/* ==========================================================
   FAM FITNESS — Styles
   Palette sampled directly from the client logo:
   red #C81725 / charcoal #3C4241 / gray #A3A2A2 / black #0a0a0a
   ========================================================== */

@import url('https://fonts.googleapis.com/css2?family=Oswald:wght@500;600;700&family=Inter:wght@400;500;600;700&display=swap');

:root {
  --red: #C81725;
  --red-dark: #8f0f1a;
  --red-soft: rgba(200, 23, 37, 0.14);
  --charcoal: #3C4241;
  --gray-mid: #525453;
  --gray-light: #A3A2A2;
  --black: #0a0a0a;
  --black-2: #151515;
  --black-3: #1e1e1e;
  --white: #ffffff;
  --border: #2b2b2b;
  --radius: 10px;
  --font-display: 'Oswald', 'Arial Narrow', sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--black);
  color: var(--white);
  font-family: var(--font-body);
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  text-transform: uppercase;
  letter-spacing: 0.03em;
  margin: 0;
}

button, input, select, textarea {
  font-family: var(--font-body);
}

.hidden { display: none !important; }

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

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 24px;
  background: var(--black-2);
  border-bottom: 3px solid var(--red);
  position: sticky;
  top: 0;
  z-index: 20;
}
.brand { display: flex; align-items: center; gap: 14px; }
.logo { height: 44px; width: auto; }
.brand-text h1 { font-size: 20px; color: var(--white); }
.brand-text p { margin: 2px 0 0; font-size: 12px; color: var(--gray-light); }

.conn-status { font-size: 12px; color: var(--gray-light); white-space: nowrap; }
.conn-ok { color: #4caf6b; }
.conn-bad { color: var(--red); }

.app-body { flex: 1; display: flex; }

/* ---------------- Nav (sidebar desktop) ---------------- */
.nav {
  width: 220px;
  flex-shrink: 0;
  background: var(--black-2);
  border-right: 1px solid var(--border);
  padding: 18px 10px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.nav-btn {
  display: flex;
  align-items: center;
  gap: 10px;
  background: transparent;
  border: none;
  color: var(--gray-light);
  padding: 12px 14px;
  border-radius: var(--radius);
  cursor: pointer;
  font-size: 14px;
  font-weight: 600;
  text-align: left;
  transition: background 0.15s, color 0.15s;
}
.nav-btn:hover { background: var(--black-3); color: var(--white); }
.nav-btn.active { background: var(--red); color: var(--white); }
.nav-icon { font-size: 16px; width: 18px; text-align: center; }

/* ---------------- Content ---------------- */
.content { flex: 1; padding: 24px 28px 60px; max-width: 1080px; }
.page { display: none; }
.page.active { display: block; }
.page-title { font-size: 26px; margin-bottom: 18px; color: var(--white); }
.section-subtitle {
  font-size: 14px;
  color: var(--red);
  margin: 22px 0 10px;
  border-bottom: 1px solid var(--border);
  padding-bottom: 6px;
}

.panel {
  background: var(--black-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  margin-bottom: 22px;
}
.panel h3 { font-size: 16px; margin-bottom: 14px; color: var(--white); }
.panel-header-row { display: flex; align-items: center; justify-content: space-between; margin-bottom: 14px; flex-wrap: wrap; gap: 10px; }

/* ---------------- Stat cards ---------------- */
.stat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-bottom: 20px; }
.stat-card {
  background: var(--black-2);
  border: 1px solid var(--border);
  border-left: 4px solid var(--charcoal);
  border-radius: var(--radius);
  padding: 16px 18px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.stat-card span { font-size: 12px; color: var(--gray-light); text-transform: uppercase; letter-spacing: 0.04em; }
.stat-card strong { font-size: 28px; font-family: var(--font-display); }
.stat-card.accent { border-left-color: var(--red); }

.quick-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 22px; }

/* ---------------- Buttons ---------------- */
.btn {
  font-family: var(--font-display);
  text-transform: uppercase;
  letter-spacing: 0.03em;
  font-size: 13px;
  padding: 12px 20px;
  border-radius: 8px;
  border: none;
  cursor: pointer;
  transition: transform 0.1s, background 0.15s, opacity 0.15s;
}
.btn:active { transform: scale(0.98); }
.btn-primary { background: var(--red); color: var(--white); }
.btn-primary:hover { background: var(--red-dark); }
.btn-outline { background: transparent; color: var(--red); border: 1.5px solid var(--red); }
.btn-outline:hover { background: var(--red-soft); }
.btn:disabled { opacity: 0.4; cursor: not-allowed; }
.btn-small {
  background: var(--black-3);
  color: var(--gray-light);
  border: 1px solid var(--border);
  padding: 6px 12px;
  border-radius: 6px;
  font-size: 11px;
  cursor: pointer;
  text-transform: uppercase;
}
.btn-small:hover { border-color: var(--red); color: var(--white); }

/* ---------------- Forms ---------------- */
.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 14px;
  margin-bottom: 6px;
}
.field { display: flex; flex-direction: column; gap: 6px; }
.field-wide { grid-column: 1 / -1; }
.field label { font-size: 12px; color: var(--gray-light); text-transform: uppercase; letter-spacing: 0.03em; }

input, select, textarea {
  background: var(--black-3);
  border: 1px solid var(--border);
  color: var(--white);
  padding: 10px 12px;
  border-radius: 7px;
  font-size: 14px;
  outline: none;
  width: 100%;
}
input:focus, select:focus, textarea:focus { border-color: var(--red); box-shadow: 0 0 0 3px var(--red-soft); }
textarea { resize: vertical; font-family: var(--font-body); }

.search-input { max-width: 260px; }

/* ---------------- Rating widget ---------------- */
.rating-group { margin: 16px 0; display: flex; flex-direction: column; gap: 10px; }
.rating-row { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }
.rating-label { width: 110px; font-size: 13px; font-weight: 600; color: var(--white); }
.rating-buttons { display: flex; gap: 8px; }
.rating-btn {
  width: 38px; height: 38px;
  border-radius: 50%;
  border: 1.5px solid var(--border);
  background: var(--black-3);
  color: var(--gray-light);
  font-family: var(--font-display);
  font-size: 14px;
  cursor: pointer;
}
.rating-btn.active { background: var(--red); border-color: var(--red); color: var(--white); }

/* ---------------- Tables ---------------- */
.data-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.data-table th, .data-table td { padding: 10px 12px; text-align: left; border-bottom: 1px solid var(--border); }
.data-table th { color: var(--gray-light); text-transform: uppercase; font-size: 11px; letter-spacing: 0.03em; }
.data-table tbody tr:hover { background: var(--black-3); }
.empty-row { text-align: center; color: var(--gray-light); padding: 22px !important; }

.badge { padding: 3px 10px; border-radius: 20px; font-size: 11px; text-transform: uppercase; }
.badge-green { background: rgba(76, 175, 107, 0.16); color: #4caf6b; }
.badge-gray { background: var(--black-3); color: var(--gray-light); }

.due-note { font-size: 13px; color: var(--gray-light); margin: 4px 0 14px; }
.due-note.due-now { color: var(--red); font-weight: 600; }

/* ---------------- Photo upload ---------------- */
.photo-upload-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-bottom: 10px; }
.photo-upload { display: flex; flex-direction: column; gap: 8px; }
.photo-upload label { font-size: 12px; color: var(--gray-light); text-transform: uppercase; }
.photo-preview {
  width: 100%; aspect-ratio: 3/4; object-fit: cover;
  border-radius: 8px; border: 1px solid var(--border); background: var(--black-3);
}
.photo-upload input[type="file"] { font-size: 12px; padding: 8px; }

/* ---------------- Reports ---------------- */
.summary-cards { display: flex; gap: 12px; flex-wrap: wrap; margin: 14px 0 20px; }
.summary-card {
  background: var(--black-3); border: 1px solid var(--border); border-radius: 8px;
  padding: 12px 16px; min-width: 110px; text-align: center;
}
.summary-card span { display: block; font-size: 11px; color: var(--gray-light); text-transform: uppercase; margin-bottom: 6px; }
.summary-card strong { font-size: 20px; font-family: var(--font-display); color: var(--red); }

#reportCanvas { max-width: 100%; margin: 16px 0 24px; }

.photo-compare { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-top: 14px; }
.photo-col-label { display: block; font-size: 12px; color: var(--gray-light); text-transform: uppercase; margin-bottom: 8px; }
.photo-trio { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.photo-trio img { width: 100%; aspect-ratio: 3/4; object-fit: cover; border-radius: 6px; border: 1px solid var(--border); }
.photo-placeholder {
  aspect-ratio: 3/4; display: flex; align-items: center; justify-content: center;
  background: var(--black-3); border: 1px dashed var(--border); border-radius: 6px;
  font-size: 10px; color: var(--gray-light); text-align: center; padding: 4px;
}

.muted { color: var(--gray-light); font-size: 13px; }
.pos { color: #4caf6b; }
.neg { color: var(--red); }

/* ---------------- Toast + loading ---------------- */
.toast {
  position: fixed; bottom: 90px; left: 50%; transform: translateX(-50%) translateY(20px);
  background: var(--black-3); color: var(--white); padding: 12px 22px; border-radius: 8px;
  border: 1px solid var(--border); font-size: 13px; opacity: 0; pointer-events: none;
  transition: opacity 0.2s, transform 0.2s; z-index: 100; max-width: 90vw; text-align: center;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }
.toast.error { border-color: var(--red); background: #2a1113; }
.toast.warn { border-color: #b8860b; background: #2a2311; }

.loading-overlay {
  position: fixed; inset: 0; background: rgba(0,0,0,0.55);
  display: flex; align-items: center; justify-content: center; z-index: 200;
}
.spinner {
  width: 44px; height: 44px; border-radius: 50%;
  border: 4px solid var(--black-3); border-top-color: var(--red);
  animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ---------------- Responsive ---------------- */
@media (max-width: 900px) {
  .app-body { flex-direction: column; }
  .nav {
    width: 100%; flex-direction: row; justify-content: space-around;
    position: fixed; bottom: 0; left: 0; right: 0; z-index: 50;
    border-right: none; border-top: 1px solid var(--border);
    padding: 8px 4px; padding-bottom: max(8px, env(safe-area-inset-bottom));
  }
  .nav-btn { flex-direction: column; gap: 2px; padding: 6px 4px; font-size: 10px; flex: 1; }
  .nav-icon { font-size: 18px; }
  .content { padding: 18px 16px 90px; }
  .topbar { padding: 10px 14px; }
  .brand-text h1 { font-size: 17px; }
  .stat-grid { grid-template-columns: repeat(2, 1fr); }
  .photo-upload-grid { grid-template-columns: repeat(3, 1fr); gap: 8px; }
  .photo-compare { grid-template-columns: 1fr; }
  .rating-label { width: 100%; }
}

@media (max-width: 480px) {
  .stat-grid { grid-template-columns: 1fr 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .rating-btn { width: 34px; height: 34px; }
}