/* ===== Aura — style.css v1 ===== */
/* Mobile-first dark theme, purple palette, migraine-safe UI */

/* ===== CSS Variables ===== */
:root {
  /* Purple palette */
  --color-bg:              #1a1625;
  --color-surface:         #231e35;
  --color-surface-raised:  #2d2748;
  --color-surface-hover:   #3d3660;
  --color-primary:         #534AB7;
  --color-primary-light:   #7F77DD;
  --color-primary-faint:   #AFA9EC;
  --color-primary-subtle:  #26215C;

  /* Text */
  --color-text:            #EEEDFE;
  --color-text-secondary:  #AFA9EC;
  --color-text-muted:      #6b6490;

  /* Severity */
  --color-severe:          #F09595;
  --color-moderate:        #FAC775;
  --color-mild:            #C0DD97;

  /* Semantic */
  --color-danger:          #F09595;
  --color-warning:         #FAC775;
  --color-success:         #C0DD97;
  --color-border:          #3d3660;

  /* Layout */
  --nav-height:            64px;

  /* Radius */
  --radius-sm:   8px;
  --radius-md:   12px;
  --radius-lg:   16px;
  --radius-full: 9999px;

  /* Spacing */
  --sp-1: 4px;
  --sp-2: 8px;
  --sp-3: 12px;
  --sp-4: 16px;
  --sp-5: 20px;
  --sp-6: 24px;
  --sp-8: 32px;
}

[data-theme="light"] {
  --color-bg:             #f5f3ff;
  --color-surface:        #ffffff;
  --color-surface-raised: #ede9fe;
  --color-surface-hover:  #ddd6fe;
  --color-primary-subtle: #ede9fe;
  --color-text:           #1e1b4b;
  --color-text-secondary: #4338ca;
  --color-text-muted:     #7c6fd4;
  --color-border:         #c4b5fd;
}

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

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background-color: var(--color-bg);
  color: var(--color-text);
  min-height: 100vh;
  padding-bottom: var(--nav-height);
  line-height: 1.5;
}

/* ===== Typography ===== */
h1 { font-size: 1.5rem;  font-weight: 700; }
h2 { font-size: 1.25rem; font-weight: 600; }
h3 { font-size: 1.1rem;  font-weight: 600; }

/* ===== Layout ===== */
.page {
  max-width: 480px;
  margin: 0 auto;
  padding: 0 var(--sp-4) var(--sp-8);
}

/* ===== Bottom Navigation ===== */
.bottom-nav {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  display: flex;
  z-index: 100;
}

.nav-item {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  text-decoration: none;
  color: var(--color-text-muted);
  font-size: 0.7rem;
  min-height: 48px;
}

.nav-item.active {
  color: var(--color-primary-light);
}

.nav-icon {
  font-size: 1.4rem;
  line-height: 1;
}

/* ===== Cards ===== */
.card {
  background: var(--color-surface);
  border-radius: var(--radius-md);
  padding: var(--sp-4);
  border: 1px solid var(--color-border);
  margin-bottom: var(--sp-4);
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 var(--sp-4);
  height: 48px;
  border-radius: var(--radius-md);
  font-size: 1rem;
  font-weight: 600;
  border: none;
  cursor: pointer;
  text-decoration: none;
  min-width: 48px;
  color: var(--color-text);
}

.btn-primary {
  background: var(--color-primary);
  color: #fff;
}

.btn-primary:active { background: var(--color-primary-light); }

.btn-danger {
  background: #7d191e;
  color: #fff;
}

.btn-ghost {
  background: transparent;
  color: var(--color-text-secondary);
  border: 1px solid var(--color-border);
}

.btn-full  { width: 100%; }
.btn-lg    { height: 56px; font-size: 1.1rem; }

/* ===== Form inputs ===== */
input[type="text"],
input[type="number"],
input[type="tel"],
input[type="datetime-local"],
textarea,
select {
  width: 100%;
  background: var(--color-surface-raised);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text);
  font-size: 1rem;
  padding: var(--sp-3) var(--sp-4);
  height: 48px;
  outline: none;
  -webkit-appearance: none;
  appearance: none;
}

textarea {
  height: auto;
  resize: vertical;
  min-height: 80px;
}

input:focus,
textarea:focus,
select:focus {
  border-color: var(--color-primary-light);
}

/* ===== Date Navigator ===== */
.date-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--sp-4) 0 var(--sp-5);
}

.date-nav-btn {
  width: 48px;
  height: 48px;
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  border-radius: var(--radius-sm);
  color: var(--color-text-secondary);
  font-size: 1.4rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}

.date-nav-label {
  font-size: 1.1rem;
  font-weight: 600;
}

/* ===== Trigger Grid ===== */
.category-section {
  margin-bottom: var(--sp-6);
}

.category-header {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-muted);
  margin-bottom: var(--sp-3);
  padding-bottom: var(--sp-2);
  border-bottom: 1px solid var(--color-border);
}

.trigger-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--sp-2);
}

.trigger-btn {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  min-height: 52px;
  padding: var(--sp-3);
  background: var(--color-surface-raised);
  border: 2px solid transparent;
  border-radius: var(--radius-md);
  cursor: pointer;
  color: var(--color-text-secondary);
  font-size: 0.875rem;
  font-weight: 500;
  text-align: left;
  width: 100%;
}

.trigger-icon { font-size: 1.3rem; flex-shrink: 0; }

.trigger-btn.active {
  background: var(--color-primary-subtle);
  border-color: var(--color-primary);
  color: var(--color-text);
}

/* ===== Log Attack Button ===== */
.log-attack-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-2);
  width: 100%;
  height: 60px;
  background: #7d191e;
  color: #fff;
  border: none;
  border-radius: var(--radius-lg);
  font-size: 1.1rem;
  font-weight: 700;
  cursor: pointer;
  margin-top: var(--sp-5);
  margin-bottom: var(--sp-6);
  letter-spacing: 0.02em;
}

.log-attack-btn:active { background: #5c1216; }

/* ===== Attack Cards ===== */
.attack-card {
  background: var(--color-surface);
  border-radius: var(--radius-md);
  padding: var(--sp-4);
  border: 1px solid var(--color-border);
  margin-bottom: var(--sp-3);
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  cursor: pointer;
}

.attack-card-info { flex: 1; }
.attack-card-time { font-size: 1rem; font-weight: 600; }
.attack-card-detail { font-size: 0.8rem; color: var(--color-text-muted); margin-top: 2px; }

.severity-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  flex-shrink: 0;
}

.severity-dot.mild     { background: var(--color-mild); }
.severity-dot.moderate { background: var(--color-moderate); }
.severity-dot.severe   { background: var(--color-severe); }
.severity-dot.unknown  { background: var(--color-text-muted); }

/* ===== Toast ===== */
.toast {
  position: fixed;
  bottom: calc(var(--nav-height) + 16px);
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-surface-raised);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--sp-3) var(--sp-5);
  font-size: 0.9rem;
  color: var(--color-text);
  z-index: 200;
  max-width: calc(100vw - 32px);
  text-align: center;
  box-shadow: 0 4px 24px rgba(0,0,0,0.4);
  cursor: pointer;
}

.toast.hidden { display: none; }

/* ===== Login Page ===== */
body.login-body { padding-bottom: 0; }

.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--sp-6);
}

.login-card {
  width: 100%;
  max-width: 360px;
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: var(--sp-8);
  border: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--sp-5);
}

.login-logo {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--sp-3);
  text-align: center;
}

.login-logo h1 {
  font-size: 2rem;
  color: var(--color-primary-faint);
  letter-spacing: 0.1em;
}

.login-logo p {
  color: var(--color-text-muted);
  font-size: 0.85rem;
}

.pin-input {
  width: 100%;
  text-align: center;
  font-size: 2rem;
  letter-spacing: 0.3em;
  height: 72px;
  background: var(--color-surface-raised);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text);
}

.pin-input:focus {
  border-color: var(--color-primary-light);
  outline: none;
}

.error-message {
  color: var(--color-danger);
  font-size: 0.9rem;
  text-align: center;
  min-height: 1.2em;
  width: 100%;
}

/* ===== Page Header ===== */
.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--sp-5) 0 var(--sp-4);
}

.page-title {
  font-size: 1.3rem;
  font-weight: 700;
}

/* ===== Stats Grid ===== */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-3);
  margin-bottom: var(--sp-5);
}

.stat-card {
  background: var(--color-surface);
  border-radius: var(--radius-md);
  padding: var(--sp-4) var(--sp-3);
  text-align: center;
  border: 1px solid var(--color-border);
}

.stat-value {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--color-primary-faint);
  line-height: 1;
}

.stat-label {
  font-size: 0.7rem;
  color: var(--color-text-muted);
  margin-top: var(--sp-1);
}

/* ===== Correlation Bars ===== */
.correlation-list {
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
  margin-bottom: var(--sp-6);
}

.correlation-item {
  background: var(--color-surface);
  border-radius: var(--radius-md);
  padding: var(--sp-3) var(--sp-4);
  border: 1px solid var(--color-border);
  cursor: pointer;
}

.correlation-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--sp-2);
}

.correlation-name { font-size: 0.9rem; font-weight: 500; }
.correlation-pct  { font-size: 0.9rem; font-weight: 700; color: var(--color-text-secondary); }

.correlation-sub {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  margin-top: var(--sp-1);
}

.correlation-bar-track {
  height: 8px;
  background: var(--color-surface-raised);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.correlation-bar-fill {
  height: 100%;
  border-radius: var(--radius-full);
}

.correlation-bar-fill.high   { background: var(--color-severe); }
.correlation-bar-fill.medium { background: var(--color-moderate); }
.correlation-bar-fill.low    { background: var(--color-mild); }

/* ===== Period Selector ===== */
.period-selector {
  display: flex;
  gap: var(--sp-2);
  margin-bottom: var(--sp-5);
}

.period-btn {
  flex: 1;
  height: 40px;
  border: 1px solid var(--color-border);
  background: var(--color-surface-raised);
  border-radius: var(--radius-sm);
  color: var(--color-text-secondary);
  font-size: 0.85rem;
  cursor: pointer;
}

.period-btn.active {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
}

/* ===== Calendar ===== */
.calendar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--sp-4);
}

.calendar-month { font-size: 1.1rem; font-weight: 600; }

.calendar-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 3px;
}

.calendar-day-header {
  text-align: center;
  font-size: 0.65rem;
  color: var(--color-text-muted);
  padding: var(--sp-1);
  text-transform: uppercase;
}

.calendar-day {
  aspect-ratio: 1;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  color: var(--color-text-secondary);
  background: var(--color-surface-raised);
  cursor: pointer;
  border: 2px solid transparent;
}

.calendar-day.empty        { background: transparent; cursor: default; }
.calendar-day.today        { border-color: var(--color-primary); color: var(--color-text); font-weight: 700; }
.calendar-day.mild-attack  { background: #2d4a1e; color: var(--color-mild); }
.calendar-day.mod-attack   { background: #4a3a1a; color: var(--color-moderate); }
.calendar-day.sev-attack   { background: #4a1a1a; color: var(--color-severe); }
.calendar-day.selected     { border-color: var(--color-primary-faint); }

/* ===== Settings ===== */
.settings-section { margin-bottom: var(--sp-6); }

.settings-section-title {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-muted);
  margin-bottom: var(--sp-3);
  padding-top: var(--sp-2);
}

.settings-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--sp-4);
  background: var(--color-surface);
  border-radius: var(--radius-md);
  margin-bottom: var(--sp-2);
  border: 1px solid var(--color-border);
  min-height: 56px;
}

.settings-label { font-size: 0.95rem; }
.settings-value { font-size: 0.85rem; color: var(--color-text-muted); }

.trigger-settings-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--sp-3) var(--sp-4);
  background: var(--color-surface);
  border-radius: var(--radius-md);
  margin-bottom: var(--sp-2);
  border: 1px solid var(--color-border);
  min-height: 52px;
}

.trigger-settings-name {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  font-size: 0.9rem;
  color: var(--color-text-secondary);
}

.trigger-settings-item.inactive .trigger-settings-name {
  opacity: 0.45;
}

/* ===== Modal Sheet ===== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.7);
  z-index: 300;
  display: flex;
  align-items: flex-end;
  justify-content: center;
}

.modal-overlay.hidden { display: none; }

.modal-sheet {
  background: var(--color-surface);
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  width: 100%;
  max-width: 480px;
  max-height: 90vh;
  overflow-y: auto;
  padding: var(--sp-5) var(--sp-5) var(--sp-8);
}

.modal-handle {
  width: 40px;
  height: 4px;
  background: var(--color-border);
  border-radius: var(--radius-full);
  margin: 0 auto var(--sp-5);
}

.modal-title {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: var(--sp-5);
}

.form-group   { margin-bottom: var(--sp-5); }

.form-label {
  display: block;
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  margin-bottom: var(--sp-2);
  font-weight: 500;
}

/* ===== Severity Slider ===== */
.severity-slider {
  -webkit-appearance: none;
  width: 100%;
  height: 6px;
  border-radius: var(--radius-full);
  background: linear-gradient(to right, var(--color-mild), var(--color-moderate), var(--color-severe));
  outline: none;
  border: none;
}

.severity-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--color-text);
  border: 3px solid var(--color-primary);
  cursor: pointer;
}

.severity-value-display {
  text-align: center;
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--color-primary-faint);
  margin-top: var(--sp-2);
}

/* ===== Chip Selectors ===== */
.chip-group {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-2);
}

.chip {
  padding: var(--sp-2) var(--sp-3);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  color: var(--color-text-secondary);
  background: var(--color-surface-raised);
  cursor: pointer;
  min-height: 36px;
  display: flex;
  align-items: center;
}

.chip.active {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #fff;
}

/* ===== Section label ===== */
.section-label {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--color-text-muted);
  margin-bottom: var(--sp-3);
  margin-top: var(--sp-5);
}

/* ===== Empty State ===== */
.empty-state {
  text-align: center;
  padding: var(--sp-8) var(--sp-4);
  color: var(--color-text-muted);
}

.empty-icon {
  font-size: 2.5rem;
  margin-bottom: var(--sp-3);
}

.empty-state p { font-size: 0.9rem; }

/* ===== Loading ===== */
.spinner {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 2px solid var(--color-border);
  border-top-color: var(--color-primary-light);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }

/* ===== Safe area insets (iPhone home bar) ===== */
@supports (padding-bottom: env(safe-area-inset-bottom)) {
  .bottom-nav {
    padding-bottom: env(safe-area-inset-bottom);
    height: calc(var(--nav-height) + env(safe-area-inset-bottom));
  }
  body {
    padding-bottom: calc(var(--nav-height) + env(safe-area-inset-bottom));
  }
}