:root {
  --paper: #f4f1e9;
  --paper-2: #efeadf;
  --ink: #1c1a17;
  --ink-soft: #58524a;
  --line: #d8d1c2;
  --accent: #1c1a17;
  --card: #fffdf8;
  --shadow: 0 1px 0 rgba(28, 26, 23, 0.04), 0 8px 24px -16px rgba(28, 26, 23, 0.45);

  /* Priority palette */
  --p-red: #d6453f;
  --p-orange: #e07b39;
  --p-yellow: #e6b324;
  --p-green: #4c9a5a;
  --p-blue: #3f6fd6;
  --p-purple: #7a5cd1;
  --p-gray: #9a9286;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  height: 100%;
  background-color: var(--paper);
  background-image:
    linear-gradient(rgba(28, 26, 23, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(28, 26, 23, 0.035) 1px, transparent 1px);
  background-size: 28px 28px;
  color: var(--ink);
  font-family: "IBM Plex Sans", sans-serif;
  -webkit-font-smoothing: antialiased;
}

.hidden { display: none !important; }

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

/* ===================== LOGIN ===================== */
.login-screen {
  position: fixed;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 24px;
}
.login-card {
  width: 100%;
  max-width: 380px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 44px 38px 38px;
  box-shadow: var(--shadow);
  text-align: center;
  animation: rise 0.6s cubic-bezier(0.2, 0.8, 0.2, 1) both;
}
.login-mark {
  font-family: "Fraunces", serif;
  font-weight: 900;
  font-size: 42px;
  letter-spacing: 1px;
}
.login-sub {
  margin: 6px 0 28px;
  color: var(--ink-soft);
  font-size: 14px;
  letter-spacing: 0.5px;
}
#login-form { display: flex; flex-direction: column; gap: 12px; }
#password {
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--paper-2);
  font-size: 16px;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}
#password:focus {
  border-color: var(--ink);
  box-shadow: 0 0 0 3px rgba(28, 26, 23, 0.08);
}
#login-form button {
  padding: 14px;
  border: none;
  border-radius: 12px;
  background: var(--ink);
  color: var(--paper);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.5px;
  transition: transform 0.12s, opacity 0.2s;
}
#login-form button:hover { transform: translateY(-1px); }
#login-form button:active { transform: translateY(0); }
.login-error {
  color: var(--p-red);
  font-size: 13px;
  min-height: 16px;
}

/* ===================== TOPBAR ===================== */
.app { min-height: 100%; display: flex; flex-direction: column; }
.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 28px;
  background: rgba(244, 241, 233, 0.82);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.brand { display: flex; align-items: baseline; gap: 12px; }
.brand-mark {
  font-family: "Fraunces", serif;
  font-weight: 900;
  font-size: 26px;
  letter-spacing: 0.5px;
}
.brand-sub { color: var(--ink-soft); font-size: 13px; letter-spacing: 1px; text-transform: uppercase; }
.topbar-actions { display: flex; gap: 10px; }

/* ===================== BUTTONS ===================== */
.btn {
  border: 1px solid var(--line);
  background: var(--card);
  color: var(--ink);
  padding: 9px 14px;
  border-radius: 10px;
  font-size: 13.5px;
  font-weight: 500;
  transition: transform 0.12s, background 0.2s, border-color 0.2s;
}
.btn:hover { transform: translateY(-1px); border-color: var(--ink); }
.btn.small { padding: 9px 12px; }
.btn.ghost { background: transparent; }
.btn.primary { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.btn.danger { color: var(--p-red); border-color: rgba(214, 69, 63, 0.4); background: transparent; }
.btn.danger:hover { background: rgba(214, 69, 63, 0.08); border-color: var(--p-red); }

/* ===================== BOARD ===================== */
.board {
  flex: 1;
  display: flex;
  gap: 18px;
  align-items: flex-start;
  padding: 26px 28px 60px;
  overflow-x: auto;
}
.column {
  flex: 0 0 300px;
  display: flex;
  flex-direction: column;
  max-height: calc(100vh - 140px);
  animation: rise 0.5s cubic-bezier(0.2, 0.8, 0.2, 1) both;
}
.column-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 4px 6px 12px;
  border-bottom: 2px solid var(--ink);
  margin-bottom: 14px;
}
.column-title {
  font-family: "Fraunces", serif;
  font-weight: 600;
  font-size: 22px;
  letter-spacing: 0.2px;
  border: none;
  background: transparent;
  color: var(--ink);
  outline: none;
  width: 100%;
  padding: 2px 0;
}
.column-title:focus { border-bottom: 1px dashed var(--ink-soft); }
.column-menu { position: relative; }
.col-dots {
  border: none;
  background: transparent;
  font-size: 20px;
  line-height: 1;
  color: var(--ink-soft);
  padding: 2px 8px;
  border-radius: 8px;
}
.col-dots:hover { background: var(--paper-2); color: var(--ink); }
.menu {
  position: absolute;
  right: 0;
  top: 30px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
  box-shadow: var(--shadow);
  overflow: hidden;
  z-index: 30;
  min-width: 180px;
}
.menu button {
  display: block;
  width: 100%;
  text-align: left;
  border: none;
  background: transparent;
  padding: 11px 14px;
  font-size: 13.5px;
  color: var(--ink);
}
.menu button:hover { background: var(--paper-2); }
.menu button.danger { color: var(--p-red); }

.column-body {
  display: flex;
  flex-direction: column;
  gap: 10px;
  overflow-y: auto;
  padding: 2px 2px 8px;
}

/* ===================== CARD ===================== */
.card {
  position: relative;
  background: var(--card);
  border: 1px solid var(--line);
  border-left: 4px solid var(--p-gray);
  border-radius: 12px;
  padding: 13px 14px 12px;
  box-shadow: var(--shadow);
  cursor: pointer;
  transition: transform 0.14s, box-shadow 0.2s;
}
.card:hover { transform: translateY(-2px); box-shadow: 0 1px 0 rgba(28,26,23,.04), 0 14px 30px -16px rgba(28,26,23,.5); }
.card[data-color="red"]    { border-left-color: var(--p-red); }
.card[data-color="orange"] { border-left-color: var(--p-orange); }
.card[data-color="yellow"] { border-left-color: var(--p-yellow); }
.card[data-color="green"]  { border-left-color: var(--p-green); }
.card[data-color="blue"]   { border-left-color: var(--p-blue); }
.card[data-color="purple"] { border-left-color: var(--p-purple); }
.card[data-color="gray"]   { border-left-color: var(--p-gray); }

.card-title { font-size: 14.5px; font-weight: 500; line-height: 1.4; }
.card-desc {
  margin-top: 5px;
  font-size: 12.5px;
  color: var(--ink-soft);
  line-height: 1.45;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.card-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 11px;
}
.card-check {
  border: 1px solid var(--line);
  background: transparent;
  color: var(--ink-soft);
  font-size: 12px;
  font-weight: 500;
  padding: 5px 10px;
  border-radius: 8px;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  transition: background 0.18s, color 0.18s, border-color 0.18s;
}
.card-check:hover { background: var(--p-green); color: #fff; border-color: var(--p-green); }
.card-note { font-size: 11px; color: var(--ink-soft); letter-spacing: 0.4px; }

.add-card {
  border: 1px dashed var(--line);
  background: transparent;
  color: var(--ink-soft);
  padding: 11px;
  border-radius: 12px;
  font-size: 13px;
  font-weight: 500;
  transition: border-color 0.2s, color 0.2s, background 0.2s;
}
.add-card:hover { border-color: var(--ink); color: var(--ink); background: var(--paper-2); }

.done-count {
  margin-top: 12px;
  border: none;
  background: transparent;
  color: var(--ink-soft);
  font-size: 12px;
  letter-spacing: 0.4px;
  text-align: left;
  padding: 4px 2px;
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-color: var(--line);
}
.done-count:hover { color: var(--ink); }

/* ===================== MODAL ===================== */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(28, 26, 23, 0.34);
  backdrop-filter: blur(3px);
  display: grid;
  place-items: center;
  z-index: 50;
  padding: 24px;
  animation: fade 0.2s ease both;
}
.modal {
  position: relative;
  width: 100%;
  max-width: 520px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 30px 30px 24px;
  box-shadow: 0 30px 80px -30px rgba(28, 26, 23, 0.7);
  animation: rise 0.32s cubic-bezier(0.2, 0.8, 0.2, 1) both;
  max-height: 88vh;
  overflow-y: auto;
}
.modal.wide { max-width: 640px; }
.modal-close {
  position: absolute;
  top: 16px;
  right: 18px;
  border: none;
  background: transparent;
  font-size: 26px;
  line-height: 1;
  color: var(--ink-soft);
}
.modal-close:hover { color: var(--ink); }
.modal-head { margin-bottom: 18px; }
.modal-eyebrow {
  font-size: 11px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--ink-soft);
}
.modal-head h2 {
  font-family: "Fraunces", serif;
  font-weight: 600;
  font-size: 26px;
  margin: 4px 0 0;
}
.field-label {
  display: block;
  font-size: 12px;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin: 16px 0 6px;
}
.field {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 11px;
  background: var(--paper-2);
  padding: 12px 14px;
  font-size: 15px;
  font-family: inherit;
  color: var(--ink);
  outline: none;
  resize: vertical;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.field:focus { border-color: var(--ink); box-shadow: 0 0 0 3px rgba(28, 26, 23, 0.07); }

.color-picker { display: flex; gap: 10px; flex-wrap: wrap; }
.swatch {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform 0.12s, box-shadow 0.2s;
  position: relative;
}
.swatch:hover { transform: scale(1.1); }
.swatch.selected { box-shadow: 0 0 0 2px var(--card), 0 0 0 4px var(--ink); }
.swatch[data-color="red"]    { background: var(--p-red); }
.swatch[data-color="orange"] { background: var(--p-orange); }
.swatch[data-color="yellow"] { background: var(--p-yellow); }
.swatch[data-color="green"]  { background: var(--p-green); }
.swatch[data-color="blue"]   { background: var(--p-blue); }
.swatch[data-color="purple"] { background: var(--p-purple); }
.swatch[data-color="gray"]   { background: var(--p-gray); }

.modal-actions { display: flex; align-items: center; gap: 10px; margin-top: 26px; }
.modal-actions .spacer { flex: 1; }

/* ===================== DONE LIST ===================== */
.done-list { display: flex; flex-direction: column; gap: 10px; margin-top: 6px; }
.done-empty { color: var(--ink-soft); font-size: 14px; padding: 20px 0; text-align: center; }
.done-item {
  border: 1px solid var(--line);
  border-left: 4px solid var(--p-gray);
  border-radius: 11px;
  padding: 12px 14px;
  background: var(--paper-2);
}
.done-item[data-color="red"]    { border-left-color: var(--p-red); }
.done-item[data-color="orange"] { border-left-color: var(--p-orange); }
.done-item[data-color="yellow"] { border-left-color: var(--p-yellow); }
.done-item[data-color="green"]  { border-left-color: var(--p-green); }
.done-item[data-color="blue"]   { border-left-color: var(--p-blue); }
.done-item[data-color="purple"] { border-left-color: var(--p-purple); }
.done-title-row { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.done-item-title { font-size: 14px; font-weight: 500; }
.done-item-title.struck { text-decoration: line-through; color: var(--ink-soft); }
.done-item-desc { font-size: 12.5px; color: var(--ink-soft); margin-top: 5px; line-height: 1.45; }
.done-meta { font-size: 11px; color: var(--ink-soft); letter-spacing: 0.3px; white-space: nowrap; }
.done-reopen {
  border: 1px solid var(--line);
  background: transparent;
  font-size: 11.5px;
  padding: 4px 9px;
  border-radius: 7px;
  color: var(--ink-soft);
}
.done-reopen:hover { border-color: var(--ink); color: var(--ink); }

/* ===================== ANIM ===================== */
@keyframes rise { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }
@keyframes fade { from { opacity: 0; } to { opacity: 1; } }

::-webkit-scrollbar { height: 10px; width: 10px; }
::-webkit-scrollbar-thumb { background: var(--line); border-radius: 20px; border: 3px solid var(--paper); }
::-webkit-scrollbar-thumb:hover { background: var(--ink-soft); }