:root {
  --bg: #0a0a0a;
  --card: #141414;
  --card-alt: #1a1a1a;
  --accent: #e63946;
  --accent2: #ff6b35;
  --green: #2ec4b6;
  --blue: #457b9d;
  --yellow: #ffb703;
  --purple: #9d4edd;
  --text: #f1faee;
  --text-dim: #a8a8a8;
  --border: #2a2a2a;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Source Sans 3', sans-serif;
  line-height: 1.5;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

/* ============ SCREENS ============ */
.screen { display: none; min-height: 100vh; }
.screen.active { display: block; }

/* ============ HEADER ============ */
.header {
  text-align: center;
  padding: 36px 20px 28px;
  border-bottom: 1px solid var(--border);
  background: linear-gradient(180deg, #1a0a0a 0%, var(--bg) 100%);
}

.header h1 {
  font-family: 'Oswald', sans-serif;
  font-weight: 700;
  font-size: 2rem;
  text-transform: uppercase;
  letter-spacing: 3px;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.header .subtitle {
  font-family: 'Oswald', sans-serif;
  font-weight: 300;
  font-size: 0.9rem;
  color: var(--text-dim);
  letter-spacing: 4px;
  text-transform: uppercase;
  margin-top: 6px;
}

/* ============ ONBOARDING ============ */
.onboard-header {
  text-align: center;
  padding: 40px 20px 20px;
}

.onboard-header h1 {
  font-family: 'Oswald', sans-serif;
  font-weight: 700;
  font-size: 2.4rem;
  text-transform: uppercase;
  letter-spacing: 4px;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.onboard-header .subtitle {
  font-family: 'Oswald', sans-serif;
  font-weight: 300;
  font-size: 0.85rem;
  color: var(--text-dim);
  letter-spacing: 3px;
  text-transform: uppercase;
  margin-top: 8px;
}

.progress-wrap {
  max-width: 500px;
  margin: 0 auto;
  padding: 0 20px 20px;
}

.progress-bar {
  background: var(--card);
  border-radius: 20px;
  height: 6px;
  overflow: hidden;
  border: 1px solid var(--border);
}

.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent), var(--accent2));
  border-radius: 20px;
  transition: width 0.4s ease;
  width: 0%;
}

.progress-text {
  text-align: right;
  font-size: 0.75rem;
  color: var(--text-dim);
  margin-top: 6px;
  letter-spacing: 1px;
  font-family: 'Oswald', sans-serif;
}

.question-container {
  max-width: 500px;
  margin: 0 auto;
  padding: 30px 20px;
  min-height: 400px;
}

.question {
  display: none;
}

.question.active { display: block; animation: fadeIn 0.3s ease; }

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.question-label {
  font-family: 'Oswald', sans-serif;
  font-weight: 600;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 3px;
  color: var(--accent);
  margin-bottom: 8px;
}

.question-title {
  font-family: 'Oswald', sans-serif;
  font-weight: 700;
  font-size: 1.6rem;
  margin-bottom: 8px;
  letter-spacing: 1px;
}

.question-help {
  color: var(--text-dim);
  font-size: 0.9rem;
  margin-bottom: 24px;
}

.input-text, .input-number, select.input-text {
  width: 100%;
  background: var(--card);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 14px 16px;
  font-size: 1rem;
  font-family: inherit;
  border-radius: 8px;
  outline: none;
  transition: border 0.2s;
}

.input-text:focus, .input-number:focus, select.input-text:focus {
  border-color: var(--accent);
}

.option-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.option {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 14px 18px;
  cursor: pointer;
  transition: all 0.18s;
  display: flex;
  align-items: center;
  justify-content: space-between;
  user-select: none;
}

.option:hover {
  border-color: #3a3a3a;
  background: var(--card-alt);
}

.option.selected {
  border-color: var(--accent);
  background: linear-gradient(135deg, rgba(230,57,70,0.1), rgba(255,107,53,0.05));
}

.option.selected .check {
  background: var(--accent);
  border-color: var(--accent);
}

.option.selected .check::after {
  content: '✓';
  color: white;
  font-weight: bold;
  font-size: 0.8rem;
}

.option-text {
  flex: 1;
}

.option-label {
  font-family: 'Oswald', sans-serif;
  font-weight: 600;
  font-size: 1rem;
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 2px;
}

.option-desc {
  font-size: 0.8rem;
  color: var(--text-dim);
}

.check {
  width: 22px;
  height: 22px;
  border: 1.5px solid var(--border);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-left: 14px;
  transition: all 0.2s;
}

.option.checkbox-style .check { border-radius: 4px; }

.input-row {
  display: flex;
  gap: 10px;
}

.input-row > * { flex: 1; }

.input-suffix {
  position: relative;
}

.input-suffix span {
  position: absolute;
  right: 16px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-dim);
  font-family: 'Oswald', sans-serif;
  font-size: 0.85rem;
  letter-spacing: 1px;
}

.onboard-nav {
  max-width: 500px;
  margin: 0 auto;
  padding: 20px 20px 50px;
  display: flex;
  gap: 10px;
}

.btn {
  font-family: 'Oswald', sans-serif;
  font-weight: 600;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  padding: 14px 24px;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.2s;
  flex: 1;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  color: white;
}

.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 4px 12px rgba(230,57,70,0.3); }
.btn-primary:disabled { opacity: 0.4; cursor: not-allowed; transform: none; box-shadow: none; }

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

.btn-ghost:hover { color: var(--text); border-color: #3a3a3a; }

/* ============ GENERATING ============ */
#generating {
  display: none;
  align-items: center;
  justify-content: center;
  text-align: center;
}
#generating.active { display: flex; }

.generating-content { padding: 40px; }

.spinner {
  width: 60px;
  height: 60px;
  border: 3px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin: 0 auto 30px;
}

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

.generating-content h2 {
  font-family: 'Oswald', sans-serif;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 3px;
  margin-bottom: 14px;
}

.generating-content p {
  color: var(--text-dim);
  letter-spacing: 1px;
  font-size: 0.9rem;
}

/* ============ DASHBOARD ============ */
.tabs {
  display: flex;
  justify-content: flex-start;
  gap: 0;
  margin: 24px auto 0;
  max-width: 760px;
  border-bottom: 2px solid var(--border);
  overflow-x: auto;
  scrollbar-width: none;
  padding: 0 16px;
}

.tabs::-webkit-scrollbar { display: none; }

.tab {
  font-family: 'Oswald', sans-serif;
  font-weight: 400;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  padding: 12px 16px;
  cursor: pointer;
  color: var(--text-dim);
  border-bottom: 2px solid transparent;
  transition: all 0.2s;
  margin-bottom: -2px;
  user-select: none;
  white-space: nowrap;
}

.tab:hover { color: var(--text); }
.tab.active { color: var(--accent); border-bottom-color: var(--accent); }

.content { max-width: 760px; margin: 0 auto; padding: 0 16px 60px; }

.view { display: none; }
.view.active { display: block; }

/* ============ DAY CARDS ============ */
.section-label {
  font-family: 'Oswald', sans-serif;
  font-weight: 600;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 3px;
  color: var(--accent);
  margin: 28px 0 6px;
}

.section-title {
  font-family: 'Oswald', sans-serif;
  font-weight: 700;
  font-size: 1.4rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 16px;
}

.day-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  margin-bottom: 14px;
  overflow: hidden;
  transition: border-color 0.2s;
}

.day-card:hover { border-color: #3a3a3a; }

.day-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 18px;
  cursor: pointer;
  user-select: none;
  gap: 10px;
}

.day-header-left { display: flex; align-items: center; gap: 12px; flex: 1; min-width: 0; }

.day-num {
  font-family: 'Oswald', sans-serif;
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--accent);
  min-width: 38px;
}

.day-title {
  font-family: 'Oswald', sans-serif;
  font-weight: 400;
  font-size: 0.92rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.day-tag {
  font-size: 0.65rem;
  padding: 3px 9px;
  border-radius: 20px;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  white-space: nowrap;
}

.tag-train { background: rgba(230,57,70,0.15); color: var(--accent); }
.tag-rest { background: rgba(46,196,182,0.15); color: var(--green); }
.tag-pump { background: rgba(255,107,53,0.15); color: var(--accent2); }
.tag-cardio { background: rgba(69,123,157,0.15); color: var(--blue); }
.tag-double { background: rgba(255,183,3,0.15); color: var(--yellow); }
.tag-mobility { background: rgba(157,78,221,0.15); color: var(--purple); }

.chevron { transition: transform 0.25s; color: var(--text-dim); font-size: 0.75rem; }
.day-card.open .chevron { transform: rotate(180deg); }

.day-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease;
}

.day-card.open .day-body { max-height: 3000px; }

.day-content { padding: 0 18px 18px; }

.session-block {
  background: var(--card-alt);
  border-radius: 6px;
  padding: 12px 14px;
  margin-bottom: 12px;
  border-left: 3px solid var(--blue);
}

.session-block.pm { border-left-color: var(--accent); }
.session-block.pump { border-left-color: var(--accent2); }
.session-block.rest { border-left-color: var(--green); }

.session-title {
  font-family: 'Oswald', sans-serif;
  font-weight: 600;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 8px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
}

.session-time {
  font-size: 0.7rem;
  color: var(--text-dim);
  font-weight: 400;
  letter-spacing: 1px;
}

.exercise-group { margin-bottom: 10px; }

.group-label {
  font-family: 'Oswald', sans-serif;
  font-weight: 400;
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--text-dim);
  margin-bottom: 6px;
  padding-bottom: 3px;
  border-bottom: 1px solid var(--border);
}

.exercise {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 6px 0;
  font-size: 0.86rem;
  gap: 12px;
}

.exercise-name { color: var(--text); flex: 1; }
.exercise-detail {
  color: var(--accent2);
  font-family: 'Oswald', sans-serif;
  font-weight: 400;
  font-size: 0.85rem;
  white-space: nowrap;
}

.note {
  background: var(--card-alt);
  border-left: 2px solid var(--green);
  padding: 10px 14px;
  font-size: 0.82rem;
  color: var(--text-dim);
  margin-top: 10px;
  line-height: 1.5;
}

.note strong { color: var(--green); }

/* ============ NUTRITION CARDS ============ */
.nutri-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 18px;
  margin-bottom: 12px;
}

.nutri-title {
  font-family: 'Oswald', sans-serif;
  font-weight: 600;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 12px;
  color: var(--accent2);
}

.nutri-row {
  display: flex;
  justify-content: space-between;
  padding: 6px 0;
  font-size: 0.85rem;
  border-bottom: 1px solid #1f1f1f;
  gap: 12px;
}

.nutri-row:last-child { border: none; }
.nutri-label { color: var(--text-dim); }
.nutri-value { color: var(--text); font-weight: 600; text-align: right; }

.macro-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  margin-bottom: 16px;
}

.macro-box {
  background: var(--card-alt);
  border-radius: 6px;
  padding: 12px 8px;
  text-align: center;
  border: 1px solid var(--border);
}

.macro-value {
  font-family: 'Oswald', sans-serif;
  font-weight: 700;
  font-size: 1.4rem;
  color: var(--accent2);
}

.macro-label {
  font-family: 'Oswald', sans-serif;
  font-size: 0.7rem;
  letter-spacing: 1px;
  color: var(--text-dim);
  text-transform: uppercase;
  margin-top: 4px;
}

.meal-card {
  background: var(--card-alt);
  border-radius: 6px;
  padding: 12px 14px;
  margin-bottom: 8px;
  border-left: 2px solid var(--accent2);
}

.meal-title {
  font-family: 'Oswald', sans-serif;
  font-weight: 600;
  font-size: 0.8rem;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  margin-bottom: 6px;
}

.meal-content {
  font-size: 0.85rem;
  color: var(--text-dim);
  line-height: 1.5;
}

/* ============ TIPS ============ */
.tip-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-left: 3px solid var(--yellow);
  border-radius: 6px;
  padding: 14px 16px;
  margin-bottom: 10px;
}

.tip-cat {
  font-family: 'Oswald', sans-serif;
  font-size: 0.7rem;
  color: var(--yellow);
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 4px;
}

.tip-text {
  font-size: 0.88rem;
  line-height: 1.55;
  color: var(--text);
}

/* ============ OVERVIEW (3 mois) ============ */
.month-block {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 18px;
  margin-bottom: 14px;
}

.month-title {
  font-family: 'Oswald', sans-serif;
  font-weight: 700;
  font-size: 1.2rem;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 6px;
}

.month-focus {
  font-size: 0.85rem;
  color: var(--text-dim);
  margin-bottom: 14px;
  line-height: 1.5;
}

.week-strip {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 4px;
  margin-bottom: 8px;
}

.week-day {
  aspect-ratio: 1;
  background: var(--card-alt);
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
  font-family: 'Oswald', sans-serif;
  text-transform: uppercase;
  color: var(--text-dim);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.15s;
}

.week-day.train { background: rgba(230,57,70,0.2); color: var(--accent); }
.week-day.cardio { background: rgba(69,123,157,0.2); color: var(--blue); }
.week-day.rest { background: rgba(46,196,182,0.15); color: var(--green); }
.week-day.mobility { background: rgba(157,78,221,0.15); color: var(--purple); }
.week-day.today { border-color: var(--text); }

.week-label {
  font-family: 'Oswald', sans-serif;
  font-size: 0.72rem;
  letter-spacing: 2px;
  color: var(--text-dim);
  text-transform: uppercase;
  margin: 14px 0 6px;
}

/* ============ PROFILE ============ */
.profile-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 18px;
  margin-bottom: 14px;
}

.profile-row {
  display: flex;
  justify-content: space-between;
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.9rem;
}

.profile-row:last-child { border: none; }
.profile-label { color: var(--text-dim); text-transform: uppercase; font-family: 'Oswald', sans-serif; font-size: 0.78rem; letter-spacing: 1.5px; }
.profile-value { color: var(--text); font-weight: 600; text-align: right; }

.danger-btn {
  background: var(--card);
  color: var(--accent);
  border: 1px solid rgba(230,57,70,0.4);
  font-family: 'Oswald', sans-serif;
  text-transform: uppercase;
  letter-spacing: 2px;
  padding: 12px 20px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 0.85rem;
  margin-top: 14px;
  width: 100%;
}

.danger-btn:hover { background: rgba(230,57,70,0.1); }

/* ============ TODAY HIGHLIGHT ============ */
.today-banner {
  background: linear-gradient(135deg, rgba(230,57,70,0.1), rgba(255,107,53,0.05));
  border: 1px solid rgba(230,57,70,0.3);
  border-radius: 8px;
  padding: 18px;
  margin-bottom: 18px;
  margin-top: 24px;
}

.today-date {
  font-family: 'Oswald', sans-serif;
  font-size: 0.75rem;
  color: var(--accent);
  letter-spacing: 3px;
  text-transform: uppercase;
}

.today-name {
  font-family: 'Oswald', sans-serif;
  font-weight: 700;
  font-size: 1.6rem;
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-top: 4px;
}

.today-meta {
  font-size: 0.85rem;
  color: var(--text-dim);
  margin-top: 6px;
}

/* ============ MOBILE ============ */
@media (max-width: 500px) {
  .header h1, .onboard-header h1 { font-size: 1.6rem; }
  .question-title { font-size: 1.3rem; }
  .tab { padding: 10px 12px; font-size: 0.72rem; letter-spacing: 1px; }
  .exercise { font-size: 0.8rem; }
  .macro-value { font-size: 1.1rem; }
}