/* ============================================================
   PERCORSO — design system
   Palette: notte di pino + carta pergamena + accenti agrumati
   Tipografia: Fraunces (display) + Karla (UI/testo)
   ============================================================ */

:root {
  --bg: #0f1b16;
  --bg-elevated: #16241d;
  --bg-elevated-2: #1c2e24;
  --paper: #efeadc;
  --paper-dim: #ddd6c2;
  --ink: #f4f1e6;
  --ink-soft: #b9c2b7;
  --ink-faint: #7c887e;
  --line: rgba(244, 241, 230, 0.14);
  --accent-citrus: #f2b705;
  --accent-coral: #f0653d;
  --accent-herb: #86b45a;
  --danger: #e0574a;

  --font-display: "Fraunces", "Iowan Old Style", serif;
  --font-body: "Karla", "Segoe UI", sans-serif;

  --radius-card: 18px;
  --radius-pill: 999px;
  --shadow-deep: 0 24px 60px -30px rgba(0, 0, 0, 0.6);
}

@media (prefers-reduced-motion: reduce) {
  * { animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; }
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  min-height: 100vh;
}

body {
  background-image:
    radial-gradient(circle at 12% 8%, rgba(242, 183, 5, 0.07), transparent 40%),
    radial-gradient(circle at 88% 82%, rgba(240, 101, 61, 0.08), transparent 45%);
}

h1, h2, h3, .display {
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: -0.01em;
  margin: 0;
}

a { color: inherit; }

button {
  font-family: var(--font-body);
  cursor: pointer;
  border: none;
  background: none;
  color: inherit;
}

input, textarea, select {
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--ink);
  background: var(--bg-elevated);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 0.7rem 0.9rem;
  width: 100%;
}
input:focus, textarea:focus, select:focus, button:focus-visible {
  outline: 2px solid var(--accent-citrus);
  outline-offset: 2px;
}

.hidden { display: none !important; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.4rem;
  border-radius: var(--radius-pill);
  font-weight: 700;
  font-size: 0.95rem;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.btn:active { transform: scale(0.97); }
.btn-primary { background: var(--accent-coral); color: #1a0d08; }
.btn-primary:hover { box-shadow: 0 8px 24px -8px rgba(240, 101, 61, 0.6); }
.btn-ghost { background: transparent; color: var(--ink-soft); border: 1px solid var(--line); }
.btn-ghost:hover { color: var(--ink); border-color: var(--ink-soft); }
.btn-block { width: 100%; }
.btn-sm { padding: 0.45rem 0.9rem; font-size: 0.85rem; }

.error-text { color: var(--danger); font-size: 0.9rem; margin-top: 0.5rem; }
.hint-text { color: var(--ink-faint); font-size: 0.85rem; }

/* ------------------------------------------------------------
   Layout applicativo
   ------------------------------------------------------------ */
#app { min-height: 100vh; display: flex; flex-direction: column; }

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.1rem 1.6rem;
  border-bottom: 1px solid var(--line);
}
.wordmark {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 1.5rem;
  color: var(--accent-citrus);
}
.topbar nav { display: flex; gap: 0.3rem; }
.topbar nav button {
  padding: 0.5rem 1rem;
  border-radius: var(--radius-pill);
  color: var(--ink-soft);
  font-weight: 600;
  font-size: 0.92rem;
}
.topbar nav button.active { background: var(--bg-elevated-2); color: var(--ink); }
.user-menu { display: flex; align-items: center; gap: 0.8rem; }

main.view { flex: 1; padding: 1.8rem 1.6rem 3rem; max-width: 920px; margin: 0 auto; width: 100%; }

/* ------------------------------------------------------------
   Frase motivazionale (hero ricorrente)
   ------------------------------------------------------------ */
.quote-strip {
  padding: 0 1.6rem 1.2rem;
  max-width: 920px;
  margin: 0 auto;
  width: 100%;
}
.quote-strip blockquote {
  margin: 0;
  font-family: var(--font-display);
  font-style: italic;
  font-size: clamp(1.1rem, 2.4vw, 1.5rem);
  color: var(--paper);
  border-left: 3px solid var(--accent-citrus);
  padding-left: 1rem;
  animation: quoteIn 0.7s ease both;
}
@keyframes quoteIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ------------------------------------------------------------
   Schermata autenticazione
   ------------------------------------------------------------ */
.auth-screen {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 2rem;
}
.auth-card {
  background: var(--bg-elevated);
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  padding: 2.4rem;
  width: 100%;
  max-width: 400px;
  box-shadow: var(--shadow-deep);
  animation: cardIn 0.5s cubic-bezier(.2,.8,.2,1) both;
}
@keyframes cardIn {
  from { opacity: 0; transform: translateY(14px) scale(0.98); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}
.auth-card h1 { font-size: 1.9rem; margin-bottom: 0.3rem; }
.auth-card .sub { color: var(--ink-soft); margin-bottom: 1.6rem; font-size: 0.95rem; }
.field { margin-bottom: 1rem; }
.field label { display: block; font-size: 0.85rem; color: var(--ink-soft); margin-bottom: 0.35rem; }
.auth-switch { margin-top: 1.2rem; text-align: center; font-size: 0.9rem; color: var(--ink-soft); }
.auth-switch button { color: var(--accent-citrus); font-weight: 700; text-decoration: underline; }

/* ------------------------------------------------------------
   Uploader / interpretazione PDF
   ------------------------------------------------------------ */
.upload-zone {
  border: 2px dashed var(--line);
  border-radius: var(--radius-card);
  padding: 3rem 1.5rem;
  text-align: center;
  transition: border-color 0.2s ease, background 0.2s ease;
}
.upload-zone.drag-over { border-color: var(--accent-citrus); background: rgba(242,183,5,0.06); }
.upload-zone svg { width: 46px; height: 46px; color: var(--accent-citrus); margin-bottom: 0.8rem; }
.upload-zone h3 { font-size: 1.2rem; margin-bottom: 0.4rem; }

.parse-status {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  padding: 1rem 0;
  color: var(--ink-soft);
}
.spinner {
  width: 20px; height: 20px;
  border-radius: 50%;
  border: 2.5px solid var(--line);
  border-top-color: var(--accent-citrus);
  animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.review-day {
  background: var(--bg-elevated);
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  margin-bottom: 0.9rem;
  overflow: hidden;
}
.review-day-head {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  padding: 0.9rem 1.1rem;
}
.review-day-head input.day-label-input { max-width: 220px; font-weight: 700; }
.review-day-head select { max-width: 150px; }
.review-meals { padding: 0 1.1rem 1rem; display: flex; flex-direction: column; gap: 0.6rem; }
.review-meal { display: flex; gap: 0.6rem; align-items: flex-start; }
.review-meal input.meal-type-input { max-width: 190px; }
.review-meal textarea { min-height: 64px; resize: vertical; }
.review-meal .remove-meal { color: var(--ink-faint); padding: 0.6rem; }
.review-meal .remove-meal:hover { color: var(--danger); }
.add-meal-btn { align-self: flex-start; color: var(--accent-herb); font-weight: 700; font-size: 0.88rem; }
.review-actions { display: flex; gap: 0.8rem; margin-top: 1.4rem; }

/* ------------------------------------------------------------
   Vista settimana — striscia dei giorni
   ------------------------------------------------------------ */
.week-strip {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 0.5rem;
  margin-bottom: 1.6rem;
}
.day-tab {
  position: relative;
  background: var(--bg-elevated);
  border: 1px solid var(--line);
  border-radius: 14px 14px 4px 4px;
  padding: 0.85rem 0.4rem 0.7rem;
  text-align: center;
  transition: transform 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}
.day-tab .dname { display: block; font-size: 0.78rem; color: var(--ink-soft); margin-bottom: 0.5rem; }
.day-tab .dring {
  width: 32px; height: 32px;
  margin: 0 auto;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.7rem; font-weight: 700; color: var(--ink);
  background: conic-gradient(var(--accent-herb) calc(var(--pct, 0) * 1%), var(--line) 0);
}
.day-tab .dring::after {
  content: "";
  position: absolute;
  width: 24px; height: 24px;
  border-radius: 50%;
  background: var(--bg-elevated);
}
.day-tab .dring span { position: relative; z-index: 1; }
.day-tab:hover { transform: translateY(-2px); }
.day-tab.active { border-color: var(--accent-citrus); background: var(--bg-elevated-2); }
.day-tab.today::before {
  content: "";
  position: absolute; top: 6px; right: 6px;
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--accent-coral);
}

.day-detail {
  background: var(--bg-elevated);
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  padding: 1.6rem;
  animation: revealDay 0.45s cubic-bezier(.2,.8,.2,1) both;
}
@keyframes revealDay {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}
.day-detail h2 { font-size: 1.5rem; margin-bottom: 1.2rem; }

.meal-row {
  display: flex;
  align-items: flex-start;
  gap: 0.9rem;
  padding: 0.9rem 0;
  border-top: 1px solid var(--line);
}
.meal-row:first-of-type { border-top: none; }
.meal-check {
  width: 26px; height: 26px;
  border-radius: 50%;
  border: 2px solid var(--ink-faint);
  flex-shrink: 0;
  margin-top: 0.15rem;
  display: flex; align-items: center; justify-content: center;
  transition: border-color 0.2s ease, background 0.2s ease, transform 0.15s ease;
}
.meal-check svg { width: 14px; height: 14px; opacity: 0; transform: scale(0.5); transition: all 0.2s ease; }
.meal-check.done { border-color: var(--accent-herb); background: var(--accent-herb); }
.meal-check.done svg { opacity: 1; transform: scale(1); }
.meal-check:active { transform: scale(0.9); }
.meal-body { flex: 1; }
.meal-body .mtype { font-weight: 700; margin-bottom: 0.2rem; }
.meal-body .mtime { color: var(--ink-faint); font-size: 0.8rem; margin-left: 0.4rem; font-weight: 400; }
.meal-body .mitems { color: var(--ink-soft); white-space: pre-line; font-size: 0.92rem; line-height: 1.5; }
.meal-row.done .mtype, .meal-row.done .mitems { color: var(--ink-faint); text-decoration: line-through; text-decoration-color: rgba(185,194,183,0.4); }

.empty-state {
  text-align: center;
  padding: 4rem 1.5rem;
  color: var(--ink-soft);
}
.empty-state h2 { font-size: 1.6rem; margin-bottom: 0.6rem; color: var(--ink); }

/* ------------------------------------------------------------
   Progresso
   ------------------------------------------------------------ */
.progress-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-bottom: 1.4rem;
}
@media (max-width: 640px) { .progress-grid { grid-template-columns: 1fr; } }
.stat-card {
  background: var(--bg-elevated);
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  padding: 1.4rem;
}
.stat-card .big {
  font-family: var(--font-display);
  font-size: 2.6rem;
  color: var(--accent-citrus);
}
.stat-card .label { color: var(--ink-soft); font-size: 0.9rem; margin-top: 0.2rem; }

.weight-panel {
  background: var(--bg-elevated);
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  padding: 1.4rem;
}
.weight-panel h3 { margin-bottom: 1rem; }
.weight-form { display: flex; gap: 0.6rem; margin-top: 1rem; }
.weight-form input { flex: 1; }
canvas#weightChart { width: 100%; height: 180px; display: block; }

/* ------------------------------------------------------------
   Responsive
   ------------------------------------------------------------ */
@media (max-width: 700px) {
  .topbar { flex-wrap: wrap; gap: 0.6rem; }
  .topbar nav { order: 3; width: 100%; overflow-x: auto; }
  .week-strip { grid-template-columns: repeat(7, minmax(38px, 1fr)); gap: 0.35rem; }
  .day-tab { padding: 0.6rem 0.2rem 0.5rem; }
  .day-tab .dname { font-size: 0.65rem; }
}