:root {
  --bg: #020617;
  --bg-soft: #020617;
  --card: #0b1120;
  --border-subtle: #1f2937;
  --accent: #38bdf8;
  --accent-soft: rgba(56, 189, 248, 0.15);
  --text: #e5e7eb;
  --text-soft: #9ca3af;
  --danger: #f97373;
  --success: #22c55e;
  --radius: 14px;
  --shadow-soft: 0 18px 40px rgba(15, 23, 42, 0.65);
  --font-sans: system-ui, -apple-system, BlinkMacSystemFont, "SF Pro Text",
    "Segoe UI", sans-serif;
}

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

html,
body {
  margin: 0;
  padding: 0;
  height: 100%;
}

body {
  font-family: var(--font-sans);
  background: radial-gradient(circle at top, #0f172a 0, #020617 50%, #020617 100%);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
}

.app-shell {
  min-height: 100vh;
  max-width: 1120px;
  margin: 0 auto;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

/* HEADER */

.app-header {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 12px 16px;
  border-radius: var(--radius);
  background: linear-gradient(135deg, rgba(15, 23, 42, 0.9), rgba(15, 23, 42, 0.6));
  border: 1px solid rgba(148, 163, 184, 0.18);
  box-shadow: 0 16px 40px rgba(15, 23, 42, 0.5);
  position: sticky;
  top: 8px;
  z-index: 20;
  backdrop-filter: blur(18px);
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-logo {
  width: 36px;
  height: 36px;
  border-radius: 999px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: radial-gradient(circle at 30% 0, #22c55e, #16a34a 40%, #0f172a 100%);
  box-shadow: 0 12px 30px rgba(34, 197, 94, 0.6);
  font-size: 20px;
}

.brand-text h1 {
  margin: 0;
  font-size: 1.2rem;
  letter-spacing: 0.02em;
}

.tagline {
  margin: 1px 0 0;
  font-size: 0.8rem;
  color: var(--text-soft);
}

/* NAV */

.main-nav {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.nav-btn {
  border-radius: 999px;
  border: 1px solid transparent;
  background: rgba(15, 23, 42, 0.85);
  color: var(--text-soft);
  padding: 6px 14px;
  font-size: 0.8rem;
  cursor: pointer;
}

.nav-btn-active {
  border-color: var(--accent);
  color: var(--accent);
  background: rgba(8, 47, 73, 0.8);
}

/* PANELS */

.panel {
  flex: 1;
}

.panel.hidden {
  display: none;
}

.panel.active {
  display: block;
}

/* VIEWS */

.view {
  display: none;
}

.view.active {
  display: block;
}

/* CARDS */

.card {
  background: radial-gradient(circle at top left, #111827, #020617 55%);
  border-radius: var(--radius);
  border: 1px solid rgba(31, 41, 55, 0.9);
  box-shadow: var(--shadow-soft);
  padding: 18px 16px 18px;
  margin-bottom: 16px;
}

.card h2,
.card h3 {
  margin-top: 0;
}

.hint {
  margin-top: 4px;
  margin-bottom: 10px;
  font-size: 0.85rem;
  color: var(--text-soft);
}

/* GRID */

.grid {
  display: grid;
  gap: 16px;
}

@media (min-width: 840px) {
  .grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

/* FORM ELEMENTS */

.field {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-bottom: 12px;
  font-size: 0.9rem;
}

.field span {
  color: var(--text-soft);
}

input[type="text"],
input[type="email"],
input[type="password"],
select,
textarea {
  border-radius: 10px;
  border: 1px solid rgba(55, 65, 81, 0.9);
  background: rgba(15, 23, 42, 0.9);
  color: var(--text);
  padding: 8px 10px;
  font-size: 0.9rem;
  outline: none;
}

input::placeholder,
textarea::placeholder {
  color: rgba(148, 163, 184, 0.7);
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px rgba(56, 189, 248, 0.4);
}

textarea {
  resize: vertical;
}

/* CHECKBOXES / RADIO */

.field.checkbox {
  flex-direction: row;
  align-items: center;
  gap: 8px;
}

.field.checkbox span {
  color: var(--text);
}

/* PILLS */

.pill-group {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  position: relative;
  cursor: pointer;
}

.pill input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.pill span {
  border-radius: 999px;
  border: 1px solid rgba(55, 65, 81, 0.9);
  padding: 6px 12px;
  font-size: 0.85rem;
  color: var(--text-soft);
  background: rgba(15, 23, 42, 0.9);
}

.pill input:checked + span {
  border-color: var(--accent);
  background: rgba(8, 47, 73, 0.85);
  color: var(--accent);
}

/* CHIPS (HALT) */

.halt {
  border-radius: 12px;
  border: 1px dashed rgba(75, 85, 99, 0.8);
  padding: 10px;
  margin: 12px 0;
}

.halt legend {
  font-size: 0.85rem;
  padding: 0 6px;
  color: var(--text-soft);
}

.halt-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 4px;
}

.chip {
  position: relative;
  cursor: pointer;
}

.chip input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.chip span {
  border-radius: 999px;
  border: 1px solid rgba(75, 85, 99, 0.9);
  padding: 4px 10px;
  font-size: 0.8rem;
  color: var(--text-soft);
  background: rgba(15, 23, 42, 0.9);
}

.chip input:checked + span {
  background: var(--accent-soft);
  border-color: var(--accent);
  color: var(--accent);
}

/* BUTTONS */

.btn-primary,
.btn-secondary,
.btn-link,
.btn-danger {
  border-radius: 999px;
  border: none;
  font-size: 0.9rem;
  padding: 8px 16px;
  cursor: pointer;
  transition: transform 0.05s ease-out, box-shadow 0.05s ease-out, background 0.15s;
}

.btn-primary {
  background: linear-gradient(135deg, #0ea5e9, #22c55e);
  color: #0b1120;
  box-shadow: 0 12px 30px rgba(14, 165, 233, 0.6);
}

.btn-primary:active {
  transform: translateY(1px);
  box-shadow: 0 6px 18px rgba(14, 165, 233, 0.4);
}

.btn-secondary {
  background: rgba(15, 23, 42, 0.9);
  color: var(--text-soft);
  border: 1px solid rgba(75, 85, 99, 0.9);
}

.btn-secondary:active {
  transform: translateY(1px);
}

.btn-link {
  background: transparent;
  color: var(--accent);
  padding-left: 0;
}

.btn-danger {
  background: rgba(248, 113, 113, 0.1);
  color: #fecaca;
  border: 1px solid rgba(248, 113, 113, 0.6);
}

/* ONBOARDING */

.onboarding-step.hidden {
  display: none;
}

.actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  margin-top: 16px;
}

/* HABIT LIST */

.habit-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.habit-item {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  padding: 8px 10px;
  border-radius: 10px;
  background: rgba(15, 23, 42, 0.9);
  border: 1px solid rgba(31, 41, 55, 0.9);
}

.habit-item input[type="checkbox"] {
  margin-top: 3px;
}

.habit-text {
  flex: 1;
  font-size: 0.88rem;
}

.habit-meta {
  font-size: 0.75rem;
  color: var(--text-soft);
}

/* STATUS LINES */

.status-line {
  margin-top: 6px;
  font-size: 0.8rem;
  min-height: 1em;
}

.status-line.ok {
  color: var(--success);
}

.status-line.error {
  color: var(--danger);
}

/* JOURNAL LIST */

.journal-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
  max-height: 340px;
  overflow: auto;
}

.journal-item {
  padding: 8px 10px;
  border-radius: 10px;
  background: rgba(15, 23, 42, 0.9);
  border: 1px solid rgba(31, 41, 55, 0.9);
}

.journal-item-title {
  font-size: 0.85rem;
  font-weight: 600;
}

.journal-item-meta {
  font-size: 0.75rem;
  color: var(--text-soft);
}

.journal-item-body {
  font-size: 0.85rem;
  margin-top: 4px;
  white-space: pre-wrap;
}

/* STATS */

.stats-summary {
  font-size: 0.9rem;
  line-height: 1.6;
}

/* IDENTITY TEXT */

.identity-line {
  font-weight: 500;
}

.values-line {
  font-size: 0.85rem;
  color: var(--text-soft);
}

/* SAFETY NOTE / FOOTER */

.safety-note {
  font-size: 0.75rem;
  color: var(--text-soft);
  margin-top: 18px;
}

.safety-list {
  font-size: 0.9rem;
  padding-left: 18px;
}

.app-footer {
  padding: 8px 4px 4px;
  text-align: center;
  font-size: 0.75rem;
  color: var(--text-soft);
}

/* HIDDEN UTIL */

.hidden {
  display: none !important;
}