/* ============================================================
   Custom properties — dark futuristic / neon theme
   ============================================================ */
:root {
  --neon-cyan:        #00f0ff;
  --neon-magenta:     #ff00e5;
  --neon-green:       #39ff14;
  --neon-purple:      #b14eff;
  --neon-orange:      #ff6a00;

  --color-primary:    var(--neon-cyan);
  --color-primary-hover: #00c8d4;
  --color-success:    var(--neon-green);
  --color-danger:     #ff2d55;
  --color-danger-hover:#d4223f;

  --color-bg:         #0a0e17;
  --color-bg-raised:  #111827;
  --color-card:       #131a2b;
  --color-card-alt:   #1a2236;
  --color-text:       #e0e6f0;
  --color-muted:      #6b7a99;
  --color-border:     #1e2d4a;
  --color-input-bg:   #0d1322;
  --color-input-focus: rgba(0, 240, 255, 0.15);

  --glow-cyan:        0 0 8px rgba(0,240,255,.35), 0 0 24px rgba(0,240,255,.12);
  --glow-magenta:     0 0 8px rgba(255,0,229,.35), 0 0 24px rgba(255,0,229,.12);
  --glow-green:       0 0 8px rgba(57,255,20,.3), 0 0 24px rgba(57,255,20,.1);
  --glow-soft:        0 0 6px rgba(0,240,255,.12);

  --radius-sm:    4px;
  --radius-md:    8px;
  --radius-lg:    14px;

  --shadow-sm:    0 1px 4px rgba(0,0,0,.4);
  --shadow-md:    0 4px 12px rgba(0,0,0,.5);
  --shadow-lg:    0 8px 30px rgba(0,0,0,.6);

  --font-stack:   'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
                  "Helvetica Neue", Arial, sans-serif;
  --font-mono:    'JetBrains Mono', 'SF Mono', 'Fira Code', Menlo, monospace;
  --transition:   180ms ease;
}

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

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

body {
  font-family: var(--font-stack);
  font-size: 0.9375rem;
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.55;
  min-height: 100vh;
  background-image:
    radial-gradient(ellipse at 20% 0%, rgba(0,240,255,.04) 0%, transparent 60%),
    radial-gradient(ellipse at 80% 100%, rgba(255,0,229,.03) 0%, transparent 60%);
}

::selection {
  background: rgba(0,240,255,.25);
  color: #fff;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

button {
  font-family: inherit;
  cursor: pointer;
}

a {
  color: var(--neon-cyan);
  text-decoration: none;
  transition: color var(--transition), text-shadow var(--transition);
}

a:hover {
  color: #66f7ff;
  text-shadow: 0 0 6px rgba(0,240,255,.4);
}

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

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

.required {
  color: var(--color-danger);
  margin-left: 2px;
}

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

/* ============================================================
   Nav
   ============================================================ */
.nav {
  background: rgba(13,19,34,.85);
  backdrop-filter: blur(16px) saturate(1.4);
  -webkit-backdrop-filter: blur(16px) saturate(1.4);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 100;
}

.nav__inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.25rem;
  height: 60px;
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.nav__title {
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  white-space: nowrap;
  background: linear-gradient(135deg, var(--neon-cyan), var(--neon-magenta));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav__buttons {
  display: flex;
  gap: 0.375rem;
  margin-left: auto;
}

.nav__btn {
  background: transparent;
  border: 1px solid transparent;
  color: var(--color-muted);
  padding: 0.45rem 1rem;
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  transition: all var(--transition);
}

.nav__btn:hover {
  color: var(--color-text);
  border-color: var(--color-border);
  background: rgba(0,240,255,.04);
}

.nav__btn--active {
  color: var(--neon-cyan);
  border-color: rgba(0,240,255,.3);
  background: rgba(0,240,255,.08);
  text-shadow: 0 0 8px rgba(0,240,255,.3);
}

/* ============================================================
   Main layout
   ============================================================ */
.main {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1.5rem 1.25rem 3rem;
}

/* ============================================================
   Views
   ============================================================ */
.view {
  animation: fadeIn 250ms ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to   { opacity: 1; transform: translateY(0); }
}

.view__columns {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 1.25rem;
  align-items: start;
}

.preview-col {
  position: sticky;
  top: 76px;
}

/* ============================================================
   Cards
   ============================================================ */
.card {
  background: var(--color-card);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
  padding: 1.5rem;
  margin-bottom: 1.25rem;
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(0,240,255,.25), transparent);
}

.card:last-child {
  margin-bottom: 0;
}

.card__title {
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--neon-cyan);
  margin-bottom: 1.25rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--color-border);
  text-shadow: 0 0 10px rgba(0,240,255,.2);
}

/* ============================================================
   Form elements
   ============================================================ */
.form-group {
  margin-bottom: 1rem;
}

.form-group:last-child {
  margin-bottom: 0;
}

.form-label {
  display: block;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--color-muted);
  margin-bottom: 0.4rem;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.form-label--optional {
  color: #4a5568;
  font-weight: 400;
  text-transform: none;
}

.form-input,
.form-select {
  width: 100%;
  padding: 0.55rem 0.8rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  font-family: var(--font-stack);
  color: var(--color-text);
  background: var(--color-input-bg);
  transition: border-color var(--transition), box-shadow var(--transition);
  appearance: none;
  -webkit-appearance: none;
}

.form-select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20' fill='%236b7a99'%3E%3Cpath fill-rule='evenodd' d='M5.23 7.21a.75.75 0 011.06.02L10 11.168l3.71-3.938a.75.75 0 111.08 1.04l-4.25 4.5a.75.75 0 01-1.08 0l-4.25-4.5a.75.75 0 01.02-1.06z' clip-rule='evenodd'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.6rem center;
  background-size: 1.1rem;
  padding-right: 2rem;
}

.form-input:focus,
.form-select:focus {
  outline: none;
  border-color: var(--neon-cyan);
  box-shadow: var(--glow-soft), 0 0 0 3px var(--color-input-focus);
}

.form-input::placeholder {
  color: #3d4a5f;
}

.form-input[type="search"]::-webkit-search-cancel-button {
  -webkit-appearance: none;
}

/* Color input */
.color-wrap {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.form-color {
  width: 40px;
  height: 36px;
  padding: 2px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-input-bg);
  cursor: pointer;
  flex-shrink: 0;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.form-color:focus {
  outline: none;
  border-color: var(--neon-cyan);
  box-shadow: var(--glow-soft);
}

.color-hex {
  font-size: 0.8125rem;
  font-family: var(--font-mono);
  color: var(--color-muted);
}

/* Options panel */
.options-panel {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1rem;
  margin-bottom: 1.25rem;
  background: rgba(0,0,0,.15);
}

.options-panel__legend {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--neon-purple);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 0 0.375rem;
}

.options-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.875rem 1rem;
  margin-top: 0.75rem;
}

/* Format toggle */
.toggle-group {
  display: flex;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  width: fit-content;
}

.toggle-btn {
  background: var(--color-input-bg);
  border: none;
  padding: 0.45rem 1rem;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--color-muted);
  transition: all var(--transition);
}

.toggle-btn + .toggle-btn {
  border-left: 1px solid var(--color-border);
}

.toggle-btn--active {
  background: rgba(0,240,255,.12);
  color: var(--neon-cyan);
  text-shadow: 0 0 8px rgba(0,240,255,.3);
}

.toggle-btn:hover:not(.toggle-btn--active) {
  background: var(--color-card-alt);
  color: var(--color-text);
}

/* ============================================================
   Buttons
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.6rem 1.2rem;
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  font-weight: 600;
  border: 1px solid transparent;
  letter-spacing: 0.02em;
  transition: all var(--transition);
  white-space: nowrap;
  text-transform: uppercase;
}

.btn:focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px var(--color-input-focus);
}

.btn--primary {
  background: linear-gradient(135deg, rgba(0,240,255,.15), rgba(0,240,255,.05));
  color: var(--neon-cyan);
  border-color: rgba(0,240,255,.4);
  box-shadow: var(--glow-soft);
}

.btn--primary:hover {
  background: linear-gradient(135deg, rgba(0,240,255,.25), rgba(0,240,255,.1));
  border-color: var(--neon-cyan);
  box-shadow: var(--glow-cyan);
  text-shadow: 0 0 8px rgba(0,240,255,.5);
}

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

.btn--secondary:hover {
  background: rgba(255,255,255,.06);
  border-color: var(--color-muted);
}

.btn--danger {
  background: linear-gradient(135deg, rgba(255,45,85,.15), rgba(255,45,85,.05));
  color: var(--color-danger);
  border-color: rgba(255,45,85,.4);
}

.btn--danger:hover {
  background: linear-gradient(135deg, rgba(255,45,85,.25), rgba(255,45,85,.1));
  border-color: var(--color-danger);
  box-shadow: 0 0 8px rgba(255,45,85,.3);
  text-shadow: 0 0 6px rgba(255,45,85,.4);
}

.btn--full {
  width: 100%;
}

.btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
  box-shadow: none;
}

/* ============================================================
   QR Preview
   ============================================================ */
.preview-card {
  text-align: center;
}

.qr-preview {
  min-height: 240px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
  background: rgba(0,0,0,.2);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  padding: 1.5rem;
}

.qr-preview__placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  color: var(--color-border);
}

.qr-preview__placeholder svg {
  width: 72px;
  height: 72px;
  opacity: 0.3;
}

.qr-preview__placeholder p {
  font-size: 0.85rem;
  color: #3d4a5f;
}

.qr-preview__img {
  max-width: 100%;
  border-radius: var(--radius-sm);
  filter: drop-shadow(0 0 12px rgba(0,240,255,.15));
}

.preview-actions {
  display: flex;
  gap: 0.625rem;
  justify-content: center;
  margin-bottom: 0.875rem;
}

.redirect-info {
  background: var(--color-input-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 0.625rem 0.875rem;
  text-align: left;
}

.redirect-info__label {
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-muted);
  margin-bottom: 0.2rem;
}

.redirect-info__url {
  font-size: 0.875rem;
  font-family: var(--font-mono);
  color: var(--neon-cyan);
  word-break: break-all;
  text-shadow: 0 0 6px rgba(0,240,255,.2);
}

/* ============================================================
   Drop zone & logo grid
   ============================================================ */
.drop-zone {
  border: 2px dashed var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.75rem 1rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  text-align: center;
  transition: all var(--transition);
  cursor: pointer;
  margin-bottom: 1rem;
  background: rgba(0,0,0,.1);
}

.drop-zone:hover,
.drop-zone--over {
  border-color: var(--neon-cyan);
  background: rgba(0,240,255,.03);
  box-shadow: inset 0 0 20px rgba(0,240,255,.04);
}

.drop-zone__icon {
  width: 36px;
  height: 36px;
  color: var(--color-muted);
}

.drop-zone__text {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text);
}

.drop-zone__subtext {
  font-size: 0.8rem;
  color: var(--color-muted);
}

.logo-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(72px, 1fr));
  gap: 0.625rem;
}

.logo-item {
  position: relative;
  border: 2px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  cursor: pointer;
  transition: all var(--transition);
  aspect-ratio: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-input-bg);
}

.logo-item:hover {
  border-color: var(--neon-cyan);
  box-shadow: var(--glow-soft);
}

.logo-item--selected {
  border-color: var(--neon-cyan);
  box-shadow: var(--glow-cyan);
}

.logo-item img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 4px;
}

.logo-item__delete {
  position: absolute;
  top: 2px;
  right: 2px;
  width: 18px;
  height: 18px;
  background: var(--color-danger);
  color: #fff;
  border: none;
  border-radius: 50%;
  font-size: 11px;
  line-height: 1;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 0;
  opacity: 0.9;
}

.logo-item:hover .logo-item__delete {
  display: flex;
}

.logo-item__delete:hover {
  opacity: 1;
  background: var(--color-danger-hover);
  box-shadow: 0 0 6px rgba(255,45,85,.4);
}

/* ============================================================
   Dashboard toolbar
   ============================================================ */
.dashboard-toolbar {
  display: flex;
  gap: 0.75rem;
  align-items: center;
  margin-bottom: 1rem;
  flex-wrap: wrap;
}

.search-wrap {
  flex: 1;
  min-width: 180px;
}

.search-input {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20' fill='%236b7a99'%3E%3Cpath fill-rule='evenodd' d='M9 3.5a5.5 5.5 0 100 11 5.5 5.5 0 000-11zM2 9a7 7 0 1112.452 4.391l3.328 3.329a.75.75 0 11-1.06 1.06l-3.329-3.328A7 7 0 012 9z' clip-rule='evenodd'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: 0.6rem center;
  background-size: 1rem;
  padding-left: 2.1rem;
}

.sort-wrap {
  width: 180px;
  flex-shrink: 0;
}

/* ============================================================
   Redirect table
   ============================================================ */
.table-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.redirect-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}

.redirect-table th {
  text-align: left;
  padding: 0.6rem 0.75rem;
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--neon-purple);
  border-bottom: 1px solid var(--color-border);
  white-space: nowrap;
}

.redirect-table td {
  padding: 0.75rem;
  border-bottom: 1px solid rgba(30,45,74,.5);
  vertical-align: middle;
  color: var(--color-text);
}

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

.redirect-table tbody tr {
  transition: background var(--transition);
}

.redirect-table tbody tr:hover td {
  background: rgba(0,240,255,.03);
}

/* Table cell helpers */
.cell-qr img {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  background: #fff;
}

.cell-qr .qr-loading {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-sm);
  background: var(--color-input-bg);
  border: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-muted);
  font-size: 0.7rem;
}

.cell-code a {
  font-weight: 600;
  font-family: var(--font-mono);
  font-size: 0.85rem;
}

.cell-url {
  max-width: 220px;
}

.cell-url span {
  display: block;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 220px;
  cursor: default;
  color: var(--color-muted);
  font-size: 0.85rem;
}

.cell-url .copy-cell-btn {
  background: none;
  border: none;
  padding: 0;
  color: var(--color-muted);
  font-size: 0.75rem;
  text-decoration: underline;
  cursor: pointer;
  transition: color var(--transition);
}

.cell-url .copy-cell-btn:hover {
  color: var(--neon-cyan);
  text-shadow: 0 0 4px rgba(0,240,255,.3);
}

.scan-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  background: rgba(57,255,20,.08);
  color: var(--neon-green);
  border: 1px solid rgba(57,255,20,.2);
  border-radius: 9999px;
  padding: 0.2rem 0.6rem;
  font-size: 0.8rem;
  font-weight: 600;
  font-family: var(--font-mono);
  text-shadow: 0 0 6px rgba(57,255,20,.3);
}

.scan-badge svg {
  width: 13px;
  height: 13px;
}

.cell-date {
  white-space: nowrap;
  font-size: 0.8rem;
  color: var(--color-muted);
  font-family: var(--font-mono);
}

.cell-actions {
  white-space: nowrap;
}

.cell-actions .action-btn {
  background: transparent;
  border: 1px solid var(--color-border);
  color: var(--color-muted);
  padding: 0.3rem 0.6rem;
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  transition: all var(--transition);
  margin-left: 0.25rem;
}

.cell-actions .action-btn:first-child {
  margin-left: 0;
}

.cell-actions .action-btn:hover {
  color: var(--neon-cyan);
  border-color: rgba(0,240,255,.3);
  background: rgba(0,240,255,.06);
  text-shadow: 0 0 4px rgba(0,240,255,.3);
}

.cell-actions .action-btn--danger:hover {
  color: var(--color-danger);
  border-color: rgba(255,45,85,.4);
  background: rgba(255,45,85,.06);
  text-shadow: 0 0 4px rgba(255,45,85,.3);
}

.empty-state {
  padding: 3rem 1rem;
  text-align: center;
  color: var(--color-muted);
  font-size: 0.9rem;
}

/* ============================================================
   Modal
   ============================================================ */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(5,8,15,.75);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 200;
  padding: 1rem;
  animation: overlayIn 200ms ease;
}

@keyframes overlayIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

.modal {
  background: var(--color-card);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg), 0 0 40px rgba(0,240,255,.06);
  border: 1px solid var(--color-border);
  width: 100%;
  max-width: 460px;
  padding: 1.5rem;
  animation: modalIn 200ms ease;
  position: relative;
  overflow: hidden;
}

.modal::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(0,240,255,.3), transparent);
}

.modal--sm {
  max-width: 360px;
}

@keyframes modalIn {
  from { opacity: 0; transform: scale(0.95) translateY(-10px); }
  to   { opacity: 1; transform: scale(1) translateY(0); }
}

.modal__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.25rem;
}

.modal__title {
  font-size: 0.9rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--neon-cyan);
  text-shadow: 0 0 8px rgba(0,240,255,.2);
}

.modal__close {
  background: none;
  border: none;
  font-size: 1.4rem;
  color: var(--color-muted);
  line-height: 1;
  padding: 0 0.2rem;
  transition: color var(--transition), text-shadow var(--transition);
}

.modal__close:hover {
  color: var(--color-danger);
  text-shadow: 0 0 6px rgba(255,45,85,.4);
}

.modal__body {
  font-size: 0.9rem;
  color: var(--color-muted);
  margin-bottom: 1.25rem;
  line-height: 1.6;
}

.modal__body strong {
  color: var(--neon-cyan);
  font-family: var(--font-mono);
}

.modal__actions {
  display: flex;
  justify-content: flex-end;
  gap: 0.625rem;
  margin-top: 1.25rem;
}

/* ============================================================
   Toast
   ============================================================ */
.toast {
  position: fixed;
  bottom: 1.5rem;
  left: 50%;
  transform: translateX(-50%) translateY(120%);
  background: var(--color-card);
  color: var(--neon-cyan);
  border: 1px solid rgba(0,240,255,.3);
  padding: 0.6rem 1.25rem;
  border-radius: 9999px;
  font-size: 0.85rem;
  font-weight: 500;
  box-shadow: var(--shadow-md), var(--glow-soft);
  z-index: 300;
  transition: transform 300ms cubic-bezier(.34,1.56,.64,1), opacity 300ms ease;
  opacity: 0;
  white-space: nowrap;
  pointer-events: none;
  font-family: var(--font-mono);
}

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

/* ============================================================
   Spinner
   ============================================================ */
@keyframes spin {
  to { transform: rotate(360deg); }
}

.spinner {
  display: inline-block;
  width: 14px;
  height: 14px;
  border: 2px solid rgba(0,240,255,.2);
  border-top-color: var(--neon-cyan);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  vertical-align: middle;
}

/* ============================================================
   Responsive breakpoints
   ============================================================ */
@media (max-width: 900px) {
  .view__columns {
    grid-template-columns: 1fr;
  }

  .preview-col {
    position: static;
    order: -1;
  }

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

@media (max-width: 640px) {
  .main {
    padding: 1rem 0.875rem 2rem;
  }

  .card {
    padding: 1.1rem;
  }

  .dashboard-toolbar {
    flex-direction: column;
    align-items: stretch;
  }

  .sort-wrap {
    width: 100%;
  }

  .redirect-table th:nth-child(5),
  .redirect-table td:nth-child(5),
  .redirect-table th:nth-child(6),
  .redirect-table td:nth-child(6),
  .redirect-table th:nth-child(7),
  .redirect-table td:nth-child(7) {
    display: none;
  }

  .nav__title {
    font-size: 1rem;
  }

  .modal {
    padding: 1.1rem;
  }
}