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

:root {
  --bg:        #0f0f1a;
  --surface:   #1a1a2e;
  --surface2:  #22223b;
  --border:    #2e2e4a;
  --text:      #e0e0f0;
  --muted:     #7070a0;
  --accent:    #7c6af7;
  --todo:      #4a90d9;
  --inprog:    #f7b26a;
  --done:      #3ecfcf;
  --danger:    #f76a6a;
  --radius:    10px;
  --card-r:    8px;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Segoe UI', system-ui, sans-serif;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Header */
header {
  padding: 2rem 2.5rem 1rem;
  border-bottom: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}

header h1 {
  font-size: 1.6rem;
  font-weight: 700;
  letter-spacing: -0.5px;
  color: #fff;
  text-align: center;
}

.subtitle {
  color: var(--muted);
  font-size: 0.85rem;
  margin-top: 2px;
  text-align: center;
}

.disconnect-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 150px;
  gap: 8px;
  padding: 10px 20px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  border: none;
  transition: transform 0.12s ease, background 0.12s;
  font-family: inherit;
  letter-spacing: 0.01em;
  margin-top: 20px;
  text-decoration: none;
  background-color: var(--text);
  color: var(--accent);
}

.disconnect-btn:active {
  transform: scale(0.97);
}

.disconnect-btn:hover {
  background-color: var(--accent);
  color: var(--text);
}

/* Board */
.board {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.2rem;
  padding: 1.5rem 2rem 2rem;
  flex: 1;
  align-items: start;
}


/* Column */
.column {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  min-height: 200px;
}

.col-header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.col-header h2 {
  font-size: 0.9rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text);
  flex: 1;
}
.col-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}
.dot-todo      { background: var(--todo); }
.dot-inprogress{ background: var(--inprog); }
.dot-done      { background: var(--done); }

.col-count {
  background: var(--surface2);
  color: var(--muted);
  font-size: 0.75rem;
  font-weight: 600;
  padding: 1px 7px;
  border-radius: 20px;
  border: 1px solid var(--border);
  min-width: 22px;
  text-align: center;
}

/* Cards container */
.cards {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  min-height: 60px;
  flex: 1;
}

/* Drop hover state */
.cards.ui-droppable-hover {
  background: rgba(124,106,247,0.06);
  border-radius: 6px;
  outline: 1.5px dashed var(--accent);
}

/* Cards */
.card {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: var(--card-r);
  padding: 0.65rem 0.75rem;
  cursor: grab;
  user-select: none;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  transition: transform 0.15s, box-shadow 0.15s, border-color 0.15s;
  position: relative;
}
.card:hover {
  border-color: var(--accent);
  box-shadow: 0 4px 16px rgba(0,0,0,0.35);
}
.card:active { cursor: grabbing; }

.card-text {
  font-size: 0.875rem;
  line-height: 1.4;
  color: var(--text);
}

.card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.card-user {
    font-size: 0.75rem;
    color: #8a8f98;
    margin-left: auto;
    margin-right: 8px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 100px;
}

.card-tag {
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 2px 8px;
  border-radius: 20px;
  background: color-mix(in srgb, var(--tag-color) 18%, transparent);
  color: var(--tag-color);
  border: 1px solid color-mix(in srgb, var(--tag-color) 35%, transparent);
}
.card-tag[data-tag="none"] { display: none; }

.card-delete {
  background: none;
  border: none;
  color: var(--muted);
  font-size: 1rem;
  cursor: pointer;
  line-height: 1;
  padding: 0 2px;
  opacity: 0;
  transition: opacity 0.15s, color 0.15s;
}
.card:hover .card-delete { opacity: 1; }
.card-delete:hover { color: var(--danger); }

/* Drop animation */
@keyframes cardDrop {
  from { opacity: 0; transform: translateY(-6px) scale(0.97); }
  to   { opacity: 1; transform: translateY(0)    scale(1); }
}
.card.just-dropped {
  animation: cardDrop 0.2s ease;
}

/* jQuery UI dragging helper */
.card.ui-draggable-dragging {
  opacity: 0.85;
  box-shadow: 0 8px 30px rgba(0,0,0,0.5);
  z-index: 999;
  cursor: grabbing !important;
  transform: rotate(1.5deg) scale(1.03);
  border-color: var(--accent);
}

.sortable-ghost {
    opacity: 0.4;
}

.sortable-chosen {
    cursor: grabbing;
}

.sortable-drag {
    opacity: 0.85;
    box-shadow: 0 8px 24px rgba(0,0,0,0.2);
}

/* Add button */
.add-btn {
  background: none;
  border: 1px dashed var(--border);
  color: var(--muted);
  border-radius: var(--card-r);
  padding: 0.5rem;
  width: 100%;
  font-size: 0.83rem;
  cursor: pointer;
  transition: border-color 0.15s, color 0.15s, background 0.15s;
  text-align: left;
}
.add-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: rgba(124,106,247,0.06);
}

/* Modal */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  backdrop-filter: blur(3px);
  z-index: 100;
  align-items: center;
  justify-content: center;
}
.modal-overlay.open { display: flex; }

.modal {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.5rem;
  width: 360px;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  box-shadow: 0 20px 60px rgba(0,0,0,0.6);
}
.modal h3 {
  font-size: 1rem;
  font-weight: 600;
}

#card-input {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 7px;
  color: var(--text);
  font-size: 0.9rem;
  padding: 0.6rem 0.8rem;
  width: 100%;
  outline: none;
  transition: border-color 0.15s;
}
#card-input:focus { border-color: var(--accent); }

.tag-row {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  flex-wrap: wrap;
}
.tag-label {
  font-size: 0.78rem;
  color: var(--muted);
  margin-right: 2px;
}
.tag-btn {
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 3px 10px;
  border-radius: 20px;
  border: 1px solid color-mix(in srgb, var(--tag) 40%, transparent);
  background: color-mix(in srgb, var(--tag) 12%, transparent);
  color: var(--tag);
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s;
}
.tag-btn.active {
  background: color-mix(in srgb, var(--tag) 30%, transparent);
  border-color: var(--tag);
}

.modal-actions {
  display: flex;
  gap: 0.6rem;
  justify-content: flex-end;
}
.modal-actions button {
  padding: 0.5rem 1.1rem;
  border-radius: 7px;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s;
  border: none;
}
#modal-cancel {
  background: var(--surface2);
  color: var(--muted);
  border: 1px solid var(--border);
}
#modal-cancel:hover { color: var(--text); }
#modal-confirm {
  background: var(--accent);
  color: var(--text);
}
#modal-confirm:hover { background: var(--accent); }

/* Login */
.login-board {
  display: flex;
  padding: 1.5rem 2rem 2rem;
  align-items: center;
  justify-content: center;
  flex-direction: column;
}

.login {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 1rem;
  min-height: 400px;
  width: 30%;
}

form {
  display: flex;
  flex-direction: column;
  gap: 20px;
  justify-content: center;
  align-items: center;
}

form input {
  height: 40px;
  width: 250px;
  text-align: center;
  border-radius: 8px;
}

.login-btn, .create-user-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 150px;
  gap: 8px;
  padding: 10px 20px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  border: none;
  transition: transform 0.12s ease, background 0.12s;
  font-family: inherit;
  letter-spacing: 0.01em;
  text-decoration: none;
  background-color: var(--text);
  color: var(--accent);
}

.create-user-btn:active, .login-btn:active {
  transform: scale(0.97);
}

.create-user-btn:hover, .login-btn:hover {
  background-color: var(--accent);
  color: var(--text);
}

/* Admin */
.admin-container {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.2rem;
  padding: 1.5rem 2rem 2rem;
  flex: 1;
  align-items: start;
}

table {
  border-radius: var(--radius);
}

table, th, td {
  border:1px solid var(--border);
}

tr {
  height: 30px;
}

th {
  background: var(--surface);
  font-size: 0.9rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text);
  height: 50px;
}

td {
  text-align: center;
  background: var(--surface2);
  font-size: 0.875rem;
  line-height: 1.4;
  color: var(--text);
}

.delete-user-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 75px;
  gap: 4px;
  padding: 5px 10px;
  border-radius: 8px;
  /* font-size: 14px; */
  font-weight: 500;
  cursor: pointer;
  border: none;
  transition: transform 0.12s ease, background 0.12s;
  font-family: inherit;
  letter-spacing: 0.01em;
  text-decoration: none;
  background-color: var(--text);
  color: var(--accent); 
  margin-left: 10px;
}

.delete-user-btn:active {
  transform: scale(0.97);
}

.delete-user-btn:hover {
  background-color: var(--accent);
  color: var(--text);
}

/* Create accounts */
.administration-board {
  padding: 2rem 2.5rem 1rem;
  border-bottom: 1px solid var(--border);
  text-align: center;
}

.create-user {
  text-align: center;
}

/* Responsive */
@media (max-width: 768px) {
  .board { grid-template-columns: 1fr; }

  .admin-container { grid-template-columns: 1fr; }
}