:root {
  --c-navy:       #061743;
  --c-blue:       #4D7EA8;
  --c-gray:       #828489;
  --c-mauve:      #9E90A2;
  --c-col:        #B6C2D9;
  --c-card:       #ffffff;
  --c-text-dark:  #172b4d;
  --c-text-light: #ffffff;
  --c-muted:      rgba(255,255,255,0.55);
  --radius:       8px;
  --radius-sm:    4px;
  --shadow-card:  0 1px 4px rgba(9,30,66,0.22);
  --shadow-modal: 0 8px 32px rgba(0,0,0,0.45);
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--c-navy);
  color: var(--c-text-light);
  min-height: 100vh;
  font-size: 14px;
  line-height: 1.5;
}

button { font-family: inherit; cursor: pointer; border: none; }
input  { font-family: inherit; }

/* ── Top bar ──────────────────────────────────────────────────────────────── */

.top-bar {
  height: 48px;
  padding: 0 16px;
  display: flex;
  align-items: center;
  gap: 12px;
  background: rgba(0,0,0,0.25);
  flex-shrink: 0;
}

.logo {
  font-size: 17px;
  font-weight: 700;
  letter-spacing: 0.3px;
  display: flex;
  align-items: center;
  gap: 7px;
}
.logo-mark rect:nth-of-type(1) { fill: var(--c-col); }
.logo-mark rect:nth-of-type(2) { fill: var(--c-blue); }
.logo-mark rect:nth-of-type(3) { fill: var(--c-mauve); }

.back-btn {
  background: none;
  color: var(--c-text-light);
  font-size: 13px;
  padding: 5px 10px;
  border-radius: var(--radius-sm);
  opacity: 0.75;
  transition: opacity 0.1s, background 0.1s;
}
.back-btn:hover { opacity: 1; background: rgba(255,255,255,0.12); }

.board-name {
  font-size: 15px;
  font-weight: 600;
  padding: 3px 6px;
  border-radius: var(--radius-sm);
  cursor: text;
  transition: background 0.1s;
}
.board-name:hover { background: rgba(255,255,255,0.12); }

.board-name-input {
  font-size: 15px;
  font-weight: 600;
  color: var(--c-text-dark);
  background: white;
  border: 2px solid var(--c-blue);
  border-radius: var(--radius-sm);
  padding: 2px 6px;
  outline: none;
}

.top-bar-space { flex: 1; }

/* ── Home ─────────────────────────────────────────────────────────────────── */

.home-main {
  padding: 40px 32px;
  max-width: 960px;
  margin: 0 auto;
}

.boards-heading {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.2px;
  color: var(--c-muted);
  margin-bottom: 16px;
}

.board-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.board-thumb-wrapper {
  position: relative;
}

.board-thumb {
  width: 192px;
  height: 96px;
  background: var(--c-blue);
  border-radius: var(--radius);
  color: var(--c-text-light);
  font-size: 14px;
  font-weight: 600;
  text-align: left;
  padding: 12px;
  display: flex;
  align-items: flex-start;
  transition: filter 0.15s, transform 0.1s;
}
.board-thumb:hover { filter: brightness(1.14); transform: translateY(-2px); }

.board-delete-btn {
  position: absolute;
  top: 6px;
  right: 6px;
  background: rgba(0,0,0,0.35);
  color: white;
  width: 22px;
  height: 22px;
  border-radius: 3px;
  font-size: 15px;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.15s, background 0.1s;
}
.board-thumb-wrapper:hover .board-delete-btn { opacity: 1; }
.board-delete-btn:hover { background: rgba(180,30,30,0.7); }

.board-thumb--new {
  background: rgba(255,255,255,0.1);
  color: var(--c-muted);
  font-weight: 400;
  font-size: 13px;
}
.board-thumb--new:hover { background: rgba(255,255,255,0.16); filter: none; transform: none; }

/* ── Board view ───────────────────────────────────────────────────────────── */

.board-view {
  height: 100vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.columns-scroll {
  flex: 1;
  overflow-x: auto;
  overflow-y: auto;
  padding: 12px 16px 16px;
}

.columns-container {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  height: 100%;
  padding-bottom: 8px;
}

/* ── Columns ──────────────────────────────────────────────────────────────── */

.column {
  width: 272px;
  background: var(--c-col);
  border-radius: var(--radius);
  padding: 8px;
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  max-height: calc(100vh - 80px);
}

.column--add {
  background: rgba(255,255,255,0.13);
  color: var(--c-text-light);
  font-size: 14px;
  padding: 10px 14px;
  border-radius: var(--radius);
  width: 272px;
  text-align: left;
  flex-shrink: 0;
  align-self: flex-start;
  transition: background 0.1s;
  opacity: 0.85;
}
.column--add:hover { background: rgba(255,255,255,0.2); opacity: 1; }

.column-header {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 2px 2px 8px;
  cursor: grab;
  user-select: none;
}
.column-header:active { cursor: grabbing; }

.column-name {
  font-size: 14px;
  font-weight: 600;
  color: var(--c-text-dark);
  padding: 3px 6px;
  border-radius: var(--radius-sm);
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  cursor: text;
  transition: background 0.1s;
}
.column-name:hover { background: rgba(0,0,0,0.07); }

.column-name-input {
  font-size: 14px;
  font-weight: 600;
  color: var(--c-text-dark);
  border: 2px solid var(--c-blue);
  border-radius: var(--radius-sm);
  padding: 3px 6px;
  flex: 1;
  outline: none;
  background: white;
  min-width: 0;
}

.column-delete {
  color: var(--c-gray);
  font-size: 17px;
  line-height: 1;
  padding: 2px 5px;
  border-radius: var(--radius-sm);
  background: none;
  opacity: 0;
  flex-shrink: 0;
  transition: opacity 0.12s;
}
.column:hover .column-delete { opacity: 1; }
.column-delete:hover { background: rgba(0,0,0,0.1); color: #333; }

/* ── Cards ────────────────────────────────────────────────────────────────── */

.cards-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
  overflow-y: auto;
  flex: 1;
  min-height: 8px;
}

.card {
  background: var(--c-card);
  border-radius: var(--radius-sm);
  padding: 8px 10px;
  box-shadow: var(--shadow-card);
  display: flex;
  align-items: flex-start;
  gap: 6px;
  cursor: grab;
  transition: box-shadow 0.12s;
}
.card:hover { box-shadow: 0 3px 10px rgba(9,30,66,0.28); }
.card:active { cursor: grabbing; }

.card.sortable-ghost  { opacity: 0.35; }
.column.sortable-ghost { opacity: 0.4; }
.card.sortable-chosen { box-shadow: 0 4px 14px rgba(9,30,66,0.35); }

.card-title {
  font-size: 14px;
  color: var(--c-text-dark);
  line-height: 1.4;
  flex: 1;
  word-break: break-word;
}

.card-delete {
  background: none;
  color: var(--c-gray);
  font-size: 15px;
  line-height: 1;
  padding: 1px 3px;
  border-radius: 3px;
  opacity: 0;
  flex-shrink: 0;
  margin-top: 1px;
  transition: opacity 0.12s;
}
.card:hover .card-delete { opacity: 1; }
.card-delete:hover { color: #c0392b; }

.add-card-btn {
  background: none;
  color: var(--c-text-dark);
  font-size: 13px;
  padding: 6px 4px;
  text-align: left;
  border-radius: var(--radius-sm);
  margin-top: 4px;
  width: 100%;
  opacity: 0.55;
  transition: opacity 0.1s, background 0.1s;
}
.add-card-btn:hover { opacity: 1; background: rgba(0,0,0,0.06); }

/* ── Modal ────────────────────────────────────────────────────────────────── */

.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.55);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
}

.modal {
  background: var(--c-card);
  border-radius: var(--radius);
  padding: 20px;
  width: 300px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  box-shadow: var(--shadow-modal);
}

.modal h3 {
  color: var(--c-text-dark);
  font-size: 15px;
  font-weight: 600;
}

.modal-input {
  border: 2px solid var(--c-col);
  border-radius: var(--radius-sm);
  padding: 8px 10px;
  font-size: 14px;
  color: var(--c-text-dark);
  outline: none;
  width: 100%;
  transition: border-color 0.1s;
}
.modal-input:focus { border-color: var(--c-blue); }

.modal-actions { display: flex; gap: 8px; }

.btn {
  padding: 7px 14px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 500;
  background: rgba(0,0,0,0.08);
  color: var(--c-text-dark);
  transition: background 0.1s;
}
.btn:hover { background: rgba(0,0,0,0.14); }

.btn-primary { background: var(--c-blue); color: var(--c-text-light); }
.btn-primary:hover { background: #3d6e98; }

/* ── Auth pages ───────────────────────────────────────────────────────────── */

.auth-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.auth-card {
  background: var(--c-card);
  border-radius: var(--radius);
  padding: 32px;
  width: 340px;
  display: flex;
  flex-direction: column;
  gap: 20px;
  box-shadow: var(--shadow-modal);
}

.auth-card h1 {
  font-size: 22px;
  font-weight: 700;
  color: var(--c-text-dark);
  text-align: center;
}

.auth-card h2 {
  font-size: 16px;
  font-weight: 600;
  color: var(--c-text-dark);
  text-align: center;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group label {
  font-size: 12px;
  font-weight: 600;
  color: var(--c-gray);
  text-transform: uppercase;
  letter-spacing: 0.6px;
}

.form-input {
  border: 2px solid var(--c-col);
  border-radius: var(--radius-sm);
  padding: 9px 12px;
  font-size: 14px;
  color: var(--c-text-dark);
  outline: none;
  width: 100%;
  transition: border-color 0.1s;
}
.form-input:focus { border-color: var(--c-blue); }

.auth-submit {
  background: var(--c-blue);
  color: var(--c-text-light);
  border-radius: var(--radius-sm);
  padding: 10px;
  font-size: 14px;
  font-weight: 600;
  width: 100%;
  transition: background 0.1s;
}
.auth-submit:hover { background: #3d6e98; }

.auth-link {
  text-align: center;
  font-size: 13px;
  color: var(--c-gray);
}
.auth-link a { color: var(--c-blue); text-decoration: none; }
.auth-link a:hover { text-decoration: underline; }

.auth-error {
  display: none;
  background: rgba(192,57,43,0.1);
  color: #c0392b;
  border-left: 3px solid #c0392b;
  padding: 9px 12px;
  border-radius: var(--radius-sm);
  font-size: 13px;
}
.auth-error--visible { display: block; }

.auth-form {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.auth-form .auth-submit { margin-top: 8px; }

/* ── Members panel ────────────────────────────────────────────────────────── */

.members-btn {
  background: rgba(255,255,255,0.12);
  color: var(--c-text-light);
  font-size: 13px;
  padding: 5px 12px;
  border-radius: var(--radius-sm);
  transition: background 0.1s;
}
.members-btn:hover { background: rgba(255,255,255,0.2); }

.logout-btn {
  background: none;
  color: var(--c-muted);
  font-size: 13px;
  padding: 5px 12px;
  border-radius: var(--radius-sm);
  transition: color 0.1s, background 0.1s;
}
.logout-btn:hover { color: var(--c-text-light); background: rgba(255,255,255,0.1); }

.members-panel {
  position: fixed;
  top: 0; right: 0;
  width: 320px;
  height: 100vh;
  background: #0d2154;
  box-shadow: -4px 0 24px rgba(0,0,0,0.4);
  z-index: 50;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.members-header {
  padding: 16px 20px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.members-header h3 {
  font-size: 15px;
  font-weight: 600;
}

.members-close {
  background: none;
  color: var(--c-muted);
  font-size: 20px;
  line-height: 1;
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  transition: color 0.1s, background 0.1s;
}
.members-close:hover { color: white; background: rgba(255,255,255,0.1); }

.members-body { padding: 16px 20px; display: flex; flex-direction: column; gap: 20px; overflow-y: auto; flex: 1; }

.members-section h4 {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--c-muted);
  margin-bottom: 10px;
}

.member-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 6px 0;
}

.member-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--c-blue);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 600;
  flex-shrink: 0;
}

.member-name { font-size: 14px; flex: 1; }

.member-role {
  font-size: 11px;
  padding: 2px 7px;
  border-radius: 10px;
  background: rgba(255,255,255,0.12);
  color: var(--c-muted);
  text-transform: capitalize;
}

.member-role--owner { background: rgba(77,126,168,0.3); color: #a8c8e8; }

.member-remove {
  background: none;
  color: var(--c-muted);
  font-size: 16px;
  padding: 2px 5px;
  border-radius: 3px;
  transition: color 0.1s, background 0.1s;
}
.member-remove:hover { color: #ff7070; background: rgba(255,0,0,0.1); }

.invite-form {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

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

.invite-input {
  flex: 1;
  border: 2px solid rgba(255,255,255,0.15);
  border-radius: var(--radius-sm);
  padding: 7px 10px;
  font-size: 13px;
  color: white;
  background: rgba(255,255,255,0.08);
  outline: none;
  transition: border-color 0.1s;
}
.invite-input:focus { border-color: var(--c-blue); }
.invite-input::placeholder { color: var(--c-muted); }

.role-select {
  border: 2px solid rgba(255,255,255,0.15);
  border-radius: var(--radius-sm);
  padding: 7px 8px;
  font-size: 13px;
  color: white;
  background: rgba(255,255,255,0.08);
  outline: none;
  cursor: pointer;
}
.role-select option { background: #0d2154; }

.invite-btn {
  background: var(--c-blue);
  color: white;
  border-radius: var(--radius-sm);
  padding: 7px 14px;
  font-size: 13px;
  font-weight: 600;
  white-space: nowrap;
  transition: background 0.1s;
}
.invite-btn:hover { background: #3d6e98; }

.share-link-box {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.share-link-url {
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-sm);
  padding: 8px 10px;
  font-size: 12px;
  color: var(--c-muted);
  word-break: break-all;
  font-family: monospace;
}

.copy-btn {
  background: rgba(255,255,255,0.1);
  color: white;
  border-radius: var(--radius-sm);
  padding: 6px 12px;
  font-size: 12px;
  transition: background 0.1s;
  align-self: flex-start;
}
.copy-btn:hover { background: rgba(255,255,255,0.18); }

/* ── Loading & errors ─────────────────────────────────────────────────────── */

.loading {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 60px;
  color: var(--c-muted);
  font-size: 14px;
}

.board-load-error {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
  padding: 60px;
  color: var(--c-muted);
}

.error {
  background: rgba(192,57,43,0.12);
  color: #ff8070;
  border-left: 3px solid #ff8070;
  padding: 9px 12px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  margin: 8px 0;
}

.error-toast {
  position: fixed;
  bottom: 16px;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(192,57,43,0.9);
  color: #fff;
  padding: 10px 16px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  gap: 10px;
  z-index: 200;
  max-width: 420px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.35);
  font-size: 13px;
}
.error-toast-close {
  background: none;
  color: #fff;
  font-size: 16px;
  opacity: 0.7;
  padding: 0 4px;
  line-height: 1;
  flex-shrink: 0;
}
.error-toast-close:hover { opacity: 1; }

/* ── Language toggle ──────────────────────────────────────────────────────── */

.lang-toggle { display: flex; gap: 2px; }
.lang-btn {
  background: none;
  color: var(--c-muted);
  font-size: 12px;
  font-weight: 600;
  padding: 3px 7px;
  border-radius: var(--radius-sm);
  transition: color 0.1s, background 0.1s;
}
.lang-btn:hover { color: var(--c-text-light); }
.lang-btn--active { color: var(--c-text-light); background: rgba(255,255,255,0.15); }

/* ── Card body (title + description) ──────────────────────────────────────── */

.card-body {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 3px;
}
.card-desc {
  font-size: 12px;
  color: var(--c-gray);
  line-height: 1.4;
  white-space: pre-wrap;
  word-break: break-word;
}

/* ── Card edit description field ──────────────────────────────────────────── */

.modal-desc {
  border: 2px solid var(--c-col);
  border-radius: var(--radius-sm);
  padding: 8px 10px;
  font-size: 14px;
  color: var(--c-text-dark);
  outline: none;
  width: 100%;
  min-height: 84px;
  resize: vertical;
  transition: border-color 0.1s;
}
.modal-desc:focus { border-color: var(--c-blue); }