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

:root {
  --bg: #050505;
  --card-bg: rgba(255,255,255,0.03);
  --card-border: rgba(255,255,255,0.08);
  --card-border-hover: rgba(255,255,255,0.14);
  --text: #e8e8e8;
  --text-dim: #666;
  --text-mid: #999;
  --red: #f87171;
  --red-glow: rgba(248,113,113,0.15);
  --green: #4ade80;
  --green-glow: rgba(74,222,128,0.15);
  --blue: #38bdf8;
  --yellow: #fbbf24;
  --radius: 18px;
}

body {
  background-color: var(--bg);
  background-image:
    linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px);
  background-size: 40px 40px;
  color: var(--text);
  font-family: 'Inter', system-ui, sans-serif;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
}

.page { width: 100%; display: flex; justify-content: center; }

.card-wrap {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  max-width: 560px;
}

.card-bg-tag {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: clamp(12rem, 45vw, 22rem);
  font-weight: 800;
  color: rgba(255,255,255,0.03);
  letter-spacing: -0.04em;
  user-select: none;
  pointer-events: none;
  white-space: nowrap;
  z-index: 0;
}

/* ── Card ── */
.card {
  position: relative;
  z-index: 1;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 2.25rem;
  width: 100%;
  max-width: 460px;
  display: flex;
  flex-direction: column;
  gap: 1.4rem;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow:
    0 0 0 1px rgba(255,255,255,0.04) inset,
    0 24px 48px rgba(0,0,0,0.6),
    0 4px 12px rgba(0,0,0,0.4);
  transition: border-color 0.3s, box-shadow 0.3s;
  overflow: hidden;
}

.card:hover {
  border-color: var(--card-border-hover);
  box-shadow:
    0 0 0 1px rgba(255,255,255,0.06) inset,
    0 32px 64px rgba(0,0,0,0.7),
    0 4px 16px rgba(0,0,0,0.5);
}

/* ── Priority indicator (left border accent) ── */
.priority-indicator {
  position: absolute;
  top: 0; left: 0; bottom: 0;
  width: 3px;
  border-radius: var(--radius) 0 0 var(--radius);
  transition: background 0.3s;
}
.priority-indicator--high   { background: var(--red);    box-shadow: 0 0 12px var(--red-glow); }
.priority-indicator--medium { background: var(--yellow); box-shadow: 0 0 12px rgba(251,191,36,0.2); }
.priority-indicator--low    { background: var(--green);  box-shadow: 0 0 12px var(--green-glow); }

/* ── Card visual states ── */
.card.state-done {
  border-color: rgba(74,222,128,0.12);
  opacity: 0.75;
}
.card.state-overdue {
  border-color: rgba(248,113,113,0.2);
}
.card.state-in-progress {
  border-color: rgba(56,189,248,0.15);
}

/* Subtle top-edge glow */
.card__glow {
  position: absolute;
  top: 0; left: 10%; right: 10%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.18), transparent);
  pointer-events: none;
}

/* ── Header ── */
.card__header {
  display: flex;
  align-items: flex-start;
  gap: 0.9rem;
}

.card__title-group {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}

.card__title {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text);
  line-height: 1.45;
  letter-spacing: -0.01em;
  transition: color 0.25s;

}

.card__title.done {
  text-decoration: line-through;
  text-decoration-color: var(--text-dim);
  color: var(--text-dim);
}

/* ── Checkbox ── */
.checkbox-wrap {
  display: flex;
  align-items: center;
  flex-shrink: 0;
  margin-top: 2px;
  cursor: pointer;
}

.checkbox-wrap input[type="checkbox"] {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.checkbox-custom {
  width: 22px;
  height: 22px;
  border: 1.5px solid rgba(255,255,255,0.2);
  border-radius: 7px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255,255,255,0.03);
  transition: background 0.2s, border-color 0.2s, box-shadow 0.2s;
  flex-shrink: 0;
}

.checkbox-custom svg {
  width: 11px;
  height: 11px;
  color: #050505;
  opacity: 0;
  transform: scale(0.6);
  transition: opacity 0.15s, transform 0.15s;
}

.checkbox-wrap input:checked + .checkbox-custom {
  background: var(--green);
  border-color: var(--green);
  box-shadow: 0 0 12px var(--green-glow);
}

.checkbox-wrap input:checked + .checkbox-custom svg {
  opacity: 1;
  transform: scale(1);
}

.checkbox-wrap input:focus-visible + .checkbox-custom {
  outline: 2px solid rgba(255,255,255,0.5);
  outline-offset: 3px;
}

/* ── Badges ── */
.card__badges { display: flex; gap: 0.45rem; flex-wrap: wrap; margin-bottom: 15px;}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 0.28rem 0.65rem;
  border-radius: 999px;
  border: 1px solid transparent;
}

.badge__dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
  flex-shrink: 0;
}

.badge--high   { color: var(--red);    background: rgba(248,113,113,0.08); border-color: rgba(248,113,113,0.2); }
.badge--medium { color: var(--yellow); background: rgba(251,191,36,0.08);  border-color: rgba(251,191,36,0.2); }
.badge--low    { color: var(--green);  background: rgba(74,222,128,0.08);  border-color: rgba(74,222,128,0.2); }

.badge--status          { color: var(--blue);  background: rgba(56,189,248,0.08);  border-color: rgba(56,189,248,0.2); }
.badge--status.done     { color: var(--green); background: rgba(74,222,128,0.08);  border-color: rgba(74,222,128,0.2); }
.badge--status.pending  { color: var(--text-mid); background: rgba(255,255,255,0.05); border-color: rgba(255,255,255,0.1); }

/* ── Status control ── */
.status-control-wrap {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 15px;
}

.status-select {
  width: auto;
  min-width: 130px;
  font-size: 0.8rem;
  padding: 0.4rem 0.65rem;
}

/* ── Description / expand-collapse ── */
.description-wrap { display: flex; flex-direction: column; gap: 0.4rem; margin-bottom: 15px;}

.card__description-container {
  overflow: hidden;
  transition: max-height 0.3s ease;
}

.card__description-container.collapsed { max-height: 3.6em; }
.card__description-container.expanded  { max-height: 500px; }

.card__description {
  font-size: 0.875rem;
  color: var(--text-mid);
  line-height: 1.65;
}

.expand-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  background: none;
  border: none;
  color: var(--blue);
  font-family: inherit;
  font-size: 0.78rem;
  font-weight: 500;
  cursor: pointer;
  padding: 0;
  transition: opacity 0.2s;
}

.expand-toggle:hover { opacity: 0.75; }
.expand-toggle:focus-visible { outline: 2px solid rgba(255,255,255,0.4); outline-offset: 2px; border-radius: 3px; }

.expand-toggle__icon {
  width: 13px;
  height: 13px;
  transition: transform 0.25s;
}

.expand-toggle[aria-expanded="true"] .expand-toggle__icon { transform: rotate(180deg); }

/* ── Divider ── */
.card__divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.06), transparent);
}

/* ── Meta ── */
.card__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.25rem;
  margin-bottom: 15px;
}

.meta-item {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.8rem;
  color: var(--text-mid);
}

.meta-icon { width: 14px; height: 14px; flex-shrink: 0; opacity: 0.5; }

.meta-item--time { color: var(--red); }
.meta-item--time .meta-icon { opacity: 0.7; }
.meta-item--time.ok { color: var(--green); }
.meta-item--time.done-time { color: var(--green); }

/* ── Overdue badge ── */
.overdue-badge {
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--red);
  background: rgba(248,113,113,0.12);
  border: 1px solid rgba(248,113,113,0.25);
  border-radius: 999px;
  padding: 0.15rem 0.5rem;
}

.overdue-badge[hidden] { display: none; }

/* ── Tags ── */
.card__tags {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 15px;
}

.tag {
  font-size: 0.72rem;
  font-weight: 500;
  padding: 0.25rem 0.65rem;
  border-radius: 999px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  color: var(--text-mid);
  letter-spacing: 0.02em;
  transition: background 0.2s, border-color 0.2s;
}

.tag:hover { background: rgba(255,255,255,0.07); border-color: rgba(255,255,255,0.14); }

/* ── Actions ── */
.card__actions { display: flex; gap: 0.6rem; }

.btn {
  flex: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  padding: 0.6rem 1rem;
  border-radius: 10px;
  border: 1px solid rgba(255,255,255,0.08);
  background: rgba(255,255,255,0.04);
  color: var(--text-mid);
  font-family: inherit;
  font-size: 0.82rem;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.2s, border-color 0.2s, color 0.2s, box-shadow 0.2s;
}

.btn svg { width: 14px; height: 14px; flex-shrink: 0; }

.btn--edit:hover { background: rgba(255,255,255,0.08); border-color: rgba(255,255,255,0.16); color: var(--text); }

.btn--delete { color: rgba(248,113,113,0.7); border-color: rgba(248,113,113,0.15); background: rgba(248,113,113,0.04); }
.btn--delete:hover { background: rgba(248,113,113,0.1); border-color: rgba(248,113,113,0.3); color: var(--red); box-shadow: 0 0 16px rgba(248,113,113,0.1); }

.btn:focus-visible { outline: 2px solid rgba(255,255,255,0.4); outline-offset: 2px; }

/* ── Inline edit form ── */
.edit-form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.edit-form__actions {
  display: flex;
  gap: 0.6rem;
  justify-content: flex-end;
}

/* ── Form fields (shared with modal) ── */
.field { display: flex; flex-direction: column; gap: 0.4rem; }

.field-row { display: flex; gap: 0.75rem; }
.field-row .field { flex: 1; }

.field__label {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--text-mid);
  letter-spacing: 0.02em;
}

.field__input {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 9px;
  padding: 0.6rem 0.75rem;
  color: var(--text);
  font-family: inherit;
  font-size: 0.875rem;
  transition: border-color 0.2s, box-shadow 0.2s;
  width: 100%;
}

.field__input:focus {
  outline: none;
  border-color: rgba(255,255,255,0.25);
  box-shadow: 0 0 0 3px rgba(255,255,255,0.05);
}

.field__textarea { resize: vertical; min-height: 80px; }
.field__select { cursor: pointer; appearance: none; }
.field__select option { background: #1a1a1a; }

/* date input calendar icon color */
input[type="date"]::-webkit-calendar-picker-indicator { filter: invert(0.6); cursor: pointer; }

.btn--ghost { flex: none; background: transparent; border-color: rgba(255,255,255,0.08); color: var(--text-mid); }
.btn--ghost:hover { background: rgba(255,255,255,0.06); color: var(--text); }

.btn--save { flex: none; background: rgba(255,255,255,0.08); border-color: rgba(255,255,255,0.15); color: var(--text); }
.btn--save:hover { background: rgba(255,255,255,0.13); border-color: rgba(255,255,255,0.25); }

/* ── Delete Modal ── */
.modal {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

.modal[hidden] { display: none; }

.modal__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.75);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  animation: fadeIn 0.2s ease;
}

.modal__box {
  position: relative;
  background: #0f0f0f;
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius);
  padding: 1.75rem;
  width: 100%;
  max-width: 440px;
  box-shadow: 0 32px 64px rgba(0,0,0,0.8), 0 0 0 1px rgba(255,255,255,0.04) inset;
  animation: slideUp 0.22s cubic-bezier(0.16,1,0.3,1);
  overflow: hidden;
}

.modal__box--sm { max-width: 360px; }

.modal__glow {
  position: absolute;
  top: 0; left: 10%; right: 10%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
}

.modal__glow--red { background: linear-gradient(90deg, transparent, rgba(248,113,113,0.4), transparent); }

.modal__header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 1.25rem; }

.modal__title { font-size: 1rem; font-weight: 600; color: var(--text); letter-spacing: -0.01em; }

.modal__close {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 7px;
  border: 1px solid rgba(255,255,255,0.08);
  background: transparent;
  color: var(--text-mid);
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
}

.modal__close svg { width: 13px; height: 13px; }
.modal__close:hover { background: rgba(255,255,255,0.07); color: var(--text); }
.modal__close:focus-visible { outline: 2px solid rgba(255,255,255,0.4); outline-offset: 2px; }

.modal__body { font-size: 0.875rem; color: var(--text-mid); line-height: 1.6; margin-bottom: 1.5rem; }
.modal__body strong { color: var(--text); font-weight: 600; }

.modal__actions { display: flex; gap: 0.6rem; justify-content: flex-end; }

.btn--danger { flex: none; background: rgba(248,113,113,0.1); border-color: rgba(248,113,113,0.3); color: var(--red); }
.btn--danger:hover { background: rgba(248,113,113,0.18); border-color: rgba(248,113,113,0.5); box-shadow: 0 0 16px rgba(248,113,113,0.12); }

/* ── Responsive ── */
@media (max-width: 480px) {
  .card { padding: 1.5rem; border-radius: 14px; }
  .field-row { flex-direction: column; }
  .status-control-wrap { flex-direction: column; align-items: flex-start; }
}

@media (min-width: 768px) {
  .card__badges { flex-direction: row; }
}

@keyframes fadeIn  { from { opacity: 0 } to { opacity: 1 } }
@keyframes slideUp { from { opacity: 0; transform: translateY(12px) scale(0.98) } to { opacity: 1; transform: none } }