/* ===== APP SHELL ===== */
.app-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10, 10, 15, 0.9);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.app-header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.app-logo {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: 0.5px;
  color: var(--fg);
  text-decoration: none;
}

.app-nav {
  display: flex;
  gap: 24px;
}

.app-nav a {
  color: var(--fg-muted);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  transition: color 0.2s;
}

.app-nav a:hover,
.app-nav a.active {
  color: var(--accent);
}

.app-main {
  min-height: calc(100vh - 60px);
}

/* ===== SHARED BUTTONS ===== */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: var(--accent);
  color: #000;
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 700;
  padding: 14px 28px;
  border-radius: var(--radius);
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: opacity 0.2s, transform 0.15s;
}

.btn-primary:hover { opacity: 0.9; transform: translateY(-1px); }
.btn-primary:disabled { opacity: 0.5; cursor: not-allowed; transform: none; }
.btn-primary.btn-full { width: 100%; margin-top: 8px; }

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  color: var(--fg);
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 600;
  padding: 13px 24px;
  border-radius: var(--radius);
  border: 1px solid rgba(255,255,255,0.12);
  cursor: pointer;
  text-decoration: none;
  transition: border-color 0.2s, color 0.2s;
}

.btn-secondary:hover { border-color: var(--accent); color: var(--accent); }

/* ===== FORM ELEMENTS ===== */
.form-section {
  margin-bottom: 36px;
}

.form-label {
  display: block;
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 14px;
  color: var(--fg);
}

.form-hint {
  font-family: var(--font-body);
  font-size: 0.8rem;
  font-weight: 400;
  color: var(--fg-muted);
}

.checkbox-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.checkbox-card { cursor: pointer; }
.checkbox-card input { display: none; }

.checkbox-card-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 18px 12px;
  background: var(--bg-card);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius);
  font-size: 0.875rem;
  font-weight: 500;
  text-align: center;
  transition: border-color 0.2s, background 0.2s;
}

.checkbox-icon { font-size: 1.5rem; }

.checkbox-card input:checked + .checkbox-card-inner {
  border-color: var(--accent);
  background: var(--accent-dim);
  color: var(--fg);
}

.checkbox-card-inner:hover {
  border-color: rgba(0, 230, 138, 0.3);
}

.radio-group {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.radio-card { cursor: pointer; }
.radio-card input { display: none; }

.radio-card-inner {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 18px 20px;
  background: var(--bg-card);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius);
  transition: border-color 0.2s, background 0.2s;
}

.radio-card-inner strong {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 600;
}

.radio-card-inner span {
  font-size: 0.8rem;
  color: var(--fg-muted);
}

.radio-card input:checked + .radio-card-inner {
  border-color: var(--accent);
  background: var(--accent-dim);
}

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

.number-card { cursor: pointer; }
.number-card input { display: none; }

.number-card-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 52px;
  padding: 12px 16px;
  background: var(--bg-card);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 8px;
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 600;
  transition: border-color 0.2s, background 0.2s;
}

.number-card input:checked + .number-card-inner {
  border-color: var(--accent);
  background: var(--accent-dim);
  color: var(--accent);
}

.select-wrap { position: relative; }

.form-select {
  width: 100%;
  max-width: 320px;
  appearance: none;
  background: var(--bg-card);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius);
  color: var(--fg);
  font-family: var(--font-body);
  font-size: 0.95rem;
  padding: 13px 18px;
  cursor: pointer;
}

.form-select:focus { outline: none; border-color: var(--accent); }

.form-textarea {
  width: 100%;
  background: var(--bg-card);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius);
  color: var(--fg);
  font-family: var(--font-body);
  font-size: 0.95rem;
  padding: 14px 18px;
  resize: vertical;
  line-height: 1.6;
}

.form-textarea:focus { outline: none; border-color: var(--accent); }
.form-textarea::placeholder { color: var(--fg-muted); }

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}

.form-col {}

/* ===== INTAKE PAGE ===== */
.intake-page { padding: 60px 24px 100px; }

.intake-inner {
  max-width: 760px;
  margin: 0 auto;
}

.intake-header { margin-bottom: 52px; }
.intake-header h1 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -1.5px;
  margin-bottom: 14px;
  margin-top: 16px;
}

/* ===== COACH DASHBOARD ===== */
.coach-page { padding: 60px 24px 100px; }

.coach-inner {
  max-width: var(--max-width);
  margin: 0 auto;
}

.coach-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 52px;
  flex-wrap: wrap;
}

.coach-header h1 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -1.5px;
  margin-top: 16px;
  margin-bottom: 8px;
}

.coach-actions {
  display: flex;
  gap: 12px;
  align-items: center;
  flex-shrink: 0;
  padding-top: 8px;
}

.plan-empty {
  background: var(--bg-card);
  border: 1px dashed rgba(255,255,255,0.1);
  border-radius: var(--radius);
  padding: 80px 40px;
  text-align: center;
  margin-bottom: 40px;
}

.plan-empty-icon { font-size: 3rem; margin-bottom: 20px; }
.plan-empty h2 {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 600;
  margin-bottom: 12px;
}
.plan-empty p { color: var(--fg-muted); max-width: 400px; margin: 0 auto; }

/* Loading */
.plan-loading {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
  padding: 80px 40px;
  color: var(--fg-muted);
}

.loading-spinner {
  width: 36px;
  height: 36px;
  border: 3px solid rgba(0, 230, 138, 0.15);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

.loading-spinner.small { width: 24px; height: 24px; border-width: 2px; }

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

.loading-sub { font-size: 0.8rem; opacity: 0.6; }

/* Plan grid */
.plan-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  margin-bottom: 40px;
}

.plan-section.full-width { grid-column: 1 / -1; }

.section-title {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: 0.5px;
  margin-bottom: 20px;
  color: var(--fg-muted);
  text-transform: uppercase;
  font-size: 0.8rem;
  letter-spacing: 2px;
}

/* Day cards */
.day-cards {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.day-card {
  background: var(--bg-card);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color 0.2s;
}

.day-card:hover { border-color: rgba(0, 230, 138, 0.15); }

.day-card-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 20px;
  border-bottom: 1px solid rgba(255,255,255,0.05);
  background: rgba(0,0,0,0.2);
  flex-wrap: wrap;
}

.day-name {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0.5px;
  min-width: 80px;
}

.day-focus { font-size: 0.9rem; font-weight: 500; flex: 1; }

.day-meta {
  font-size: 0.75rem;
  color: var(--fg-muted);
  background: rgba(255,255,255,0.05);
  padding: 3px 8px;
  border-radius: 4px;
}

.exercise-list {
  padding: 10px 20px 14px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.exercise-row {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 6px 0;
}

.ex-name { flex: 1; font-size: 0.9rem; }

.ex-sets {
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--accent);
  white-space: nowrap;
}

.ex-rest {
  font-size: 0.75rem;
  color: var(--fg-muted);
  white-space: nowrap;
}

.ex-note {
  font-size: 0.8rem;
  color: var(--fg-muted);
  padding: 0 0 6px 0;
  font-style: italic;
}

.rest-days-note {
  font-size: 0.8rem;
  color: var(--fg-muted);
  padding: 10px 4px;
}

/* Nutrition card */
.nutrition-card {
  background: var(--bg-card);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius);
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.nutrition-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(255,255,255,0.04);
  font-size: 0.9rem;
  color: var(--fg-muted);
}

.nutrition-row strong { color: var(--fg); }

.nutrition-detail { padding-top: 4px; }

.nutrition-label {
  font-family: var(--font-display);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--fg-muted);
  margin-bottom: 6px;
}

.nutrition-detail p:last-child { font-size: 0.9rem; color: var(--fg-muted); }

/* Notes cards */
.plan-notes-card {
  background: var(--bg-card);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius);
  padding: 24px;
  font-size: 0.95rem;
  color: var(--fg-muted);
  line-height: 1.65;
}

.plan-notes-card.accent-border { border-color: rgba(0, 230, 138, 0.15); }

/* Check-in history */
.coach-section { margin-top: 52px; }

.checkin-history {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.checkin-history-card {
  background: var(--bg-card);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius);
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.checkin-history-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.checkin-type-badge {
  font-size: 0.75rem;
  font-weight: 600;
  padding: 3px 8px;
  border-radius: 4px;
}

.checkin-type-badge.morning { background: rgba(255, 200, 50, 0.1); color: #ffc83a; }
.checkin-type-badge.evening { background: rgba(100, 100, 200, 0.1); color: #a0a0e8; }

.checkin-date { font-size: 0.75rem; color: var(--fg-muted); }

.checkin-metrics {
  display: flex;
  gap: 12px;
  font-size: 0.85rem;
}

.checkin-recap {
  font-size: 0.82rem;
  color: var(--fg-muted);
  line-height: 1.5;
}

/* ===== CHECK-IN PAGE ===== */
.checkin-page { padding: 60px 24px 100px; }

.checkin-inner {
  max-width: 860px;
  margin: 0 auto;
}

.checkin-header { margin-bottom: 48px; }
.checkin-header h1 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -1.5px;
  margin-top: 16px;
  margin-bottom: 14px;
}

.checkin-panels {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-bottom: 48px;
}

.checkin-panel {
  background: var(--bg-card);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius);
  padding: 28px;
}

.checkin-panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
}

.checkin-label {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
}

.checkin-done-badge {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--accent);
  background: var(--accent-dim);
  border: 1px solid rgba(0,230,138,0.2);
  padding: 4px 10px;
  border-radius: 100px;
}

.checkin-complete { display: flex; flex-direction: column; gap: 14px; }

.metric-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.9rem;
  background: var(--bg-elevated);
  border: 1px solid rgba(255,255,255,0.06);
  padding: 8px 14px;
  border-radius: 8px;
}

.checkin-notes-text {
  font-size: 0.9rem;
  color: var(--fg-muted);
  font-style: italic;
}

/* Energy slider */
.energy-slider-wrap { display: flex; flex-direction: column; gap: 10px; }

.energy-slider {
  width: 100%;
  accent-color: var(--accent);
  cursor: pointer;
}

.energy-labels {
  display: flex;
  justify-content: space-between;
  font-size: 0.78rem;
  color: var(--fg-muted);
}

#energy-val {
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--accent);
}

/* AI Recap */
.recap-loading {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 20px 0;
  color: var(--fg-muted);
  font-size: 0.9rem;
}

.ai-recap {
  background: linear-gradient(160deg, rgba(0,230,138,0.06) 0%, transparent 60%);
  border: 1px solid rgba(0,230,138,0.15);
  border-radius: var(--radius);
  padding: 20px;
  margin-top: 8px;
}

.ai-recap-text {
  font-size: 0.95rem;
  color: var(--fg);
  line-height: 1.7;
}

/* ===== ERROR PAGE ===== */
.app-error {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 60vh;
  gap: 16px;
  text-align: center;
  padding: 40px;
}

.app-error h2 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
}

.app-error p { color: var(--fg-muted); margin-bottom: 8px; }

/* ===== LANDING PAGE - CTA button style ===== */
.cta-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--accent);
  color: #000;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  padding: 16px 36px;
  border-radius: var(--radius);
  text-decoration: none;
  transition: opacity 0.2s, transform 0.15s;
  letter-spacing: 0.3px;
}

.cta-btn:hover { opacity: 0.9; transform: translateY(-2px); }

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .checkbox-grid { grid-template-columns: repeat(2, 1fr); }
  .radio-group { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; gap: 24px; }
  .coach-header { flex-direction: column; gap: 16px; }
  .coach-actions { width: 100%; justify-content: flex-start; }
  .plan-grid { grid-template-columns: 1fr; }
  .checkin-panels { grid-template-columns: 1fr; }
  .checkin-history { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 480px) {
  .checkbox-grid { grid-template-columns: 1fr 1fr; }
  .checkin-history { grid-template-columns: 1fr; }
  .number-row { gap: 8px; }
  .number-card-inner { min-width: 44px; padding: 10px 12px; }
}

/* ===== AUTH PAGES ===== */
.auth-page {
  min-height: calc(100vh - 60px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 60px 24px;
}

.auth-card {
  width: 100%;
  max-width: 440px;
  background: var(--bg-card);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 16px;
  padding: 48px 40px;
}

.auth-card h1 {
  font-family: var(--font-display);
  font-size: 2.2rem;
  font-weight: 700;
  letter-spacing: -1px;
  margin: 16px 0 8px;
}

.auth-sub {
  color: var(--fg-muted);
  font-size: 0.95rem;
  margin-bottom: 28px;
}

.auth-error {
  background: rgba(255, 77, 106, 0.12);
  border: 1px solid rgba(255, 77, 106, 0.25);
  border-radius: 8px;
  color: var(--red);
  font-size: 0.9rem;
  padding: 12px 16px;
  margin-bottom: 20px;
}

.auth-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.auth-form .form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.auth-form label {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--fg);
  letter-spacing: 0.3px;
}

.auth-form input {
  width: 100%;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 8px;
  color: var(--fg);
  font-family: var(--font-body);
  font-size: 0.95rem;
  padding: 13px 16px;
  transition: border-color 0.2s;
  outline: none;
}

.auth-form input:focus {
  border-color: var(--accent);
}

.auth-switch {
  text-align: center;
  font-size: 0.85rem;
  color: var(--fg-muted);
  margin-top: 16px;
}

.auth-switch a {
  color: var(--accent);
  text-decoration: none;
}

.auth-switch a:hover { text-decoration: underline; }

/* Nav logout button — matches nav link styling */
.nav-logout-btn {
  background: none;
  border: none;
  color: var(--fg-muted);
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  padding: 0;
  transition: color 0.2s;
}

.nav-logout-btn:hover { color: var(--accent); }

/* Save-plan banner — shown on /coach for anonymous users with an existing plan */
.save-plan-banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  background: var(--accent-dim);
  border: 1px solid rgba(0,230,138,0.2);
  border-radius: 10px;
  padding: 14px 20px;
  margin-bottom: 24px;
  font-size: 0.9rem;
  color: var(--fg-muted);
  flex-wrap: wrap;
}

.save-plan-link {
  color: var(--accent);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.9rem;
  text-decoration: none;
  white-space: nowrap;
}

.save-plan-link:hover { text-decoration: underline; }

/* Nav save-progress CTA for anonymous users with a plan */
.btn-nav-cta {
  background: var(--accent-dim);
  border: 1px solid rgba(0,230,138,0.25);
  color: var(--accent);
  font-family: var(--font-display);
  font-size: 0.82rem;
  font-weight: 700;
  padding: 6px 14px;
  border-radius: 8px;
  text-decoration: none;
  letter-spacing: 0.3px;
  transition: background 0.2s;
}

.btn-nav-cta:hover { background: rgba(0,230,138,0.2); }