);
  background: var(--bg-card-hover);
}

.btn-copy.copied {
  color: var(--color-success);
  border-color: rgba(0, 184, 148, 0.3);
  background: var(--color-success-dim);
}

.btn-copy.copied .copy-icon {
  display: none;
}

.btn-copy.copied .check-icon {
  display: inline-block !important;
}

.btn-copy.copied .copy-text {
  display: none;
}

.btn-copy.copied::after {
  content: "Copied!";
  font-size: inherit;
}

/* --- Spinner --- */
.spinner {
  width: 24px;
  height: 24px;
  border: 3px solid var(--border-primary);
  border-top-color: var(--accent-primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

.spinner-large {
  width: 40px;
  height: 40px;
  border-width: 4px;
}

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

/* --- Progress --- */
.progress-container {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  padding: 1.25rem 0;
}

.progress-text {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

/* --- Result --- */
.result-container {
  margin-top: 1.25rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--border-primary);
}

.result-success {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--color-success);
  font-weight: 500;
  margin-bottom: 1rem;
}

.result-success svg {
  flex-shrink: 0;
}

.result-link-container {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
}

.share-link-input {
  flex: 1;
  padding: 0.65rem 0.85rem;
  font-size: 0.84rem;
  font-family: var(--font-mono);
  color: var(--text-accent);
  background: var(--bg-input);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-sm);
  outline: none;
  min-width: 0;
}

.share-link-input:focus {
  border-color: var(--border-focus);
}

.result-warning {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  padding: 0.75rem 1rem;
  background: var(--color-warning-dim);
  border: 1px solid rgba(253, 203, 110, 0.2);
  border-radius: var(--radius-sm);
  margin-bottom: 1rem;
}

.result-warning svg {
  color: var(--color-warning);
  flex-shrink: 0;
  margin-top: 2px;
}

.result-warning span {
  font-size: 0.82rem;
  color: var(--color-warning);
  line-height: 1.5;
}

/* --- Error --- */
.error-container {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  padding: 0.85rem 1rem;
  background: var(--color-danger-dim);
  border: 1px solid rgba(225, 112, 85, 0.25);
  border-radius: var(--radius-md);
  margin-top: 1rem;
}

.error-container svg {
  color: var(--color-danger);
  flex-shrink: 0;
  margin-top: 1px;
}

.error-container span {
  font-size: 0.875rem;
  color: var(--color-danger);
  line-height: 1.5;
}

/* --- View Section --- */
.view-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.25rem;
  margin-top: 0.75rem;
}

.view-meta-item {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.view-meta-item svg {
  flex-shrink: 0;
  opacity: 0.7;
}

/* Text View */
.view-text-container {
  margin-bottom: 1rem;
}

.view-text-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.5rem;
}

.view-text-label {
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.view-text {
  padding: 1.25rem;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  line-height: 1.7;
  color: var(--text-primary);
  background: var(--bg-input);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-md);
  overflow-x: auto;
  white-space: pre-wrap;
  word-break: break-word;
  max-height: 600px;
  overflow-y: auto;
}

/* File View */
.view-file-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.25rem;
  padding: 2rem 1rem;
  background: var(--bg-input);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-md);
  margin-bottom: 1rem;
}

.view-file-info {
  display: flex;
  align-items: center;
  gap: 1rem;
  text-align: left;
}

.view-file-info svg {
  color: var(--accent-primary);
  flex-shrink: 0;
}

.view-file-name {
  font-size: 1rem;
  font-weight: 500;
  color: var(--text-primary);
  word-break: break-all;
}

.view-file-size {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-top: 0.15rem;
}

/* Burn Warning */
.burn-warning {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  padding: 0.85rem 1rem;
  background: var(--color-danger-dim);
  border: 1px solid rgba(225, 112, 85, 0.25);
  border-radius: var(--radius-md);
  margin-bottom: 1rem;
}

.burn-warning svg {
  color: var(--color-danger);
  flex-shrink: 0;
  margin-top: 1px;
}

.burn-warning span {
  font-size: 0.875rem;
  color: var(--color-danger);
  line-height: 1.5;
}

/* View Actions */
.view-actions {
  display: flex;
  justify-content: center;
  margin-top: 1.25rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--border-primary);
}

/* View Error */
.view-error-icon {
  color: var(--color-danger);
  margin-bottom: 0.25rem;
}

.view-error-icon-warning {
  color: var(--color-warning);
}

.view-error-title {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-primary);
}

.view-error-text {
  font-size: 0.9rem;
  color: var(--text-secondary);
  max-width: 400px;
  line-height: 1.6;
}

/* --- Info Card --- */
.card-info {
  background: var(--bg-secondary);
  border-color: var(--border-subtle);
}

.card-info:hover {
  border-color: var(--border-primary);
}

.info-title {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 1rem;
}

.info-title svg {
  color: var(--accent-primary);
  flex-shrink: 0;
}

.info-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.info-list li {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.55;
  padding-left: 1.25rem;
  position: relative;
}

.info-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 6px;
  height: 6px;
  background: var(--accent-primary);
  border-radius: 50%;
}

.info-list li strong {
  color: var(--text-primary);
  font-weight: 500;
}

/* --- Footer --- */
.footer {
  position: relative;
  z-index: 1;
  padding: 1.25rem 1rem;
  text-align: center;
  border-top: 1px solid var(--border-subtle);
}

.footer-content {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

.footer-lock {
  color: var(--accent-primary);
  display: flex;
}

.footer p {
  font-size: 0.8rem;
  color: var(--text-tertiary);
}

/* --- Responsive --- */
@media (max-width: 640px) {
  .header {
    padding: 1.25rem 1rem;
  }

  .logo h1 {
    font-size: 1.5rem;
  }

  .main {
    padding: 1.25rem 0.75rem;
  }

  .card {
    padding: 1.25rem;
    border-radius: var(--radius-md);
  }

  .options-grid {
    grid-template-columns: 1fr;
  }

  .result-link-container {
    flex-direction: column;
  }

  .btn-copy {
    width: 100%;
  }

  .view-meta {
    flex-direction: column;
    gap: 0.35rem;
  }
}

@media (max-width: 380px) {
  .card {
    padding: 1rem;
  }

  .logo h1 {
    font-size: 1.35rem;
  }

  textarea {
    min-height: 80px;
  }
}

/* --- Scrollbar Styling --- */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: var(--border-primary);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--text-tertiary);
}

/* Selection */
::selection {
  background: var(--accent-primary-dim);
  color: var(--text-primary);
}

/* Focus visible for keyboard users */
:focus-visible {
  outline: 2px solid var(--accent-primary);
  outline-offset: 2px;
}

/* Remove focus ring for mouse users */
:focus:not(:focus-visible) {
  outline: none;
}

/* Animation for fade-in */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.card {
  animation: fadeIn 0.4s ease;
}


/* ============================================
   Shared Clipboard — Additional Styles
   ============================================ */

/* --- Clipboard Input Card --- */
.clipboard-input {
  padding: 1.25rem;
}

.clipboard-input:hover {
  border-color: var(--border-primary);
}

.clipboard-input-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1rem;
}

.clipboard-input-options {
  flex-shrink: 0;
}

.clipboard-input-footer {
  display: flex;
  justify-content: flex-end;
}

/* --- Clipboard Toolbar --- */
.clipboard-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.25rem 0;
}

.clipboard-toolbar-left {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.clipboard-toolbar-right {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

/* --- Refresh Indicator --- */
.refresh-indicator {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.75rem;
  color: var(--text-tertiary);
  letter-spacing: 0.02em;
}

.refresh-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-success);
  animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.8); }
}

/* --- Clipboard List --- */
.clipboard-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

/* --- Clipboard Item Card --- */
.clipboard-item {
  background: var(--bg-card);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-md);
  padding: 1rem 1.25rem;
  cursor: pointer;
  transition: all var(--transition-fast);
  animation: fadeIn 0.3s ease;
}

.clipboard-item:hover {
  border-color: rgba(108, 92, 231, 0.3);
  background: var(--bg-card-hover);
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.3);
}

/* Text item specific */
.clipboard-item.text-item:hover {
  border-color: rgba(108, 92, 231, 0.35);
}

/* File item specific */
.clipboard-item.file-item:hover {
  border-color: rgba(108, 92, 231, 0.35);
}

/* Copied flash animation */
.clipboard-item.copied {
  border-color: var(--color-success) !important;
  background: var(--color-success-dim) !important;
  box-shadow: 0 0 16px rgba(0, 184, 148, 0.2) !important;
  transition: all 0.15s ease;
}

@keyframes copiedFlash {
  0% { border-color: var(--color-success); background: var(--color-success-dim); }
  100% { border-color: var(--border-primary); background: var(--bg-card); }
}

/* --- Item Header --- */
.item-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 0.6rem;
}

.item-type {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.item-type-icon {
  font-size: 1rem;
  line-height: 1;
}

.item-type-name {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.item-header-right {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.item-timestamp {
  font-size: 0.75rem;
  color: var(--text-tertiary);
  white-space: nowrap;
}

.item-delete-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border: none;
  background: transparent;
  color: var(--text-tertiary);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
  font-size: 0.9rem;
  opacity: 0;
  flex-shrink: 0;
}

.clipboard-item:hover .item-delete-btn {
  opacity: 1;
}

.item-delete-btn:hover {
  background: var(--color-danger-dim);
  color: var(--color-danger);
}

/* --- Item Divider --- */
.item-divider {
  height: 1px;
  background: var(--border-primary);
  margin-bottom: 0.6rem;
}

/* --- Item Preview (text) --- */
.item-preview {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  line-height: 1.6;
  color: var(--text-primary);
  background: var(--bg-input);
  border-radius: var(--radius-sm);
  padding: 0.75rem 1rem;
  max-height: 6.4em; /* approx 4 lines */
  overflow: hidden;
  position: relative;
  white-space: pre-wrap;
  word-break: break-word;
  margin-bottom: 0.6rem;
}

.item-preview::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 1.5em;
  background: linear-gradient(transparent, var(--bg-input));
  pointer-events: none;
}

.item-preview code {
  font-family: inherit;
  color: inherit;
}

/* --- Item File Info --- */
.item-file-info {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.6rem 0;
  margin-bottom: 0.4rem;
}

.item-file-name {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.item-file-size {
  font-size: 0.8rem;
  color: var(--text-tertiary);
  flex-shrink: 0;
}

/* --- Item Actions --- */
.item-actions {
  display: flex;
  justify-content: flex-end;
  gap: 0.5rem;
}

.item-copy-btn {
  min-width: auto;
  font-size: 0.78rem;
  padding: 0.3rem 0.65rem;
}

.item-download-btn {
  font-size: 0.78rem;
  padding: 0.3rem 0.65rem;
}

/* --- Empty State --- */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 0.75rem;
  padding: 3rem 1.5rem;
  color: var(--text-tertiary);
}

.empty-state svg {
  opacity: 0.4;
}

.empty-state-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.empty-state-text {
  font-size: 0.85rem;
  color: var(--text-tertiary);
  max-width: 360px;
  line-height: 1.6;
}

/* --- Toast Notification --- */
.toast-notification {
  position: fixed;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  padding: 0.65rem 1.25rem;
  font-size: 0.85rem;
  font-weight: 500;
  font-family: var(--font-family);
  border-radius: var(--radius-md);
  z-index: 9999;
  opacity: 0;
  transition: all 0.3s ease;
  pointer-events: none;
  white-space: nowrap;
  box-shadow: var(--shadow-lg);
}

.toast-notification.toast-visible {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

.toast-success {
  background: var(--color-success);
  color: #fff;
}

.toast-error {
  background: var(--color-danger);
  color: #fff;
}

/* --- Clipboard responsive adjustments --- */
@media (max-width: 640px) {
  .clipboard-input-header {
    flex-direction: column;
    align-items: stretch;
    gap: 0.75rem;
  }

  .clipboard-input-options {
    display: flex;
  }

  .clipboard-input-options .option-select {
    flex: 1;
  }

  .clipboard-toolbar {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
  }

  .clipboard-toolbar-right {
    width: 100%;
    justify-content: flex-end;
  }

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

  .item-delete-btn {
    opacity: 1;
  }
}