/* ═══════════════════════════════════════
   DESIGN TOKENS
   ═══════════════════════════════════════ */
:root {
  /* Backgrounds */
  --bg-base:     #0A0A0B;
  --bg-card:     #141416;
  --bg-elevated: #1C1C1F;
  --bg-input:    #1C1C1F;
  --bg-hover:    #222226;

  /* Borders */
  --border:       rgba(255,255,255,0.06);
  --border-mid:   rgba(255,255,255,0.10);
  --border-hover: rgba(255,255,255,0.16);

  /* Text */
  --text-primary:   #F0F0F5;
  --text-secondary: #8888A0;
  --text-muted:     #4A4A60;

  /* Accent */
  --accent:       #7C6FF7;
  --accent-dim:   rgba(124,111,247,0.14);
  --accent-hover: #9B90FF;

  /* Score levels */
  --level-empty:   #E05252;
  --level-partial: #D4853A;
  --level-solid:   #4A9E7F;
  --level-full:    #7C6FF7;

  /* Heatmap (0 → pleno) */
  --heat-0: #1A1A20;
  --heat-1: #2A2545;
  --heat-2: #3D3780;
  --heat-3: #5548C8;
  --heat-4: #7C6FF7;
  --heat-5: #B0A8FF;

  /* Typography scale */
  --text-xs:   0.70rem;  /* 11px */
  --text-sm:   0.813rem; /* 13px */
  --text-base: 1rem;     /* 16px */
  --text-lg:   1.25rem;  /* 20px */
  --text-xl:   1.75rem;  /* 28px */
  --text-2xl:  2.5rem;   /* 40px */
  --text-hero: 5rem;     /* 80px */

  /* Spacing */
  --s1: 4px; --s2: 8px; --s3: 12px; --s4: 16px;
  --s5: 20px; --s6: 24px; --s8: 32px; --s10: 40px;

  /* Radius */
  --r-sm:   6px;
  --r-md:   10px;
  --r-lg:   16px;
  --r-xl:   20px;
  --r-full: 9999px;

  /* Transition */
  --ease: cubic-bezier(0.4, 0, 0.2, 1);
}

/* ═══════════════════════════════════════
   RESET & BASE
   ═══════════════════════════════════════ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  font-size: 16px;
  background: var(--bg-base);
  color: var(--text-primary);
  -webkit-font-smoothing: antialiased;
  height: 100%;
}

body {
  height: 100%;
  overflow: hidden;
  overscroll-behavior: none;
}

button {
  border: none;
  background: none;
  cursor: pointer;
  color: inherit;
  font: inherit;
  -webkit-tap-highlight-color: transparent;
}

input, textarea, select {
  font: inherit;
  color: inherit;
  background: none;
  border: none;
  outline: none;
}

/* ═══════════════════════════════════════
   APP SHELL
   ═══════════════════════════════════════ */
#app {
  position: fixed;
  inset: 0 0 64px 0;
  overflow-y: auto;
  overflow-x: hidden;
  -webkit-overflow-scrolling: touch;
  scroll-behavior: smooth;
}

/* Safe area for iPhones */
#app { padding-bottom: env(safe-area-inset-bottom, 0px); }

/* ═══════════════════════════════════════
   BOTTOM NAV
   ═══════════════════════════════════════ */
#nav-bar {
  position: fixed;
  bottom: 0;
  left: 0; right: 0;
  height: 64px;
  background: var(--bg-card);
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-around;
  padding-bottom: env(safe-area-inset-bottom, 0px);
  z-index: 100;
}

.nav-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--s1);
  padding: var(--s2) var(--s4);
  border-radius: var(--r-lg);
  color: var(--text-muted);
  transition: color 0.2s var(--ease);
  min-width: 64px;
}
.nav-btn svg { width: 22px; height: 22px; }
.nav-btn span { font-size: var(--text-xs); font-weight: 500; }
.nav-btn.active { color: var(--accent); }
.nav-btn.active svg { filter: drop-shadow(0 0 6px rgba(124,111,247,0.5)); }

/* ═══════════════════════════════════════
   VIEW: HOY
   ═══════════════════════════════════════ */
.view-hoy {
  display: flex;
  flex-direction: column;
  min-height: 100%;
  padding: var(--s4);
}

.hoy-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--s4) 0 var(--s3);
}

.hoy-fecha {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  font-weight: 500;
  text-transform: capitalize;
}

.hoy-fecha strong {
  color: var(--text-primary);
  font-size: var(--text-base);
}

/* ── Score ring ── */
.score-center {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: var(--s3) 0;
}

.ring-wrap {
  position: relative;
  width: 180px;
  height: 180px;
}

.ring-svg {
  width: 180px;
  height: 180px;
  transform: rotate(-90deg);
}

.ring-bg {
  fill: none;
  stroke: var(--bg-elevated);
  stroke-width: 8;
}

.ring-fill {
  fill: none;
  stroke: var(--accent);
  stroke-width: 8;
  stroke-linecap: round;
  stroke-dasharray: 408.41; /* 2π × 65 */
  stroke-dashoffset: 408.41;
  transition: stroke-dashoffset 0.7s var(--ease), stroke 0.4s var(--ease);
}

.ring-inner {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.score-number {
  font-size: var(--text-hero);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -3px;
  transition: color 0.4s var(--ease);
}

.score-pct {
  font-size: var(--text-base);
  color: var(--text-secondary);
  font-weight: 400;
  margin-top: -4px;
}

/* ── Level badge ── */
.level-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--s2);
  padding: var(--s1) var(--s3);
  border-radius: var(--r-full);
  font-size: var(--text-sm);
  font-weight: 600;
  margin-top: var(--s2);
  transition: background 0.4s var(--ease), color 0.4s var(--ease);
}

.level-badge::before {
  content: '';
  width: 7px; height: 7px;
  border-radius: 50%;
  background: currentColor;
}

/* ── Racha row ── */
.racha-row {
  display: flex;
  gap: var(--s3);
  justify-content: center;
  margin-top: var(--s4);
}

.racha-chip {
  display: flex;
  align-items: center;
  gap: var(--s2);
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--r-full);
  padding: var(--s2) var(--s3);
  font-size: var(--text-sm);
}

.racha-chip svg { width: 15px; height: 15px; }

.racha-chip .racha-num {
  font-size: var(--text-base);
  font-weight: 700;
  color: var(--accent);
}

.racha-chip .racha-label {
  color: var(--text-secondary);
}

/* ── Metas list ── */
.metas-list {
  margin-top: var(--s5);
  display: flex;
  flex-direction: column;
  gap: var(--s2);
}

.meta-row {
  display: flex;
  align-items: center;
  gap: var(--s3);
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: var(--s3) var(--s4);
  min-height: 64px;
  transition: border-color 0.2s var(--ease), background 0.2s var(--ease);
  -webkit-tap-highlight-color: transparent;
  user-select: none;
}

.meta-row:active { background: var(--bg-hover); }
.meta-row.cumplida { border-color: var(--border-mid); }
.meta-row.no-aplica { opacity: 0.35; pointer-events: none; }

.meta-dot {
  width: 10px; height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
}

.meta-info {
  flex: 1;
  min-width: 0;
}

.meta-nombre {
  font-size: var(--text-base);
  font-weight: 500;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  transition: color 0.2s var(--ease);
}

.meta-row.cumplida .meta-nombre {
  color: var(--text-secondary);
  text-decoration: line-through;
  text-decoration-color: var(--border-mid);
}

.meta-progreso {
  font-size: var(--text-sm);
  color: var(--text-muted);
  margin-top: 2px;
}

.meta-progreso.activo { color: var(--text-secondary); }

/* ── Check button ── */
.check-btn {
  width: 36px; height: 36px;
  border-radius: 50%;
  border: 2px solid var(--border-mid);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: border-color 0.2s var(--ease), background 0.2s var(--ease), transform 0.15s var(--ease);
}

.check-btn:active { transform: scale(0.9); }
.check-btn svg { width: 16px; height: 16px; opacity: 0; transition: opacity 0.2s var(--ease); }

.meta-row.cumplida .check-btn {
  border-color: transparent;
  background: var(--accent-dim);
}
.meta-row.cumplida .check-btn svg { opacity: 1; }

/* Negativa rota */
.meta-row.rota .check-btn {
  border-color: var(--level-empty);
  background: rgba(224,82,82,0.12);
}
.meta-row.rota .meta-nombre { color: var(--level-empty); text-decoration: none; }

/* ── Cantidad inline ── */
.cantidad-ctrl {
  display: flex;
  align-items: center;
  gap: var(--s2);
  flex-shrink: 0;
}

.qty-btn {
  width: 32px; height: 32px;
  border-radius: 50%;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  font-size: var(--text-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
  transition: background 0.15s;
}
.qty-btn:active { background: var(--bg-hover); }

.qty-val {
  font-size: var(--text-base);
  font-weight: 600;
  min-width: 28px;
  text-align: center;
}

.qty-obj { font-size: var(--text-sm); color: var(--text-muted); }

/* ── Negativa toggle ── */
.neg-btn {
  display: flex;
  align-items: center;
  gap: var(--s2);
  padding: var(--s2) var(--s3);
  border-radius: var(--r-full);
  border: 1px solid var(--border);
  font-size: var(--text-sm);
  color: var(--text-secondary);
  transition: all 0.2s var(--ease);
  flex-shrink: 0;
}
.neg-btn svg { width: 14px; height: 14px; }
.neg-btn.rota { border-color: var(--level-empty); color: var(--level-empty); background: rgba(224,82,82,0.10); }

/* ── Día sin metas ── */
.dia-libre {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--s3);
  padding: var(--s10);
  color: var(--text-muted);
  text-align: center;
}
.dia-libre svg { width: 48px; height: 48px; opacity: 0.3; }
.dia-libre p { font-size: var(--text-sm); line-height: 1.5; }

/* ═══════════════════════════════════════
   VIEW: MI MES (heatmap)
   ═══════════════════════════════════════ */
.view-mes {
  padding: var(--s4);
}

.mes-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--s4) 0 var(--s5);
}

.mes-titulo {
  font-size: var(--text-lg);
  font-weight: 700;
  text-transform: capitalize;
}

.mes-nav {
  display: flex;
  align-items: center;
  gap: var(--s2);
}

.mes-nav button {
  width: 32px; height: 32px;
  border-radius: 50%;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  transition: background 0.2s;
}
.mes-nav button:active { background: var(--bg-hover); }
.mes-nav button svg { width: 16px; height: 16px; }

.mes-resumen {
  display: flex;
  gap: var(--s3);
  margin-bottom: var(--s5);
}

.mes-stat {
  flex: 1;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: var(--s3) var(--s4);
}

.mes-stat-val {
  font-size: var(--text-xl);
  font-weight: 700;
}

.mes-stat-label {
  font-size: var(--text-xs);
  color: var(--text-secondary);
  margin-top: 2px;
}

/* ── Heatmap container ── */
.heatmap-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin: 0 calc(-1 * var(--s4));
  padding: 0 var(--s4);
}

.heatmap-table {
  display: grid;
  gap: 0;
  min-width: max-content;
}

/* Header row (días del mes) */
.heatmap-row {
  display: flex;
  align-items: center;
}

.heatmap-nombre {
  position: sticky;
  left: 0;
  background: var(--bg-base);
  z-index: 2;
  width: 96px;
  min-width: 96px;
  font-size: var(--text-xs);
  color: var(--text-secondary);
  padding-right: var(--s3);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.heatmap-cells {
  display: flex;
  gap: 3px;
}

.heatmap-week-group {
  display: flex;
  gap: 3px;
  margin-right: 6px;
}

.heatmap-cell {
  width: 28px;
  height: 28px;
  border-radius: 4px;
  flex-shrink: 0;
  position: relative;
  cursor: default;
  transition: transform 0.1s;
}

.heatmap-cell:active { transform: scale(0.88); }

/* Fila de porcentajes diarios */
.heatmap-row.pct-row .heatmap-cell {
  height: 20px;
  border-radius: 3px;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
}

.pct-bar {
  width: 100%;
  background: var(--accent);
  opacity: 0.7;
  border-radius: 2px 2px 0 0;
  min-height: 1px;
  transition: height 0.4s var(--ease);
}

/* Etiquetas de días */
.heatmap-row.labels-row .heatmap-cell {
  height: 18px;
  font-size: var(--text-xs);
  color: var(--text-muted);
  text-align: center;
  line-height: 18px;
  background: transparent;
}

/* ═══════════════════════════════════════
   VIEW: MIS METAS
   ═══════════════════════════════════════ */
.view-metas {
  padding: var(--s4);
}

.metas-page-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--s4) 0 var(--s5);
}

.page-title {
  font-size: var(--text-lg);
  font-weight: 700;
}

.btn-primary {
  display: flex;
  align-items: center;
  gap: var(--s2);
  background: var(--accent);
  color: #fff;
  padding: var(--s2) var(--s4);
  border-radius: var(--r-full);
  font-size: var(--text-sm);
  font-weight: 600;
  transition: background 0.2s var(--ease);
}
.btn-primary:active { background: var(--accent-hover); }
.btn-primary svg { width: 15px; height: 15px; }

.meta-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: var(--s4);
  display: flex;
  align-items: center;
  gap: var(--s3);
  margin-bottom: var(--s2);
  transition: border-color 0.2s;
}

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

.meta-card-info { flex: 1; min-width: 0; }

.meta-card-nombre {
  font-size: var(--text-base);
  font-weight: 500;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}

.meta-card-sub {
  font-size: var(--text-xs);
  color: var(--text-secondary);
  margin-top: 3px;
}

.meta-card-actions { display: flex; gap: var(--s2); }

.btn-icon {
  width: 34px; height: 34px;
  border-radius: 50%;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  transition: background 0.15s;
}
.btn-icon:active { background: var(--bg-hover); }
.btn-icon svg { width: 15px; height: 15px; }

.btn-icon.danger:active { background: rgba(224,82,82,0.15); border-color: var(--level-empty); }
.btn-icon.danger:active svg { color: var(--level-empty); }

/* Move up/down arrows */
.btn-icon.order { opacity: 0.6; }
.btn-icon.order:disabled { opacity: 0.2; pointer-events: none; }

/* ── Empty state ── */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--s4);
  padding: var(--s10) var(--s6);
  text-align: center;
  color: var(--text-muted);
  min-height: 300px;
}
.empty-state svg { width: 56px; height: 56px; opacity: 0.25; }
.empty-state h3 { font-size: var(--text-base); color: var(--text-secondary); font-weight: 600; }
.empty-state p  { font-size: var(--text-sm); line-height: 1.6; max-width: 260px; }

/* ── Meta form (modal) ── */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.7);
  z-index: 200;
  display: flex;
  align-items: flex-end;
  backdrop-filter: blur(4px);
}

.modal-sheet {
  width: 100%;
  background: var(--bg-card);
  border-radius: var(--r-xl) var(--r-xl) 0 0;
  padding: var(--s6) var(--s5);
  padding-bottom: calc(var(--s6) + env(safe-area-inset-bottom, 0px));
  max-height: 90vh;
  overflow-y: auto;
  animation: slideUp 0.25s var(--ease);
}

@keyframes slideUp {
  from { transform: translateY(100%); }
  to   { transform: translateY(0); }
}

.modal-handle {
  width: 36px; height: 4px;
  background: var(--border-mid);
  border-radius: var(--r-full);
  margin: 0 auto var(--s5);
}

.modal-title {
  font-size: var(--text-lg);
  font-weight: 700;
  margin-bottom: var(--s5);
}

.form-group { margin-bottom: var(--s4); }

.form-label {
  display: block;
  font-size: var(--text-sm);
  color: var(--text-secondary);
  margin-bottom: var(--s2);
  font-weight: 500;
}

.form-input {
  width: 100%;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  padding: var(--s3) var(--s4);
  font-size: var(--text-base);
  color: var(--text-primary);
  transition: border-color 0.2s;
}
.form-input:focus { border-color: var(--accent); }

.form-input[type="number"] { -moz-appearance: textfield; }
.form-input[type="number"]::-webkit-outer-spin-button,
.form-input[type="number"]::-webkit-inner-spin-button { -webkit-appearance: none; }

/* Pill selector (tipo, días) */
.pill-group { display: flex; flex-wrap: wrap; gap: var(--s2); }

.pill {
  padding: var(--s2) var(--s3);
  border-radius: var(--r-full);
  border: 1px solid var(--border);
  font-size: var(--text-sm);
  color: var(--text-secondary);
  transition: all 0.15s;
  cursor: pointer;
}
.pill.selected {
  background: var(--accent-dim);
  border-color: var(--accent);
  color: var(--accent);
  font-weight: 600;
}

/* Color picker */
.color-group { display: flex; gap: var(--s3); flex-wrap: wrap; }

.color-opt {
  width: 32px; height: 32px;
  border-radius: 50%;
  cursor: pointer;
  border: 3px solid transparent;
  transition: border-color 0.15s, transform 0.15s;
}
.color-opt.selected { border-color: #fff; transform: scale(1.15); }

.form-actions {
  display: flex;
  gap: var(--s3);
  margin-top: var(--s5);
}

.btn-cancel {
  flex: 1;
  padding: var(--s3);
  border-radius: var(--r-lg);
  border: 1px solid var(--border);
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--text-secondary);
  transition: background 0.15s;
}
.btn-cancel:active { background: var(--bg-hover); }

.btn-save {
  flex: 2;
  padding: var(--s3);
  border-radius: var(--r-lg);
  background: var(--accent);
  color: #fff;
  font-size: var(--text-base);
  font-weight: 700;
  transition: background 0.15s;
}
.btn-save:active { background: var(--accent-hover); }

/* ═══════════════════════════════════════
   VIEW: PROGRESO
   ═══════════════════════════════════════ */
.view-progreso {
  padding: var(--s4);
}

.progreso-header {
  padding: var(--s4) 0 var(--s5);
}

.stat-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--s3);
  margin-bottom: var(--s5);
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: var(--s4);
}

.stat-card-val {
  font-size: var(--text-xl);
  font-weight: 700;
}

.stat-card-label {
  font-size: var(--text-xs);
  color: var(--text-secondary);
  margin-top: 3px;
}

.section-title {
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: var(--s3);
}

.racha-meta-row {
  display: flex;
  align-items: center;
  gap: var(--s3);
  padding: var(--s3) var(--s4);
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  margin-bottom: var(--s2);
}

.racha-meta-dot { width: 9px; height: 9px; border-radius: 50%; flex-shrink: 0; }
.racha-meta-nombre { flex: 1; font-size: var(--text-sm); font-weight: 500; }
.racha-meta-num { font-size: var(--text-base); font-weight: 700; color: var(--accent); }
.racha-meta-sub { font-size: var(--text-xs); color: var(--text-muted); }

/* Export/Import section */
.export-section {
  margin-top: var(--s6);
  display: flex;
  flex-direction: column;
  gap: var(--s3);
}

.btn-outline {
  width: 100%;
  padding: var(--s3) var(--s4);
  border-radius: var(--r-lg);
  border: 1px solid var(--border-mid);
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--s2);
  transition: background 0.15s, border-color 0.15s;
}
.btn-outline:active { background: var(--bg-hover); border-color: var(--border-hover); }
.btn-outline svg { width: 17px; height: 17px; }

/* ═══════════════════════════════════════
   UTILITIES
   ═══════════════════════════════════════ */
.divider {
  height: 1px;
  background: var(--border);
  margin: var(--s4) 0;
}

/* Focus visible (accessibility) */
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-radius: var(--r-sm);
}

/* Toast */
.toast {
  position: fixed;
  bottom: 80px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: var(--bg-elevated);
  border: 1px solid var(--border-mid);
  border-radius: var(--r-full);
  padding: var(--s2) var(--s4);
  font-size: var(--text-sm);
  font-weight: 500;
  white-space: nowrap;
  opacity: 0;
  transition: opacity 0.2s var(--ease), transform 0.2s var(--ease);
  pointer-events: none;
  z-index: 300;
}
.toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* Scrollbar */
::-webkit-scrollbar { width: 0; height: 0; }