@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@400;500;600;700&display=swap');
@import url('https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.7.2/css/all.min.css');

:root {
  --bg:#f4f6ff;
  --bg-accent:#ffffff;
  --card:rgba(255, 255, 255, 0.92);
  --card-border:rgba(129, 146, 239, 0.22);
  --text:#1b2240;
  --muted:#6f78a3;
  --accent:#5660ff;
  --accent-strong:#2f58ff;
  --accent-gradient:linear-gradient(135deg, #6f7bff 0%, #67d4ff 100%);
  --danger:#f24d64;
  --danger-strong:#d83a53;
  --border:rgba(149, 166, 238, 0.26);
  --surface-soft:rgba(240, 244, 255, 0.75);
  --card-shadow:0 26px 48px -30px rgba(70, 101, 214, 0.35);
}

* {
  box-sizing:border-box;
}

html,
body {
  margin:0;
  padding:0;
  color:var(--text);
  font:16px 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  line-height:1.55;
}

body {
  min-height:100vh;
  background-color:var(--bg);
  background-image:
    radial-gradient(circle at 12% -10%, rgba(125, 137, 255, 0.16), transparent 55%),
    radial-gradient(circle at 88% 0%, rgba(103, 212, 255, 0.2), transparent 52%),
    linear-gradient(180deg, #f9fbff 0%, #f1f4ff 100%);
  display:flex;
  flex-direction:column;
}

header {
  padding:48px 28px 72px;
  text-align:center;
  position:relative;
  overflow:hidden;
  isolation:isolate;
}

header::before,
header::after {
  content:"";
  position:absolute;
  inset:auto;
  width:420px;
  height:420px;
  border-radius:50%;
  background:radial-gradient(circle, rgba(103, 138, 255, 0.32) 0%, rgba(103, 138, 255, 0) 70%);
  filter:blur(0px);
  opacity:0.65;
  z-index:-1;
}

header::before {
  top:-240px;
  left:-220px;
}

header::after {
  bottom:-260px;
  right:-120px;
  background:radial-gradient(circle, rgba(110, 216, 255, 0.28) 0%, rgba(110, 216, 255, 0) 68%);
}

h1 {
  margin:0 0 12px;
  font-size:clamp(2.25rem, 5vw, 3.4rem);
  font-weight:700;
  letter-spacing:0.01em;
}

p {
  margin:0;
}

header p {
  max-width:720px;
  margin:0 auto;
  color:var(--muted);
  font-size:clamp(1rem, 2vw, 1.1rem);
}

header .eyebrow {
  display:inline-flex;
  align-items:center;
  gap:10px;
  margin-bottom:22px;
  padding:6px 16px;
  border-radius:999px;
  background:rgba(118, 130, 255, 0.15);
  border:1px solid rgba(118, 130, 255, 0.32);
  color:#2c3474;
  font-size:0.72rem;
  font-weight:600;
  letter-spacing:0.32em;
  text-transform:uppercase;
  box-shadow:0 12px 24px -18px rgba(107, 138, 255, 0.45);
}

header .eyebrow::before {
  content:"";
  width:8px;
  height:8px;
  border-radius:50%;
  background:var(--accent-gradient);
  box-shadow:0 0 0 4px rgba(111, 123, 255, 0.2);
}

main {
  width:min(1100px, 100%);
  margin:0 auto 96px;
  padding:0 28px 64px;
  display:flex;
  flex-direction:column;
  gap:26px;
  align-items:stretch;
}

.primary-column {
  display:flex;
  flex-direction:column;
  gap:26px;
}

.add-card {
  order:1;
}

.board-settings-card {
  order:2;
}

.items-card {
  order:3;
}

.card {
  background:var(--card);
  border:1px solid var(--card-border);
  border-radius:24px;
  padding:30px;
  box-shadow:var(--card-shadow);
  backdrop-filter:blur(18px);
}

.card h2 {
  margin:0 0 18px;
  font-size:1.35rem;
  font-weight:600;
  letter-spacing:0.01em;
}

.card-header {
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  margin-bottom:16px;
}

.card-controls {
  display:flex;
  align-items:center;
  justify-content:flex-end;
  gap:10px;
  flex-wrap:wrap;
}

.card-controls > * {
  flex:0 0 auto;
}



label {
  display:block;
  font-weight:600;
  margin:10px 0 8px;
  color:var(--text);
  letter-spacing:0.01em;
}

label.disabled {
  color:var(--muted);
  cursor:not-allowed;
}

label .icon-graphic {
  margin-left:6px;
  color:var(--muted);
  font-size:15px;
}

label[for="boardName"] {
  margin-top:0;
}

textarea,
input[type="text"],
input[type="password"],
input[type="file"] {
  width:100%;
  font:inherit;
  color:var(--text);
}

textarea,
input[type="text"],
input[type="password"] {
  background:rgba(255, 255, 255, 0.9);
  border:1px solid rgba(156, 175, 244, 0.55);
  border-radius:14px;
  padding:12px 14px;
  line-height:1.5;
  transition:border-color .2s ease, box-shadow .2s ease, background-color .2s ease;
  box-shadow:inset 0 1px 4px rgba(176, 190, 255, 0.3);
}

input[type="password"]:disabled {
  background:rgba(240, 242, 252, 0.8);
  border-color:rgba(156, 175, 244, 0.35);
  color:var(--muted);
  cursor:not-allowed;
}

textarea {
  min-height:130px;
  resize:vertical;
}

input[type="file"] {
  margin-top:8px;
  padding:8px 0;
  color:#4f598c;
}

.file-field {
  display:flex;
  flex-direction:column;
  gap:14px;
}

.file-drop-zone {
  position:relative;
  border:2px dashed rgba(128, 146, 239, 0.6);
  border-radius:18px;
  padding:26px 20px;
  background:linear-gradient(160deg, rgba(111, 123, 255, 0.08), rgba(103, 212, 255, 0.08));
  text-align:center;
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:6px;
  cursor:pointer;
  transition:border-color .25s ease, background .25s ease, transform .25s ease, box-shadow .25s ease;
  overflow:hidden;
}

.file-drop-zone::after {
  content:"";
  position:absolute;
  inset:0;
  pointer-events:none;
  border-radius:inherit;
  background:radial-gradient(circle at top, rgba(111, 123, 255, 0.12), transparent 65%);
  opacity:0;
  transition:opacity .25s ease;
}

.file-drop-zone:hover {
  border-color:rgba(111, 123, 255, 0.85);
  background:linear-gradient(160deg, rgba(111, 123, 255, 0.12), rgba(103, 212, 255, 0.1));
  box-shadow:0 18px 32px -24px rgba(96, 125, 255, 0.55);
}

.file-drop-zone:focus-visible {
  outline:none;
  border-color:var(--accent-strong);
  box-shadow:0 0 0 4px rgba(120, 154, 255, 0.3);
}

.file-drop-zone.is-drag-over {
  border-color:var(--accent-strong);
  background:linear-gradient(160deg, rgba(111, 123, 255, 0.18), rgba(103, 212, 255, 0.18));
  transform:translateY(-2px) scale(1.01);
  box-shadow:0 22px 40px -24px rgba(96, 125, 255, 0.65);
}

.file-drop-zone.is-drag-over::after {
  opacity:1;
  animation:file-drop-glow 1.4s ease-in-out infinite;
}

.file-drop-zone.has-file {
  border-style:solid;
}

.file-drop-icon {
  font-size:2rem;
  color:var(--accent);
}

.file-drop-instructions {
  margin:0;
  font-weight:600;
}

.file-drop-subtext {
  margin:0;
  color:var(--muted);
  font-size:0.85rem;
}

.file-drop-file-name {
  margin:8px 0 0;
  font-size:0.85rem;
  color:var(--muted);
}

.file-drop-zone.has-file .file-drop-file-name {
  color:var(--text);
  font-weight:500;
}

@keyframes file-drop-glow {
  0%,
  100% {
    box-shadow:0 0 0 0 rgba(86, 96, 255, 0.32), 0 22px 40px -24px rgba(96, 125, 255, 0.45);
  }
  50% {
    box-shadow:0 0 0 14px rgba(86, 96, 255, 0.08), 0 26px 44px -20px rgba(96, 125, 255, 0.65);
  }
}

textarea:focus,
input[type="text"]:focus,
input[type="password"]:focus {
  outline:none;
  border-color:rgba(120, 154, 255, 0.75);
  box-shadow:0 0 0 4px rgba(120, 154, 255, 0.18);
  background:#ffffff;
}

.hint {
  margin-top:12px;
  color:var(--muted);
  font-size:0.82rem;
}

.or {
  text-align:center;
  color:var(--muted);
  margin:16px 0;
  font-weight:500;
}

.actions {
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  margin-top:18px;
}

.actions button {
  flex:1 1 150px;
}

.board-settings {
  margin-top:30px;
  display:grid;
  gap:18px;
}

.board-settings-card .board-settings {
  margin-top:0;
}

.board-name-field,
.board-password-field {
  display:flex;
  flex-direction:column;
}

.input-with-control {
  display:flex;
  align-items:center;
  gap:10px;
}

.input-with-control input {
  flex:1 1 auto;
}

.input-with-control button {
  flex:0 0 auto;
}

.board-name-field .input-with-control input {
  flex:0 1 240px;
  width:min(100%, 240px);
}

.board-password-field input {
  width:min(100%, 240px);
}

button {
  appearance:none;
  border:1px solid rgba(133, 160, 255, 0.4);
  background:linear-gradient(135deg, rgba(111, 123, 255, 0.2), rgba(103, 212, 255, 0.16));
  color:var(--text);
  padding:10px 16px;
  border-radius:999px;
  cursor:pointer;
  font:500 0.95rem 'Poppins', sans-serif;
  transition:transform .2s ease, box-shadow .2s ease, border-color .2s ease, background .2s ease;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  backdrop-filter:blur(6px);
}

button:hover {
  transform:translateY(-1px);
  box-shadow:0 16px 32px -20px rgba(90, 128, 235, 0.55);
  border-color:rgba(143, 189, 255, 0.6);
  background:linear-gradient(135deg, rgba(111, 123, 255, 0.32), rgba(103, 212, 255, 0.24));
}

button:disabled {
  opacity:0.6;
  cursor:not-allowed;
  transform:none;
  box-shadow:none;
}

button.small {
  padding:8px 12px;
  font-size:0.82rem;
}

button.icon-only {
  width:40px;
  min-width:40px;
  height:40px;
  padding:8px;
}

button.danger {
  border-color:rgba(255, 140, 164, 0.45);
  background:linear-gradient(135deg, rgba(255, 150, 170, 0.28), rgba(243, 93, 125, 0.22));
  color:#65192b;
}

button.danger:hover {
  background:linear-gradient(135deg, rgba(255, 150, 170, 0.38), rgba(243, 93, 125, 0.3));
  border-color:rgba(255, 160, 180, 0.62);
  box-shadow:0 16px 28px -18px rgba(228, 92, 122, 0.45);
}

button.primary,
.actions button[type="submit"] {
  border:none;
  background:var(--accent-gradient);
  color:#ffffff;
  font-weight:600;
  box-shadow:0 20px 36px -18px rgba(96, 140, 255, 0.55);
}

button.primary:hover,
.actions button[type="submit"]:hover {
  background:linear-gradient(135deg, #7e87ff 0%, #54e4ff 100%);
  box-shadow:0 24px 46px -20px rgba(96, 140, 255, 0.6);
}

.icon {
  padding:8px;
}

.toggle {
  border-color:rgba(97, 241, 203, 0.45);
  background:linear-gradient(135deg, rgba(38, 191, 173, 0.2), rgba(94, 246, 220, 0.18));
  color:#114136;
  font-weight:600;
}

.toggle[aria-pressed="true"] {
  border-color:rgba(120, 157, 255, 0.55);
  background:linear-gradient(135deg, rgba(111, 123, 255, 0.28), rgba(103, 212, 255, 0.22));
  color:var(--text);
}

.toggle-label {
  font-weight:600;
}

.copy {
  border-color:rgba(108, 161, 255, 0.5);
  background:linear-gradient(135deg, rgba(111, 123, 255, 0.18), rgba(103, 212, 255, 0.14));
  color:#1f2b5f;
}

.copy:hover {
  border-color:rgba(138, 188, 255, 0.65);
  background:linear-gradient(135deg, rgba(111, 123, 255, 0.3), rgba(103, 212, 255, 0.22));
}

.copy.copied {
  border-color:rgba(91, 232, 186, 0.55);
  background:linear-gradient(135deg, rgba(45, 196, 162, 0.28), rgba(91, 232, 186, 0.24));
  color:#144233;
}

.list {
  display:flex;
  flex-direction:column;
  gap:14px;
}

.row {
  display:grid;
  grid-template-columns:minmax(0, 1fr) auto;
  gap:16px;
  align-items:flex-start;
  padding:18px 20px;
  border:1px solid rgba(156, 175, 244, 0.28);
  border-radius:20px;
  background:linear-gradient(160deg, rgba(255, 255, 255, 0.96), rgba(240, 245, 255, 0.86));
  box-shadow:0 18px 28px -24px rgba(85, 113, 214, 0.4);
}

.row .content {
  min-width:0;
  overflow-wrap:anywhere;
}

.row .content .file-preview {
  margin-bottom:0;
  display:inline-flex;
  max-width:100%;
  border-radius:14px;
  overflow:hidden;
  box-shadow:0 12px 22px -18px rgba(71, 144, 255, 0.55);
  border:1px solid rgba(149, 166, 238, 0.28);
  transition:transform .25s ease, box-shadow .25s ease;
}

.row .content .file-preview img {
  display:block;
  max-width:260px;
  max-height:180px;
  object-fit:cover;
}

.row .row-actions {
  display:flex;
  gap:8px;
  flex-wrap:wrap;
  justify-content:flex-end;
}

.row .row-actions button {
  flex:0 0 auto;
}

.row .row-actions .copy {
  width:38px;
  min-width:38px;
  border-radius:999px;
}

.row.is-editing .row-actions .copy,
.row.is-editing .row-actions .edit,
.row.is-editing .row-actions .delete {
  display:none;
}

.row .content a:not(.file-link) {
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:6px 14px;
  border-radius:999px;
  color:#ffffff;
  font-weight:600;
  text-decoration:none;
  background:var(--accent-gradient);
  box-shadow:0 12px 24px -16px rgba(71, 144, 255, 0.65);
  transition:background-color .2s ease, color .2s ease, box-shadow .2s ease, transform .2s ease;
}

.row .content a:not(.file-link)::after {
  content:'\2197';
  font-size:12px;
  transform:translateY(-1px);
  transition:transform .2s ease;
}

.row .content a:not(.file-link):hover {
  transform:translateY(-1px);
  box-shadow:0 18px 32px -18px rgba(71, 144, 255, 0.75);
}

.row .content a:not(.file-link):hover::after {
  transform:translate(2px, -1px);
}

.field-status {
  margin-top:6px;
  font-size:0.875rem;
  color:var(--muted);
}

.row .content a:not(.file-link):focus-visible {
  outline:3px solid rgba(111, 155, 255, 0.45);
  outline-offset:2px;
}

.row .content .file-link {
  display:inline-flex;
  flex-direction:column;
  gap:10px;
  align-items:flex-start;
  text-decoration:none;
}

.row .content .file-link:hover .file-preview,
.row .content .file-link:focus-visible .file-preview {
  transform:translateY(-4px);
  box-shadow:0 18px 30px -18px rgba(71, 144, 255, 0.68);
}

.row .content .file-link:focus-visible {
  outline:3px solid rgba(111, 155, 255, 0.45);
  outline-offset:4px;
  border-radius:14px;
}

.row .content .file-link .file-link-label {
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:6px 14px;
  border-radius:999px;
  color:#ffffff;
  font-weight:600;
  text-decoration:none;
  background:var(--accent-gradient);
  box-shadow:0 12px 24px -16px rgba(71, 144, 255, 0.65);
  transition:background-color .2s ease, color .2s ease, box-shadow .2s ease, transform .2s ease;
}

.row .content .file-link .file-link-label::after {
  content:'\2197';
  font-size:12px;
  transform:translateY(-1px);
  transition:transform .2s ease;
}

.row .content .file-link:hover .file-link-label {
  transform:translateY(-1px);
  box-shadow:0 18px 32px -18px rgba(71, 144, 255, 0.75);
}

.row .content .file-link:hover .file-link-label::after {
  transform:translate(2px, -1px);
}

.password-chip {
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:8px 12px;
  border:1px dashed rgba(138, 168, 255, 0.45);
  border-radius:12px;
  background:rgba(255, 255, 255, 0.85);
}

.password-label {
  display:inline-flex;
  align-items:center;
  gap:6px;
  color:var(--muted);
  font-weight:600;
}

.password-label::after {
  content:':';
}

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

.icon-graphic {
  flex:0 0 auto;
  pointer-events:none;
  font-size:16px;
  line-height:1;
}

.toggle .icon-graphic {
  font-size:14px;
}

.row .row-actions .icon-graphic {
  font-size:16px;
}

.password-label .icon-graphic {
  font-size:16px;
  color:var(--muted);
}

.eye-toggle {
  border:none;
  background:rgba(98, 132, 255, 0.12);
  color:var(--accent-strong);
  padding:4px 8px;
  border-radius:8px;
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:0.82rem;
  font-weight:600;
}

.eye-toggle:hover {
  background:rgba(98, 132, 255, 0.18);
}

.eye-toggle:focus-visible {
  outline:3px solid rgba(111, 155, 255, 0.45);
  outline-offset:2px;
}

.eye-toggle .icon-graphic {
  font-size:16px;
}

.eye-toggle .icon-graphic[hidden] {
  display:none;
}

.eye-toggle-label {
  display:inline-flex;
  align-items:center;
}

.edit-area {
  width:100%;
  min-height:90px;
  resize:vertical;
  padding:12px;
  border-radius:14px;
  border:1px solid rgba(156, 175, 244, 0.55);
  background:rgba(255, 255, 255, 0.94);
  color:var(--text);
  font:inherit;
  line-height:1.5;
}

.meta {
  color:var(--muted);
  font-size:0.75rem;
  margin-top:8px;
}

body.modal-open {
  overflow:hidden;
}

.modal {
  position:fixed;
  inset:0;
  display:flex;
  align-items:center;
  justify-content:center;
  padding:24px;
  opacity:0;
  pointer-events:none;
  transition:opacity .25s ease;
  z-index:1000;
  visibility:hidden;
}

.modal.open {
  opacity:1;
  pointer-events:auto;
  visibility:visible;
}

.modal-backdrop {
  position:absolute;
  inset:0;
  background:rgba(20, 28, 76, 0.55);
  backdrop-filter:blur(6px);
  opacity:0;
  transition:opacity .25s ease;
}

.modal.open .modal-backdrop {
  opacity:1;
}

.modal-dialog {
  position:relative;
  width:min(420px, 100%);
  border-radius:22px;
  padding:32px 28px 26px;
  background:var(--card);
  border:1px solid var(--card-border);
  box-shadow:0 32px 48px -24px rgba(67, 97, 213, 0.45);
  backdrop-filter:blur(16px);
  transform:translateY(18px);
  opacity:0;
  transition:transform .25s ease, opacity .25s ease;
}

.modal.open .modal-dialog {
  transform:translateY(0);
  opacity:1;
}

.modal-title {
  margin:0 0 12px;
  font-size:1.25rem;
  font-weight:600;
  letter-spacing:0.01em;
  color:var(--text);
}

.modal-message {
  color:var(--muted);
  font-size:0.95rem;
  line-height:1.6;
  margin-bottom:22px;
  word-break:break-word;
  white-space:pre-line;
}

.modal-message .password-prompt {
  display:flex;
  flex-direction:column;
  gap:10px;
  margin-top:12px;
}

.modal-message .password-prompt-description {
  margin:0;
  color:var(--muted);
}

.modal-message .password-prompt-label {
  font-weight:600;
  color:var(--text);
}

.modal-message .password-prompt-input {
  padding:12px 14px;
}

.modal-message .password-prompt-error {
  color:var(--danger);
  font-size:0.9rem;
}

.modal-actions {
  display:flex;
  justify-content:flex-end;
  gap:12px;
  flex-wrap:wrap;
}

.modal-actions > * {
  flex:0 0 auto;
}

.modal-ok,
.modal-cancel {
  min-width:110px;
}

.modal-cancel[hidden] {
  display:none;
}

.modal-close {
  position:absolute;
  top:14px;
  right:14px;
  width:38px;
  height:38px;
  border:none;
  border-radius:999px;
  background:rgba(255, 255, 255, 0.78);
  color:var(--text);
  box-shadow:0 18px 32px -22px rgba(67, 97, 213, 0.55);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  padding:0;
  transition:transform .2s ease, box-shadow .2s ease, background .2s ease;
}

.modal-close:hover,
.modal-close:focus-visible {
  transform:translateY(-1px);
  background:rgba(255, 255, 255, 0.92);
  box-shadow:0 24px 36px -20px rgba(67, 97, 213, 0.58);
}

.modal-close .icon-graphic {
  font-size:18px;
}

@media (min-width:900px) {
  main {
    display:grid;
    grid-template-columns:minmax(280px, 0.8fr) minmax(420px, 1.2fr);
    align-items:start;
    align-content:start;
    justify-content:center;
    gap:32px;
    margin-top:-48px;
  }

  .primary-column {
    gap:32px;
  }
}

@media (max-width:640px) {
  header {
    padding:72px 18px 52px;
  }

  header h1 {
    font-size:2.2rem;
  }

  header p {
    font-size:0.98rem;
  }

  main {
    margin:0 auto 72px;
    padding:0 18px 48px;
    gap:18px;
  }

  .primary-column {
    gap:18px;
  }

  .card {
    padding:22px;
    border-radius:20px;
  }

  .card-header {
    align-items:flex-start;
  }

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

  .actions button {
    flex:1 1 auto;
    width:100%;
  }

  .row {
    grid-template-columns:minmax(0, 1fr);
    gap:12px;
  }

  .row .row-actions {
    justify-content:flex-start;
    width:100%;
  }

  .row .row-actions button {
    flex:1 1 100%;
  }

  .row .row-actions button.icon-only,
  .row .row-actions .copy {
    flex:0 0 auto;
  }
}