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

:root {
  --ink: #1a1a1a;
  --paper: #ffffff;
  --bg: #eceae5;
  --red: #c0392b;
  --gray: #888888;
  --lightgray: #cccccc;
  --blue: #5a7a9a;
  --green: #7a9a6a;
  --amber: #b8873f;
  --border: #d8d8d8;
  --border-dotted: #d0d0d0;
}

body {
  font-family: 'Share Tech Mono', monospace;
  background: var(--bg);
  color: var(--ink);
  min-height: 100vh;
}

.hidden { display: none !important; }
.cursor { animation: blink 1s step-start infinite; }
@keyframes blink { 50% { opacity: 0; } }

/* ---------- LOGIN ---------- */
.login-screen {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}
.login-box {
  background: var(--paper);
  border: 1px solid var(--ink);
  padding: 40px 48px;
  width: 320px;
  text-align: center;
}
.login-title { font-size: 22px; letter-spacing: 4px; margin-bottom: 6px; }
.login-sub { font-size: 9px; letter-spacing: 2px; color: var(--gray); margin-bottom: 24px; }
.login-input {
  width: 100%;
  font-family: 'Share Tech Mono', monospace;
  font-size: 13px;
  padding: 8px 10px;
  border: 1px solid var(--border);
  background: var(--paper);
  color: var(--ink);
  outline: none;
  margin-bottom: 12px;
  text-align: center;
  letter-spacing: 2px;
}
.login-input:focus { border-color: var(--ink); }
.login-btn {
  width: 100%;
  font-family: 'Share Tech Mono', monospace;
  font-size: 11px;
  letter-spacing: 2px;
  padding: 10px;
  background: var(--ink);
  color: var(--paper);
  border: none;
  cursor: pointer;
}
.login-btn:hover { background: var(--red); }
.login-error { font-size: 10px; color: var(--red); margin-top: 10px; min-height: 12px; }

/* ---------- APP SHELL ---------- */
.app { max-width: 900px; margin: 0 auto; padding: 20px 16px 60px; }

.topbar {
  background: var(--paper);
  border: 1px solid var(--ink);
  padding: 12px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 20px;
}
.brand { font-size: 14px; letter-spacing: 3px; }

.tabs { display: flex; gap: 4px; flex-wrap: wrap; }
.tab {
  font-family: 'Share Tech Mono', monospace;
  font-size: 10px;
  letter-spacing: 1.5px;
  padding: 6px 10px;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--gray);
  cursor: pointer;
}
.tab:hover { border-color: var(--ink); color: var(--ink); }
.tab.active { background: var(--ink); color: var(--paper); border-color: var(--ink); }

.topbar-right { display: flex; align-items: center; gap: 8px; }
.topbar-weekday {
  font-size: 10px;
  letter-spacing: 1.5px;
  color: var(--gray);
  border: 1px solid var(--border);
  padding: 5px 8px;
  text-transform: uppercase;
}
.date-input {
  font-family: 'Share Tech Mono', monospace;
  font-size: 11px;
  padding: 5px 8px;
  border: 1px solid var(--border);
  background: var(--paper);
  color: var(--ink);
}
.logout-btn {
  font-family: 'Share Tech Mono', monospace;
  font-size: 10px;
  letter-spacing: 1px;
  padding: 6px 10px;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--gray);
  cursor: pointer;
}
.logout-btn:hover { border-color: var(--red); color: var(--red); }

/* ---------- PANELS ---------- */
.content { background: var(--paper); border: 1px solid var(--ink); padding: 24px; min-height: 400px; }
.panel { display: none; }
.panel.active { display: block; }

.panel-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  border-bottom: 1px solid var(--ink);
  padding-bottom: 10px;
  margin-bottom: 16px;
}
.panel-title { font-size: 11px; letter-spacing: 3px; text-transform: uppercase; }
.panel-date { font-size: 11px; letter-spacing: 2px; color: var(--gray); }

/* ---------- ADD ROW / FORMS ---------- */
.add-row { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 20px; align-items: center; }
.text-input, .tag-input, .icon-input, .num-input, .select-input {
  font-family: 'Share Tech Mono', monospace;
  font-size: 12px;
  padding: 6px 9px;
  border: 1px solid var(--border);
  background: var(--paper);
  color: var(--ink);
  outline: none;
}
.text-input { flex: 1; min-width: 180px; }
.tag-input { width: 140px; }
.icon-input { width: 48px; text-align: center; }
.num-input { width: 70px; }
.text-input:focus, .tag-input:focus, .select-input:focus, .num-input:focus { border-color: var(--ink); }

.add-btn {
  font-family: 'Share Tech Mono', monospace;
  font-size: 11px;
  letter-spacing: 1px;
  padding: 7px 14px;
  background: transparent;
  border: 1px solid var(--ink);
  color: var(--ink);
  cursor: pointer;
  white-space: nowrap;
}
.add-btn:hover { background: var(--ink); color: var(--paper); }

/* ---------- TASK GROUPS ---------- */
.task-group { margin-bottom: 20px; }
.task-group-label {
  font-size: 8px;
  letter-spacing: 4px;
  text-transform: uppercase;
  margin-bottom: 6px;
}
.grp-work .task-group-label { color: var(--ink); }
.grp-personal .task-group-label { color: var(--blue); }
.grp-family .task-group-label { color: var(--green); }

.task-row {
  display: grid;
  grid-template-columns: 16px 1fr auto auto auto;
  align-items: center;
  gap: 10px;
  padding: 7px 0;
  border-bottom: 1px dotted var(--border-dotted);
}
.task-row:last-child { border-bottom: none; }
.task-row.done .task-text { text-decoration: line-through; color: var(--lightgray); }

.checkbox {
  width: 13px; height: 13px;
  border: 1px solid var(--ink);
  cursor: pointer;
  flex-shrink: 0;
}
.checkbox.checked { background: var(--ink); }

.task-text { font-size: 12.5px; letter-spacing: 0.3px; cursor: default; }
.task-row.pri-H .task-text { color: var(--red); }
.task-row.pri-L .task-text { color: var(--lightgray); }
.task-rolled { font-size: 9.5px; color: var(--amber); letter-spacing: 0.3px; }

.task-tag {
  font-size: 7.5px;
  letter-spacing: 0.5px;
  padding: 1px 5px;
  border: 1px solid var(--border);
  color: var(--gray);
  white-space: nowrap;
}

.pri-btn {
  font-family: 'Share Tech Mono', monospace;
  font-size: 9px;
  letter-spacing: 1px;
  padding: 2px 6px;
  border: 1px solid var(--border);
  background: transparent;
  cursor: pointer;
}
.pri-btn.pri-H { color: var(--red); border-color: var(--red); }
.pri-btn.pri-M { color: var(--gray); }
.pri-btn.pri-L { color: var(--lightgray); }

.del-btn {
  font-size: 13px;
  color: var(--lightgray);
  background: none;
  border: none;
  cursor: pointer;
  line-height: 1;
}
.del-btn:hover { color: var(--red); }

.footer-row {
  display: flex;
  justify-content: space-between;
  margin-top: 16px;
  padding-top: 12px;
  border-top: 1px solid var(--border);
  font-size: 9px;
  letter-spacing: 2px;
  color: var(--lightgray);
  text-transform: uppercase;
}

/* ---------- HABITS GRID (terminal heatmap) ---------- */
.habits-table { width: 100%; border-collapse: collapse; font-size: 11px; }
.habits-table th, .habits-table td { padding: 8px 6px; text-align: center; border-bottom: 1px dotted var(--border-dotted); }
.habits-table th { font-size: 9px; letter-spacing: 1px; color: var(--gray); font-weight: normal; }
.habit-name-cell { text-align: left !important; white-space: nowrap; }
.habit-block {
  display: inline-block;
  width: 16px;
  height: 16px;
  cursor: pointer;
  border: 1px solid var(--border);
  font-size: 11px;
  line-height: 14px;
}
.habit-block.done { background: var(--ink); color: var(--paper); }
.habit-block.done-past { background: var(--amber); border-color: var(--amber); color: var(--paper); }
.habit-block.off {
  border-color: var(--border-dotted);
  color: var(--lightgray);
  cursor: default;
  background: repeating-linear-gradient(45deg, var(--bg), var(--bg) 3px, var(--border-dotted) 3px, var(--border-dotted) 4px);
}
.habit-del { font-size: 12px; color: var(--lightgray); cursor: pointer; }
.habit-del:hover { color: var(--red); }
.streak-tag { font-size: 9px; color: var(--gray); margin-left: 6px; }
.habits-grid-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }

/* ---------- LISTS (food / sport) ---------- */
.list-row {
  display: grid;
  grid-template-columns: auto 1fr auto auto auto;
  gap: 10px;
  align-items: center;
  padding: 7px 0;
  border-bottom: 1px dotted var(--border-dotted);
  font-size: 12px;
}
.list-row:last-child { border-bottom: none; }
.list-meta { font-size: 9px; letter-spacing: 1px; color: var(--gray); text-transform: uppercase; }

.edit-btn {
  font-size: 12px;
  color: var(--lightgray);
  background: none;
  border: none;
  cursor: pointer;
  line-height: 1;
}
.edit-btn:hover { color: var(--ink); }

.food-edit-row {
  display: flex !important;
  gap: 8px;
  flex-wrap: wrap;
  align-items: center;
}
.food-edit-row .text-input { flex: 1; min-width: 160px; }

.food-summary {
  font-size: 12px;
  color: var(--gray);
  margin-bottom: 8px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.food-summary-row { padding: 6px 10px; border: 1px solid var(--border); }
.food-summary-totals { background: var(--paper); color: var(--gray); }
.food-summary-remaining { font-weight: bold; }
.food-summary-remaining.status-ok { border-color: var(--green); color: var(--green); background: color-mix(in srgb, var(--green) 10%, var(--paper)); }
.food-summary-remaining.status-low { border-color: var(--amber); color: var(--amber); background: color-mix(in srgb, var(--amber) 10%, var(--paper)); }
.food-summary-remaining.status-over { border-color: var(--red); color: var(--red); background: color-mix(in srgb, var(--red) 10%, var(--paper)); }

.goals-details { margin-bottom: 16px; font-size: 11px; color: var(--gray); }
.goals-details summary { cursor: pointer; letter-spacing: 1px; }
.goals-details .add-row { margin-top: 10px; margin-bottom: 0; }
.goal-field { display: flex; align-items: center; gap: 6px; font-size: 11px; color: var(--gray); }
.goal-field .num-input { width: 64px; }

.subsection-label {
  font-size: 9px;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--gray);
  border-bottom: 1px dotted var(--border-dotted);
  padding-bottom: 8px;
  margin: 24px 0 16px;
}
.subsection-label:first-of-type { margin-top: 0; }

/* ---------- DAY TOGGLES (habit scheduling) ---------- */
.day-toggle-row { display: flex; gap: 4px; flex-wrap: wrap; margin-bottom: 14px; }
.day-toggle {
  font-family: 'Share Tech Mono', monospace;
  font-size: 10px;
  letter-spacing: 0.5px;
  padding: 5px 8px;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--gray);
  cursor: pointer;
}
.day-toggle.active { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.habit-days-btn {
  font-size: 9px;
  letter-spacing: 0.5px;
  color: var(--gray);
  text-decoration: underline dotted;
  cursor: pointer;
  margin-left: 4px;
}
.habit-days-btn:hover { color: var(--ink); }
.habit-days-editor { background: var(--bg); padding: 10px !important; }
.habit-days-editor .day-toggle-row { margin-bottom: 0; }

/* ---------- RECAP ---------- */
.recap-block { margin-bottom: 20px; }
.recap-label { font-size: 9px; letter-spacing: 3px; color: var(--gray); text-transform: uppercase; margin-bottom: 8px; }
.recap-stat { font-size: 13px; margin-bottom: 4px; }
.recap-bar-track { width: 100%; height: 6px; background: var(--border); margin: 6px 0 14px; }
.recap-bar-fill { height: 100%; background: var(--ink); }
.recap-habit-row { display: flex; justify-content: space-between; padding: 4px 0; border-bottom: 1px dotted var(--border-dotted); font-size: 12px; }

/* ---------- BRIEFING ---------- */
.briefing-box { border: 1px solid var(--ink); padding: 14px 16px; margin-bottom: 20px; background: var(--bg); }
.briefing-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 10px; }
.digest-time { font-size: 9px; letter-spacing: 1px; color: var(--gray); text-transform: uppercase; }
.digest-box { border-color: var(--blue); }
.briefing-content { font-size: 13px; line-height: 1.5; }
.briefing-block { margin-bottom: 12px; }
.briefing-block:last-child { margin-bottom: 0; }
.briefing-label { font-size: 9px; letter-spacing: 2px; color: var(--gray); margin-bottom: 3px; }

/* ---------- DAY REVIEW ---------- */
.day-review-box { margin-bottom: 16px; }
.day-review-content {
  font-size: 13px;
  line-height: 1.5;
  color: var(--ink);
}
.day-review-content:not(:empty) {
  margin-top: 10px;
  padding: 12px 14px;
  border: 1px solid var(--ink);
  background: var(--bg);
}

/* ---------- RESPONSIVE ---------- */
@media (max-width: 640px) {
  .app { padding: 12px 8px 40px; }
  .content { padding: 14px; }
  .topbar { flex-direction: column; align-items: stretch; }
  .tabs { justify-content: center; }
  .task-row { grid-template-columns: 16px 1fr auto; }
  .task-row .pri-btn { display: none; }

  .list-row { grid-template-columns: auto 1fr auto auto; font-size: 11px; }
  .list-row .list-meta { display: none; }

  .habits-table { font-size: 10px; }
  .habits-table th, .habits-table td { padding: 6px 4px; }
  .habit-block { width: 13px; height: 13px; line-height: 11px; font-size: 9px; }
  .habit-name-cell { font-size: 10px; }
  .streak-tag { display: block; margin-left: 0; }

  .goal-field { flex: 1 1 45%; }
}

/* focus visibility */
button:focus-visible, input:focus-visible, select:focus-visible {
  outline: 2px solid var(--red);
  outline-offset: 1px;
}