/* ============================================================
   100DaysToMyGoal — Stylesheet
   Palette: Sage + Warm White + Slate
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,400;0,600;0,700;1,400&family=DM+Sans:wght@300;400;500;600&display=swap');

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

:root {
  --bg:           #F8F7F4;
  --surface:      #FFFFFF;
  --surface-2:    #F2F0EC;
  --sage:         #4A7C6F;
  --sage-light:   #6BA697;
  --sage-dim:     #E8F0EE;
  --tan:          #7C6F4A;
  --tan-light:    #C4B594;
  --tan-dim:      #F5F0E8;
  --ink:          #1A1A2E;
  --ink-mid:      #3D3D55;
  --muted:        #6B7280;
  --border:       rgba(74,124,111,0.14);
  --border-tan:   rgba(124,111,74,0.18);
  --shadow-sm:    0 1px 4px rgba(26,26,46,0.06), 0 2px 12px rgba(26,26,46,0.04);
  --shadow-md:    0 4px 16px rgba(26,26,46,0.08), 0 1px 4px rgba(26,26,46,0.05);
  --shadow-lg:    0 12px 40px rgba(26,26,46,0.12), 0 2px 8px rgba(26,26,46,0.06);
  --radius:       14px;
  --radius-sm:    8px;
  --radius-lg:    20px;
  --font-display: 'Cormorant Garamond', Georgia, serif;
  --font-body:    'DM Sans', 'Trebuchet MS', system-ui, sans-serif;
  --transition:   all 0.22s cubic-bezier(0.4, 0, 0.2, 1);
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--ink);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}

/* Subtle grain texture overlay */
body::before {
  content: '';
  position: fixed; inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.03'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 0;
}

/* ── Typography Scale ─────────────────────────────────────── */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  line-height: 1.15;
  color: var(--ink);
}

h1 { font-size: clamp(2.2rem, 5vw, 3.2rem); font-weight: 600; }
h2 { font-size: clamp(1.5rem, 3vw, 2rem);   font-weight: 600; }
h3 { font-size: clamp(1.1rem, 2vw, 1.35rem); font-weight: 600; }

p  { color: var(--ink-mid); font-size: 0.95rem; }

/* ── Layout ───────────────────────────────────────────────── */
.container {
  width: 100%;
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ── Header / Nav ─────────────────────────────────────────── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  padding: 0 24px;
  transition: var(--transition);
}

.site-header.scrolled {
  background: rgba(248, 247, 244, 0.85);
  backdrop-filter: blur(16px) saturate(1.4);
  -webkit-backdrop-filter: blur(16px) saturate(1.4);
  border-bottom: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
}

.nav-inner {
  max-width: 1140px;
  margin: 0 auto;
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.nav-logo svg {
  width: 220px;
  height: auto;
  display: block;
}

.phase-chip {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--sage-dim);
  border: 1px solid var(--border);
  border-radius: 100px;
  padding: 6px 14px;
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--sage);
  white-space: nowrap;
  letter-spacing: 0.01em;
  transition: var(--transition);
}

.phase-chip:hover {
  background: #d8ebe7;
  border-color: rgba(74,124,111,0.28);
}

.phase-chip-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--sage);
  animation: pulse-dot 2.4s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%       { opacity: 0.5; transform: scale(0.7); }
}

/* ── Phase Timeline Bar ───────────────────────────────────── */
.phase-bar-section {
  padding: 28px 24px 0;
  position: relative;
  z-index: 1;
}

.phase-bar-wrap {
  max-width: 1140px;
  margin: 0 auto;
}

.phase-bar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}

.phase-bar-label {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}

.phase-bar-progress {
  font-size: 0.75rem;
  color: var(--muted);
}

/* Thin overall progress track */
.phase-track {
  height: 4px;
  background: var(--surface-2);
  border-radius: 100px;
  overflow: hidden;
  margin-bottom: 14px;
}

.phase-track-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--sage), var(--tan));
  border-radius: 100px;
  transition: width 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Phase cards row */
.phase-cards {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 4px;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

.phase-cards::-webkit-scrollbar { display: none; }

.phase-card {
  flex: 1;
  min-width: 120px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  display: flex;
  flex-direction: column;
  gap: 3px;
  transition: var(--transition);
}

.phase-card.past {
  background: var(--sage-dim);
  border-color: rgba(74,124,111,0.22);
  opacity: 0.75;
}

.phase-card.current {
  background: var(--sage);
  border-color: var(--sage);
  box-shadow: var(--shadow-md);
  flex: 1.4;
}

.phase-card.future { opacity: 0.5; }

.phase-card-num {
  font-size: 0.6rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.phase-card.current .phase-card-num { color: rgba(255,255,255,0.75); }
.phase-card.past    .phase-card-num { color: var(--sage); }
.phase-card.future  .phase-card-num { color: var(--muted); }

.phase-card-name {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 600;
  white-space: nowrap;
}

.phase-card.current .phase-card-name { color: #fff; }
.phase-card.past    .phase-card-name { color: var(--ink-mid); }
.phase-card.future  .phase-card-name { color: var(--muted); }

.phase-card-days {
  font-size: 0.68rem;
  white-space: nowrap;
  margin-top: 1px;
}

.phase-card.current .phase-card-days { color: rgba(255,255,255,0.7); }
.phase-card.past    .phase-card-days { color: var(--muted); }
.phase-card.future  .phase-card-days { color: var(--muted); opacity: 0.7; }

.phase-card-dates {
  font-size: 0.64rem;
  white-space: nowrap;
  margin-top: 2px;
  letter-spacing: 0.01em;
}

.phase-card.current .phase-card-dates { color: rgba(255,255,255,0.6); }
.phase-card.past    .phase-card-dates { color: var(--muted); opacity: 0.7; }
.phase-card.future  .phase-card-dates { color: var(--muted); opacity: 0.5; }

/* ── Hero / Goal Cards ────────────────────────────────────── */
.hero-section {
  padding: 44px 24px 0;
  position: relative;
  z-index: 1;
}

.hero-header {
  max-width: 1140px;
  margin: 0 auto 32px;
}

.hero-eyebrow {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--tan);
  margin-bottom: 10px;
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(1.9rem, 4vw, 2.8rem);
  font-weight: 600;
  color: var(--ink);
  line-height: 1.12;
  margin-bottom: 8px;
}

.hero-title em {
  font-style: italic;
  color: var(--sage);
}

.hero-sub {
  font-size: 0.9rem;
  color: var(--muted);
}

.goal-cards-grid {
  max-width: 1140px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

@media (max-width: 900px) {
  .goal-cards-grid { grid-template-columns: 1fr; }
}

.goal-card {
  background: var(--surface);
  border-radius: var(--radius-lg);
  padding: 28px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  transition: transform 0.26s cubic-bezier(0.34,1.56,0.64,1), box-shadow 0.26s ease;
  position: relative;
  overflow: hidden;
  cursor: default;
  display: flex;
  flex-direction: column;
}

.goal-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  background: linear-gradient(90deg, var(--sage), var(--tan));
  opacity: 0;
  transition: opacity 0.22s ease;
}

.goal-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.goal-card:hover::before { opacity: 1; }

.goal-card-category {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--sage);
  background: var(--sage-dim);
  border-radius: 100px;
  padding: 4px 10px;
  margin-bottom: 16px;
}

.goal-card-category-icon {
  font-size: 0.85rem;
}

.goal-card-title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--ink);
  line-height: 1.3;
  margin-bottom: 20px;
  min-height: 3.2em;
}

.goal-card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-top: auto;
}

.streak-badge {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.82rem;
  color: var(--ink-mid);
}

.streak-num {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--sage);
  line-height: 1;
}

.completion-badge {
  font-size: 0.72rem;
  font-weight: 600;
  background: var(--tan-dim);
  color: var(--tan);
  border-radius: 100px;
  padding: 4px 10px;
  letter-spacing: 0.04em;
}

/* ── Main Content Sections ────────────────────────────────── */
.main-content {
  padding: 48px 24px 80px;
  position: relative;
  z-index: 1;
}

.sections-grid {
  max-width: 1140px;
  margin: 0 auto;
  display: grid;
  gap: 48px;
}

.section-block {
  opacity: 0;
  transform: translateY(20px);
  animation: fadeUp 0.5s ease forwards;
}

@keyframes fadeUp {
  to { opacity: 1; transform: none; }
}

.section-block:nth-child(1) { animation-delay: 0.1s; }
.section-block:nth-child(2) { animation-delay: 0.2s; }
.section-block:nth-child(3) { animation-delay: 0.3s; }

.section-heading {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 24px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--border);
}

.section-title-text {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 600;
  color: var(--ink);
}

.section-date {
  font-size: 0.8rem;
  color: var(--muted);
  margin-left: auto;
}

/* ── Check-in Grid ────────────────────────────────────────── */
.checkin-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

@media (max-width: 900px) {
  .checkin-grid { grid-template-columns: 1fr; }
}

.checkin-card {
  background: var(--surface);
  border-radius: var(--radius);
  padding: 24px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  gap: 16px;
  transition: var(--transition);
}

.checkin-card:hover { box-shadow: var(--shadow-md); }

.checkin-goal-label {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
}

.checkin-goal-title {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--ink);
  line-height: 1.35;
  min-height: 4.2em;
}

.checkin-toggle-row {
  display: flex;
  gap: 10px;
  margin-top: 4px;
}

.toggle-btn {
  flex: 1;
  padding: 14px 10px;
  border-radius: var(--radius-sm);
  border: 1.5px solid var(--border);
  background: var(--bg);
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--muted);
  cursor: pointer;
  transition: all 0.18s cubic-bezier(0.34,1.56,0.64,1);
  -webkit-tap-highlight-color: transparent;
  user-select: none;
}

.toggle-btn:hover {
  border-color: var(--sage);
  color: var(--sage);
  background: var(--sage-dim);
  transform: scale(1.03);
}

.toggle-btn:active { transform: scale(0.97); }

.toggle-btn.yes-btn.active {
  background: var(--sage);
  border-color: var(--sage);
  color: #fff;
  box-shadow: 0 4px 16px rgba(74,124,111,0.35);
  transform: scale(1.04);
}

.toggle-btn.no-btn.active {
  background: #E8736A;
  border-color: #E8736A;
  color: #fff;
  box-shadow: 0 4px 16px rgba(232,115,106,0.3);
  transform: scale(1.04);
}

.toggle-btn.yes-btn.active:hover,
.toggle-btn.no-btn.active:hover {
  filter: brightness(1.08);
}

/* Habit label under goal title in single-toggle cards */
.checkin-habit-label {
  font-size: 0.72rem;
  color: var(--muted);
  margin-top: 4px;
  font-style: italic;
}

/* Dual-toggle card extras */
.checkin-card--dual { gap: 12px; }

.checkin-dual-rows {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.checkin-sub-row {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 12px;
  background: var(--bg);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
}

.checkin-sub-label {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--ink-mid);
}

.checkin-sub-desc {
  font-size: 0.72rem;
  font-weight: 400;
  color: var(--muted);
  margin-left: 2px;
}

/* Goal card dual-habit note */
.goal-dual-note {
  display: block;
  font-size: 0.7rem;
  color: var(--tan);
  margin-bottom: 12px;
  font-weight: 500;
}

.checkin-confirmed {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  color: var(--sage);
  font-weight: 500;
  opacity: 0;
  transition: opacity 0.3s ease;
  min-height: 20px;
}

.checkin-confirmed.visible { opacity: 1; }

.checkin-confirmed-icon {
  width: 18px; height: 18px;
  background: var(--sage);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: white;
  font-size: 0.65rem;
}

/* ── Journal Grid ─────────────────────────────────────────── */
.journal-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

@media (max-width: 900px) {
  .journal-grid { grid-template-columns: 1fr; }
}

.journal-card {
  background: var(--surface);
  border-radius: var(--radius);
  padding: 24px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: var(--transition);
}

.journal-card:hover { box-shadow: var(--shadow-md); }

.journal-card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 8px;
}

.journal-goal-label {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
}

.journal-save-status {
  font-size: 0.72rem;
  color: var(--sage);
  font-weight: 500;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.journal-save-status.visible { opacity: 1; }

.journal-goal-title {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  color: var(--ink);
  line-height: 1.35;
  min-height: 4.2em;
}

.journal-textarea {
  width: 100%;
  min-height: 100px;
  padding: 12px 14px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg);
  font-family: var(--font-body);
  font-size: 0.88rem;
  color: var(--ink);
  line-height: 1.65;
  resize: none;
  overflow: hidden;
  outline: none;
  transition: var(--transition);
}

.journal-textarea::placeholder { color: var(--tan-light); }

.journal-textarea:focus {
  border-color: var(--sage);
  background: var(--surface);
  box-shadow: 0 0 0 3px rgba(74,124,111,0.1);
}

/* ── Progress Grid ────────────────────────────────────────── */
.progress-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

@media (max-width: 900px) {
  .progress-grid { grid-template-columns: 1fr; }
}

.progress-card {
  background: var(--surface);
  border-radius: var(--radius);
  padding: 24px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.progress-card:hover { box-shadow: var(--shadow-md); }

.progress-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

.progress-card-label {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
}

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

.stat-item {
  text-align: center;
}

.stat-num {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--sage);
  display: block;
  line-height: 1;
}

.stat-label {
  font-size: 0.65rem;
  color: var(--muted);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.stat-divider {
  width: 1px;
  height: 28px;
  background: var(--border);
}

/* 100-day grid */
.day-grid {
  display: grid;
  grid-template-columns: repeat(10, 1fr);
  gap: 4px;
  margin-top: 16px;
}

.day-cell {
  aspect-ratio: 1;
  border-radius: 3px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  position: relative;
  cursor: default;
  transition: transform 0.15s ease;
  opacity: 0;
  animation: cellFadeIn 0.3s ease forwards;
}

.day-cell:hover { transform: scale(1.2); z-index: 2; }

.day-cell.completed {
  background: var(--sage);
  border-color: var(--sage);
  box-shadow: 0 1px 4px rgba(74,124,111,0.3);
}

.day-cell.missed {
  background: #F2D5D3;
  border-color: #E8B5B2;
}

.day-cell.today {
  border: 2px solid var(--tan);
  background: var(--tan-dim);
}

.day-cell.today.completed {
  background: var(--sage);
  border-color: var(--tan);
}

.day-cell.future { opacity: 0.4; }

@keyframes cellFadeIn {
  from { opacity: 0; transform: scale(0.7); }
  to   { opacity: 1; transform: scale(1); }
}

.day-cell.future { animation: cellFadeIn 0.3s ease forwards; opacity: 0; }

/* Tooltip on day cell */
.day-cell[data-tooltip]:hover::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: calc(100% + 6px);
  left: 50%;
  transform: translateX(-50%);
  background: var(--ink);
  color: #fff;
  font-size: 0.65rem;
  padding: 3px 7px;
  border-radius: 4px;
  white-space: nowrap;
  pointer-events: none;
  z-index: 10;
}

/* ── Footer ───────────────────────────────────────────────── */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 24px 24px;
  font-size: 0.78rem;
  color: var(--muted);
  position: relative;
  z-index: 1;
}

.site-footer strong { color: var(--sage); font-weight: 600; }

.footer-inner {
  max-width: 1140px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.footer-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.footer-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 14px;
  border-radius: 100px;
  border: 1px solid var(--border);
  background: var(--surface);
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--ink-mid);
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
  white-space: nowrap;
}

.footer-btn:hover {
  border-color: var(--sage);
  color: var(--sage);
  background: var(--sage-dim);
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}

.footer-btn:active { transform: translateY(0); }

.footer-backup-status {
  font-size: 0.73rem;
  color: var(--sage);
  font-weight: 500;
  opacity: 0;
  transition: opacity 0.25s ease;
  white-space: nowrap;
}

.footer-backup-status.visible { opacity: 1; }
.footer-backup-status.error   { color: #E8736A; }

@media (max-width: 600px) {
  .footer-inner { flex-direction: column; align-items: flex-start; gap: 12px; }
}

/* ── Utility ──────────────────────────────────────────────── */
.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}

/* ── Pre-start state ──────────────────────────────────────── */
.pre-start-banner {
  background: linear-gradient(135deg, var(--sage-dim), var(--tan-dim));
  border: 1px solid var(--border-tan);
  border-radius: var(--radius);
  padding: 20px 24px;
  text-align: center;
  margin-bottom: 24px;
}

.pre-start-banner p {
  font-family: var(--font-display);
  font-size: 1.1rem;
  color: var(--ink-mid);
}

.pre-start-banner strong { color: var(--sage); }

/* ── Scrollbar ────────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb {
  background: var(--tan-light);
  border-radius: 100px;
}

/* ── Mobile tweaks ────────────────────────────────────────── */
@media (max-width: 600px) {
  .nav-logo svg { width: 160px; }
  .phase-chip { font-size: 0.7rem; padding: 5px 10px; }
  .hero-section { padding-top: 28px; }
  .toggle-btn { padding: 16px 8px; font-size: 0.95rem; }
  .day-grid { gap: 3px; }
}