:root {
  color-scheme: light;
  --bg: #e7f1f8;
  --bg-soft: #d5e8f4;
  --panel: rgba(255, 255, 255, 0.88);
  --panel-strong: rgba(255, 255, 255, 0.97);
  --border: rgba(0, 87, 137, 0.18);
  --text: #142235;
  --muted: #526a7f;
  --accent: #006cae;
  --accent-2: #d30a24;
  --gold: #d5a21b;
  --ok: #188553;
  --danger: #c53242;
  --shadow: 0 18px 46px rgba(0, 55, 92, 0.12);
}

[data-theme="dark"] {
  color-scheme: dark;
  --bg: #071928;
  --bg-soft: #0b2235;
  --panel: rgba(12, 33, 51, 0.90);
  --panel-strong: rgba(15, 42, 64, 0.98);
  --border: rgba(124, 190, 230, 0.24);
  --text: #edf7ff;
  --muted: #a9c3d7;
  --accent: #54b8f2;
  --accent-2: #ff5b70;
  --gold: #f2c64b;
  --ok: #52d18b;
  --danger: #ff6a78;
  --shadow: 0 18px 46px rgba(0, 0, 0, 0.30);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at top left, rgba(0, 108, 174, 0.16), transparent 30%),
    radial-gradient(circle at top right, rgba(211, 10, 36, 0.08), transparent 26%),
    linear-gradient(180deg, #f3f8fc 0%, var(--bg) 100%);
  color: var(--text);
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  font-size: 17px;
}

[data-theme="dark"] body {
  background:
    radial-gradient(circle at top left, rgba(84, 184, 242, 0.18), transparent 30%),
    radial-gradient(circle at top right, rgba(255, 91, 112, 0.12), transparent 26%),
    linear-gradient(180deg, #0e2c43 0%, var(--bg) 100%);
}

a {
  color: inherit;
}

button,
input,
select,
textarea,
summary {
  font: inherit;
}

button {
  min-height: 42px;
  padding: 0 15px;
  border: 0;
  border-radius: 8px;
  background: var(--accent);
  color: #fff;
  cursor: pointer;
  font-weight: 800;
}

button:hover {
  background: #00598f;
}

.danger {
  background: transparent;
  border: 1px solid rgba(197, 50, 66, 0.32);
  color: var(--danger);
}

.danger:hover {
  background: rgba(211, 10, 36, 0.08);
  color: var(--danger);
}

.top-tools {
  position: fixed;
  top: 18px;
  left: 18px;
  right: 18px;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  pointer-events: none;
}

.home-return,
.theme-toggle,
.refresh-status {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.90);
  color: var(--text);
  text-decoration: none;
  font-size: 14px;
  font-weight: 700;
  box-shadow: 0 14px 34px rgba(0, 14, 32, 0.20);
  backdrop-filter: blur(10px);
  pointer-events: auto;
}

[data-theme="dark"] .home-return,
[data-theme="dark"] .theme-toggle,
[data-theme="dark"] .refresh-status {
  background: rgba(12, 33, 51, 0.92);
}

.top-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  pointer-events: auto;
}

.brand-logo {
  flex: 0 0 auto;
  width: 42px;
  height: 44px;
  object-fit: contain;
  filter: drop-shadow(0 6px 10px rgba(0, 55, 92, 0.18));
}

.home-return::after {
  content: "Banik";
  display: inline-flex;
  align-items: center;
  margin-left: 2px;
  padding-left: 10px;
  border-left: 1px solid var(--border);
  color: var(--accent);
  font-weight: 900;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.theme-toggle {
  border-radius: 999px;
  background: var(--panel-strong);
  color: var(--accent);
}

.refresh-status {
  min-height: 42px;
  background: var(--panel-strong);
  color: var(--muted);
  font-weight: 800;
}

main {
  padding: 82px clamp(14px, 3vw, 32px) 42px;
}

h1,
h2,
h3,
p {
  margin: 0;
}

label {
  display: grid;
  gap: 7px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 800;
}

input,
select,
textarea {
  min-height: 42px;
  padding: 9px 11px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: #fff;
  color: var(--text);
}

[data-theme="dark"] input,
[data-theme="dark"] select,
[data-theme="dark"] textarea {
  background: rgba(3, 17, 28, 0.88);
}

textarea {
  resize: vertical;
}

.workspace {
  display: grid;
  gap: 20px;
  width: min(1520px, calc(100% - 12px));
  margin: 0 auto;
}

.summary,
.filter-form,
.task-form,
.column {
  border: 1px solid var(--border);
  background: var(--panel);
  box-shadow: var(--shadow);
  backdrop-filter: blur(8px);
}

.summary {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 18px;
  padding: 28px;
  border-radius: 24px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
  padding: 8px 12px;
  border-radius: 999px;
  background: #dff1fb;
  color: var(--accent);
  font-size: 14px;
  font-weight: 900;
  letter-spacing: 0;
  text-transform: uppercase;
}

[data-theme="dark"] .eyebrow,
[data-theme="dark"] .column > header span,
[data-theme="dark"] .owner {
  background: rgba(84, 184, 242, 0.14);
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 6px rgba(0, 108, 174, 0.12);
}

.summary h1 {
  font-size: clamp(34px, 5vw, 58px);
  line-height: 1.02;
}

.lede {
  max-width: 720px;
  margin-top: 10px;
  color: var(--muted);
  line-height: 1.45;
}

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

.counters span {
  min-width: 112px;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--panel-strong);
  text-align: center;
}

.counters strong {
  color: var(--accent);
  font-size: 24px;
}

.task-form {
  display: grid;
  grid-template-columns: minmax(260px, 1fr) 160px 170px auto;
  align-items: end;
  gap: 12px;
  padding: 16px;
  border-radius: 18px;
}

.filter-form {
  display: grid;
  grid-template-columns: minmax(240px, 1fr) 150px 170px 170px auto;
  align-items: end;
  gap: 12px;
  padding: 16px;
  border-radius: 18px;
}

.filter-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.clear-link {
  min-height: 42px;
  display: inline-flex;
  align-items: center;
  padding: 0 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--panel-strong);
  color: var(--accent);
  font-weight: 800;
  text-decoration: none;
}

[data-theme="dark"] .clear-link {
  background: rgba(15, 42, 64, 0.98);
}

.wide {
  min-width: 0;
}

.note-field {
  grid-column: 1 / 4;
}

.board {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.column {
  display: grid;
  align-content: start;
  gap: 12px;
  min-height: 360px;
  padding: 14px;
  border-radius: 18px;
}

.column > header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.column > header h2 {
  font-size: 20px;
}

.column > header span {
  min-width: 32px;
  padding: 5px 9px;
  border-radius: 999px;
  background: #dff1fb;
  color: var(--accent);
  font-weight: 900;
  text-align: center;
}

.task {
  display: grid;
  gap: 10px;
  padding: 14px;
  border: 1px solid var(--border);
  border-left: 6px solid var(--accent);
  border-radius: 14px;
  background: var(--panel-strong);
}

.priority-high {
  border-left-color: var(--accent-2);
}

.priority-normal {
  border-left-color: var(--accent);
}

.priority-low {
  border-left-color: var(--gold);
}

.task-head {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 10px;
}

.task h3 {
  overflow-wrap: anywhere;
  font-size: 18px;
  line-height: 1.25;
}

.task p {
  color: var(--muted);
  font-size: 15px;
  line-height: 1.4;
  white-space: pre-wrap;
}

.owner {
  flex: none;
  padding: 5px 9px;
  border: 1px solid rgba(0, 108, 174, 0.18);
  border-radius: 999px;
  background: #dff1fb;
  color: var(--accent);
  font-size: 13px;
  font-weight: 900;
}

.task-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  color: var(--muted);
  font-size: 13px;
}

.task-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}

.task-actions select {
  min-height: 42px;
}

.merge-box {
  width: 100%;
}

.merge-box summary {
  min-height: 42px;
  display: inline-flex;
  align-items: center;
  padding: 0 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--panel-strong);
  color: var(--accent);
  cursor: pointer;
  font-weight: 800;
}

.merge-box form {
  display: grid;
  gap: 8px;
  margin-top: 8px;
  padding: 10px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.58);
}

[data-theme="dark"] .merge-box form {
  background: rgba(3, 17, 28, 0.36);
}

.empty {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 110px;
  border: 1px dashed var(--border);
  border-radius: 14px;
  color: var(--muted);
}

@media (max-width: 920px) {
  .filter-form,
  .task-form,
  .board {
    grid-template-columns: 1fr;
  }

  .note-field {
    grid-column: auto;
  }
}

@media (max-width: 640px) {
  main {
    padding-top: 146px;
  }

  .top-tools {
    align-items: stretch;
    flex-direction: column;
    right: auto;
  }

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

  .summary {
    align-items: start;
    flex-direction: column;
    padding: 20px;
  }

  .counters {
    justify-content: flex-start;
  }

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

  .task-actions form,
  .task-actions button,
  .task-actions select,
  .filter-actions,
  .filter-actions button,
  .clear-link,
  .theme-toggle,
  .refresh-status {
    width: 100%;
  }
}