/* ═══════════════════════════════════════════════════════
   NutriTrack Pro — Commercial Design System v3
   Themes: Green (default) | Blue | Purple | Orange
   Modes:  Light | Dark
═══════════════════════════════════════════════════════ */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=Sora:wght@600;700;800&display=swap');

/* ── THEME TOKENS ── */
:root {
  --font-body: 'Inter', system-ui, sans-serif;
  --font-head: 'Sora', 'Inter', sans-serif;
  --radius-sm: 8px;
  --radius:    12px;
  --radius-lg: 18px;
  --radius-xl: 24px;
  --shadow-sm: 0 1px 4px rgba(0,0,0,.06), 0 1px 2px rgba(0,0,0,.04);
  --shadow:    0 4px 16px rgba(0,0,0,.08), 0 1px 4px rgba(0,0,0,.04);
  --shadow-lg: 0 12px 40px rgba(0,0,0,.12), 0 4px 12px rgba(0,0,0,.06);
  --shadow-xl: 0 24px 64px rgba(0,0,0,.16);
  --nav-w: 256px;
  --topbar-h: 64px;
  --transition: all .2s cubic-bezier(.4,0,.2,1);
}

/* ── GREEN THEME (default) ── */
[data-theme="green"], :root {
  --brand:        #16a34a;
  --brand-light:  #22c55e;
  --brand-dark:   #15803d;
  --brand-dim:    #dcfce7;
  --brand-mid:    #bbf7d0;
  --accent:       #f59e0b;
  --accent-light: #fef3c7;
}
/* ── BLUE THEME ── */
[data-theme="blue"] {
  --brand:        #2563eb;
  --brand-light:  #3b82f6;
  --brand-dark:   #1d4ed8;
  --brand-dim:    #dbeafe;
  --brand-mid:    #bfdbfe;
  --accent:       #f59e0b;
  --accent-light: #fef3c7;
}
/* ── PURPLE THEME ── */
[data-theme="purple"] {
  --brand:        #7c3aed;
  --brand-light:  #8b5cf6;
  --brand-dark:   #6d28d9;
  --brand-dim:    #ede9fe;
  --brand-mid:    #ddd6fe;
  --accent:       #f59e0b;
  --accent-light: #fef3c7;
}
/* ── ORANGE THEME ── */
[data-theme="orange"] {
  --brand:        #ea580c;
  --brand-light:  #f97316;
  --brand-dark:   #c2410c;
  --brand-dim:    #ffedd5;
  --brand-mid:    #fed7aa;
  --accent:       #eab308;
  --accent-light: #fef9c3;
}

/* ── LIGHT MODE ── */
[data-mode="light"], :root {
  --bg:         #f8fafc;
  --bg2:        #f1f5f9;
  --surface:    #ffffff;
  --surface2:   #f8fafc;
  --surface3:   #f1f5f9;
  --border:     #e2e8f0;
  --border2:    #cbd5e1;
  --text:       #0f172a;
  --text2:      #475569;
  --text3:      #94a3b8;
  --text-inv:   #ffffff;
  --sidebar-bg: #0f172a;
  --sidebar-text: rgba(255,255,255,.75);
  --sidebar-active: rgba(255,255,255,.12);
  --sidebar-hover:  rgba(255,255,255,.06);
  --danger:       #dc2626;
  --danger-bg:    #fef2f2;
  --danger-border:#fecaca;
  --warning:      #d97706;
  --warning-bg:   #fffbeb;
  --warning-border:#fde68a;
  --success:      #16a34a;
  --success-bg:   #f0fdf4;
  --success-border:#bbf7d0;
  --info:         #0284c7;
  --info-bg:      #f0f9ff;
  --info-border:  #bae6fd;
  --protein-color:#6366f1;
  --carbs-color:  #f59e0b;
  --fat-color:    #ec4899;
}

/* ── DARK MODE ── */
[data-mode="dark"] {
  --bg:         #0b0f1a;
  --bg2:        #111827;
  --surface:    #1e2433;
  --surface2:   #252d3d;
  --surface3:   #2d3748;
  --border:     #2d3748;
  --border2:    #374151;
  --text:       #f1f5f9;
  --text2:      #94a3b8;
  --text3:      #64748b;
  --text-inv:   #0f172a;
  --sidebar-bg: #0b0f1a;
  --sidebar-text: rgba(255,255,255,.7);
  --sidebar-active: rgba(255,255,255,.1);
  --sidebar-hover:  rgba(255,255,255,.05);
  --danger:       #f87171;
  --danger-bg:    #1c0a0a;
  --danger-border:#7f1d1d;
  --warning:      #fbbf24;
  --warning-bg:   #1c1400;
  --warning-border:#78350f;
  --success:      #4ade80;
  --success-bg:   #052e16;
  --success-border:#166534;
  --info:         #38bdf8;
  --info-bg:      #082f49;
  --info-border:  #0c4a6e;
  --protein-color:#818cf8;
  --carbs-color:  #fbbf24;
  --fat-color:    #f472b6;
}

/* ── RESET ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  font-size: 15px;
  line-height: 1.6;
  min-height: 100vh;
  transition: background .3s, color .3s;
}

/* ── LAYOUT ── */
.app-shell { display: flex; min-height: 100vh; }

/* ── SIDEBAR ── */
.sidebar {
  width: var(--nav-w);
  background: var(--sidebar-bg);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0; left: 0; bottom: 0;
  z-index: 200;
  transition: transform .3s cubic-bezier(.4,0,.2,1), width .3s;
  overflow: hidden;
  border-right: 1px solid rgba(255,255,255,.05);
}
.sidebar-logo {
  padding: 20px 20px 16px;
  border-bottom: 1px solid rgba(255,255,255,.07);
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.sidebar-logo-icon {
  width: 36px; height: 36px;
  background: linear-gradient(135deg, var(--brand), var(--brand-light));
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 18px; flex-shrink: 0;
  box-shadow: 0 4px 12px rgba(0,0,0,.3);
}
.sidebar-logo-text h1 {
  font-family: var(--font-head);
  font-size: 16px;
  font-weight: 800;
  color: #fff;
  line-height: 1.1;
  letter-spacing: -.3px;
}
.sidebar-logo-text span { font-size: 10px; color: rgba(255,255,255,.4); letter-spacing: .5px; text-transform: uppercase; }

.user-pill {
  margin: 12px 12px 4px;
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.08);
  border-radius: var(--radius);
  padding: 10px 12px;
  display: flex; align-items: center; gap: 10px;
  flex-shrink: 0;
}
.user-avatar {
  width: 34px; height: 34px; border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 13px; flex-shrink: 0;
  background: linear-gradient(135deg, var(--brand), var(--brand-light));
  color: #fff;
}
.user-pill .u-name  { font-size: 13px; font-weight: 600; color: #fff; line-height: 1.2; }
.user-pill .u-role  { font-size: 10px; color: rgba(255,255,255,.45); margin-top: 1px; }

.nav-scroll { flex: 1; overflow-y: auto; padding: 8px 0 0; }
.nav-scroll::-webkit-scrollbar { width: 4px; }
.nav-scroll::-webkit-scrollbar-thumb { background: rgba(255,255,255,.1); border-radius: 4px; }

.nav-section {
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.2px;
  color: rgba(255,255,255,.28);
  padding: 14px 20px 5px;
}
nav a {
  display: flex; align-items: center; gap: 10px;
  padding: 9px 12px 9px 20px;
  color: var(--sidebar-text);
  text-decoration: none;
  font-size: 13.5px;
  font-weight: 500;
  border-left: 2px solid transparent;
  margin: 1px 8px 1px 0;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  transition: var(--transition);
  white-space: nowrap;
}
nav a:hover  { background: var(--sidebar-hover); color: #fff; }
nav a.active {
  background: var(--sidebar-active);
  color: #fff;
  border-left-color: var(--brand-light);
  font-weight: 600;
}
nav a.active .nav-icon { color: var(--brand-light); }
.nav-icon { font-size: 16px; opacity: .85; flex-shrink: 0; width: 20px; text-align: center; }
.nav-badge {
  margin-left: auto;
  background: var(--brand);
  color: #fff;
  font-size: 10px;
  font-weight: 700;
  padding: 1px 6px;
  border-radius: 99px;
}

.sidebar-footer {
  padding: 12px;
  border-top: 1px solid rgba(255,255,255,.07);
  display: flex;
  flex-direction: column;
  gap: 4px;
  flex-shrink: 0;
}
.sidebar-footer-btn {
  display: flex; align-items: center; gap: 8px;
  color: rgba(255,255,255,.5);
  font-size: 12.5px;
  cursor: pointer;
  background: none; border: none;
  padding: 7px 10px;
  border-radius: var(--radius-sm);
  transition: var(--transition);
  font-family: inherit;
  width: 100%; text-align: left;
}
.sidebar-footer-btn:hover { background: rgba(255,255,255,.06); color: #fff; }

/* ── MAIN CONTENT ── */
.main-content {
  margin-left: var(--nav-w);
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* ── TOPBAR ── */
.topbar {
  height: var(--topbar-h);
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 28px;
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(12px);
}
.topbar-left { display: flex; align-items: center; gap: 14px; }
.topbar-title { font-family: var(--font-head); font-size: 18px; font-weight: 700; color: var(--text); }
.topbar-sub   { font-size: 12px; color: var(--text3); }
.topbar-right { display: flex; align-items: center; gap: 10px; }

.page-content { padding: 24px 28px; flex: 1; }

/* ── THEME & DARK MODE CONTROLS ── */
.theme-switcher {
  display: flex; align-items: center; gap: 6px;
}
.theme-dot {
  width: 20px; height: 20px; border-radius: 50%;
  cursor: pointer; border: 2px solid transparent;
  transition: var(--transition);
}
.theme-dot:hover { transform: scale(1.15); }
.theme-dot.active { border-color: var(--text); transform: scale(1.15); }
.theme-dot[data-t="green"]  { background: #16a34a; }
.theme-dot[data-t="blue"]   { background: #2563eb; }
.theme-dot[data-t="purple"] { background: #7c3aed; }
.theme-dot[data-t="orange"] { background: #ea580c; }

.dark-toggle {
  width: 44px; height: 24px;
  background: var(--border2);
  border-radius: 99px;
  border: none;
  cursor: pointer;
  position: relative;
  transition: var(--transition);
  flex-shrink: 0;
}
.dark-toggle.on { background: var(--brand); }
.dark-toggle::after {
  content: '';
  position: absolute;
  top: 2px; left: 2px;
  width: 20px; height: 20px;
  background: #fff;
  border-radius: 50%;
  transition: var(--transition);
  box-shadow: 0 1px 4px rgba(0,0,0,.2);
}
.dark-toggle.on::after { left: 22px; }

/* ── CARDS ── */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 22px 24px;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}
.card:hover { box-shadow: var(--shadow); }
.card-title {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text3);
  margin-bottom: 16px;
  display: flex; align-items: center; gap: 8px;
}
.card-header {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 18px;
}
.card-header h3 { font-size: 15px; font-weight: 700; color: var(--text); }

/* ── STAT CARDS ── */
.stat-grid { display: grid; grid-template-columns: repeat(auto-fit,minmax(150px,1fr)); gap: 14px; margin-bottom: 22px; }
.stat-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 20px;
  box-shadow: var(--shadow-sm);
  position: relative;
  overflow: hidden;
  transition: var(--transition);
}
.stat-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--brand);
  opacity: 0;
  transition: var(--transition);
}
.stat-card:hover { box-shadow: var(--shadow); transform: translateY(-1px); }
.stat-card:hover::before { opacity: 1; }
.stat-card .s-icon { font-size: 22px; margin-bottom: 10px; display: block; }
.stat-card .s-label { font-size: 11px; font-weight: 600; color: var(--text3); text-transform: uppercase; letter-spacing: .6px; }
.stat-card .s-val   { font-size: 26px; font-weight: 800; color: var(--text); margin: 6px 0 2px; line-height: 1; font-family: var(--font-head); }
.stat-card .s-sub   { font-size: 12px; color: var(--text3); }
.stat-card .s-trend { position: absolute; top: 16px; right: 16px; font-size: 11px; font-weight: 700; padding: 2px 7px; border-radius: 99px; }
.stat-card.danger   { border-color: var(--danger-border); background: var(--danger-bg); }
.stat-card.danger .s-val { color: var(--danger); }
.stat-card.danger::before { background: var(--danger); opacity: 1; }
.stat-card.success  { border-color: var(--success-border); background: var(--success-bg); }
.stat-card.success .s-val { color: var(--success); }
.stat-card.warning  { border-color: var(--warning-border); background: var(--warning-bg); }
.stat-card.warning .s-val { color: var(--warning); }

/* ── PROGRESS BARS ── */
.prog-row { margin-bottom: 16px; }
.prog-label { display: flex; justify-content: space-between; font-size: 13px; margin-bottom: 7px; align-items: center; }
.prog-label .name { font-weight: 600; color: var(--text); display: flex; align-items: center; gap: 6px; }
.prog-label .nums { color: var(--text3); font-size: 12px; }
.prog-label .pct  { font-size: 11px; font-weight: 700; padding: 1px 6px; border-radius: 99px; }
.pct-ok   { background: var(--success-bg); color: var(--success); }
.pct-warn { background: var(--warning-bg); color: var(--warning); }
.pct-over { background: var(--danger-bg);  color: var(--danger);  }
.prog-track { height: 8px; background: var(--border); border-radius: 99px; overflow: hidden; }
.prog-fill  { height: 100%; border-radius: 99px; transition: width .6s cubic-bezier(.4,0,.2,1); background: var(--brand); }
.prog-fill.over    { background: var(--danger); }
.prog-fill.near    { background: var(--warning); }
.prog-fill.protein { background: var(--protein-color); }
.prog-fill.carbs   { background: var(--carbs-color); }
.prog-fill.fat     { background: var(--fat-color); }

/* ── FORMS ── */
.form-group { margin-bottom: 16px; }
.form-label { display: block; font-size: 12px; font-weight: 600; color: var(--text2); margin-bottom: 6px; letter-spacing: .2px; }
.form-control {
  width: 100%;
  padding: 9px 13px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-family: var(--font-body);
  color: var(--text);
  background: var(--surface);
  transition: var(--transition);
  outline: none;
  -webkit-appearance: none;
}
.form-control:focus { border-color: var(--brand); box-shadow: 0 0 0 3px color-mix(in srgb, var(--brand) 15%, transparent); }
.form-control::placeholder { color: var(--text3); }
select.form-control { cursor: pointer; }
textarea.form-control { resize: vertical; min-height: 80px; }
.form-row   { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.form-row-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 14px; }
.form-hint  { font-size: 11px; color: var(--text3); margin-top: 4px; }
.input-group { display: flex; gap: 0; }
.input-group .form-control { border-radius: var(--radius-sm) 0 0 var(--radius-sm); }
.input-group .btn { border-radius: 0 var(--radius-sm) var(--radius-sm) 0; }

/* ── BUTTONS ── */
.btn {
  display: inline-flex; align-items: center; gap: 7px;
  padding: 9px 18px;
  border-radius: var(--radius-sm);
  font-size: 13.5px;
  font-weight: 600;
  font-family: var(--font-body);
  cursor: pointer;
  border: 1.5px solid transparent;
  transition: var(--transition);
  white-space: nowrap;
  text-decoration: none;
  line-height: 1.4;
}
.btn:active { transform: scale(.98); }
.btn-primary   { background: var(--brand); color: #fff; border-color: var(--brand); box-shadow: 0 2px 8px color-mix(in srgb, var(--brand) 30%, transparent); }
.btn-primary:hover { background: var(--brand-dark); border-color: var(--brand-dark); box-shadow: 0 4px 16px color-mix(in srgb, var(--brand) 40%, transparent); }
.btn-secondary { background: var(--surface); color: var(--text2); border-color: var(--border); }
.btn-secondary:hover { background: var(--surface2); border-color: var(--border2); color: var(--text); }
.btn-danger    { background: var(--danger); color: #fff; border-color: var(--danger); }
.btn-danger:hover { opacity: .88; }
.btn-ghost     { background: transparent; color: var(--text2); border-color: transparent; }
.btn-ghost:hover { background: var(--surface2); color: var(--text); }
.btn-brand-outline { background: transparent; color: var(--brand); border-color: var(--brand); }
.btn-brand-outline:hover { background: var(--brand); color: #fff; }
.btn-sm  { padding: 6px 13px; font-size: 12.5px; }
.btn-xs  { padding: 4px 10px; font-size: 11.5px; }
.btn-lg  { padding: 12px 24px; font-size: 15px; }
.btn-xl  { padding: 14px 28px; font-size: 16px; border-radius: var(--radius); }
.btn-icon {
  padding: 7px; border-radius: var(--radius-sm);
  background: none; border: 1px solid var(--border);
  cursor: pointer; color: var(--text2);
  transition: var(--transition);
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 14px;
}
.btn-icon:hover { background: var(--surface2); color: var(--text); }
.btn-icon.danger:hover { background: var(--danger-bg); color: var(--danger); border-color: var(--danger-border); }
.w-full { width: 100%; justify-content: center; }

/* ── TABLES ── */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 13.5px; }
thead th {
  text-align: left;
  padding: 10px 14px;
  background: var(--surface2);
  color: var(--text3);
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .8px;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}
tbody td { padding: 12px 14px; border-bottom: 1px solid var(--border); color: var(--text); vertical-align: middle; }
tbody tr:last-child td { border-bottom: none; }
tbody tr:hover { background: var(--surface2); }
.table-actions { display: flex; gap: 6px; align-items: center; }

/* ── BADGES ── */
.badge {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 3px 9px;
  border-radius: 99px;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .4px;
}
.badge-green  { background: var(--success-bg);  color: var(--success);  border: 1px solid var(--success-border); }
.badge-red    { background: var(--danger-bg);   color: var(--danger);   border: 1px solid var(--danger-border); }
.badge-amber  { background: var(--warning-bg);  color: var(--warning);  border: 1px solid var(--warning-border); }
.badge-blue   { background: var(--info-bg);     color: var(--info);     border: 1px solid var(--info-border); }
.badge-brand  { background: var(--brand-dim);   color: var(--brand-dark); border: 1px solid var(--brand-mid); }
.badge-gray   { background: var(--surface2);    color: var(--text3);    border: 1px solid var(--border); }

/* Role badges */
.role-superadmin { background: linear-gradient(135deg,#7c3aed,#4f46e5); color:#fff; border:none; }
.role-admin      { background: linear-gradient(135deg,#dc2626,#b91c1c); color:#fff; border:none; }
.role-foodadmin  { background: linear-gradient(135deg,#16a34a,#15803d); color:#fff; border:none; }
.role-exadmin    { background: linear-gradient(135deg,#0284c7,#0369a1); color:#fff; border:none; }
.role-useradmin  { background: linear-gradient(135deg,#d97706,#b45309); color:#fff; border:none; }
.role-user       { background: var(--surface3); color: var(--text2); border: 1px solid var(--border); }

/* Status badges */
.status-active    { background: var(--success-bg); color: var(--success); border: 1px solid var(--success-border); }
.status-suspended { background: var(--warning-bg); color: var(--warning); border: 1px solid var(--warning-border); }
.status-invited   { background: var(--info-bg);    color: var(--info);    border: 1px solid var(--info-border); }
.status-terminated{ background: var(--danger-bg);  color: var(--danger);  border: 1px solid var(--danger-border); }

/* ── TABS ── */
.tabs { display: flex; gap: 2px; background: var(--surface2); border: 1px solid var(--border); border-radius: var(--radius); padding: 4px; margin-bottom: 20px; }
.tab-btn {
  flex: 1; padding: 8px 14px; border-radius: var(--radius-sm); border: none;
  font-size: 13px; font-weight: 600; cursor: pointer;
  background: none; color: var(--text3); transition: var(--transition);
  font-family: var(--font-body);
}
.tab-btn.active { background: var(--surface); color: var(--brand); box-shadow: var(--shadow-sm); }

/* Meal type pills */
.meal-tabs { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 16px; }
.meal-tab {
  padding: 5px 14px; border-radius: 99px; font-size: 12.5px; font-weight: 600;
  border: 1.5px solid var(--border); background: var(--surface);
  cursor: pointer; transition: var(--transition); font-family: var(--font-body); color: var(--text2);
}
.meal-tab:hover  { border-color: var(--brand); color: var(--brand); }
.meal-tab.active { background: var(--brand); color: #fff; border-color: var(--brand); }

/* ── MODAL ── */
.modal-overlay {
  position: fixed; inset: 0;
  background: rgba(0,0,0,.5);
  backdrop-filter: blur(4px);
  z-index: 500;
  display: flex; align-items: center; justify-content: center;
  padding: 20px;
  animation: fadeIn .2s ease;
}
.modal-overlay.hidden { display: none; }
.modal {
  background: var(--surface);
  border-radius: var(--radius-xl);
  padding: 28px;
  max-width: 540px;
  width: 100%;
  box-shadow: var(--shadow-xl);
  max-height: 90vh;
  overflow-y: auto;
  animation: slideUp .25s cubic-bezier(.4,0,.2,1);
  border: 1px solid var(--border);
}
.modal-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 22px; }
.modal-header h3 { font-size: 18px; font-weight: 700; font-family: var(--font-head); }
.modal-close { background: none; border: none; font-size: 20px; cursor: pointer; color: var(--text3); padding: 4px; border-radius: 6px; transition: var(--transition); line-height: 1; }
.modal-close:hover { background: var(--surface2); color: var(--danger); }

/* ── ALERTS ── */
.alert { padding: 12px 16px; border-radius: var(--radius-sm); font-size: 13.5px; margin-bottom: 16px; display: flex; align-items: flex-start; gap: 10px; border: 1px solid; }
.alert-success { background: var(--success-bg); color: var(--success); border-color: var(--success-border); }
.alert-danger  { background: var(--danger-bg);  color: var(--danger);  border-color: var(--danger-border); }
.alert-warning { background: var(--warning-bg); color: var(--warning); border-color: var(--warning-border); }
.alert-info    { background: var(--info-bg);    color: var(--info);    border-color: var(--info-border); }

/* Toast */
.toast {
  position: fixed; bottom: 24px; right: 24px; z-index: 999;
  background: var(--text); color: var(--bg);
  border-radius: var(--radius);
  padding: 13px 20px;
  font-weight: 600; font-size: 14px;
  box-shadow: var(--shadow-lg);
  transform: translateY(80px); opacity: 0;
  transition: all .3s cubic-bezier(.4,0,.2,1);
  max-width: 360px;
  display: flex; align-items: center; gap: 10px;
}
.toast.show { transform: translateY(0); opacity: 1; }
.toast.success { background: var(--success); color: #fff; }
.toast.error   { background: var(--danger);  color: #fff; }

/* ── LOGIN PAGE ── */
.login-page {
  min-height: 100vh;
  background: var(--sidebar-bg);
  display: flex;
  position: relative;
  overflow: hidden;
}
.login-bg-art {
  position: absolute; inset: 0; overflow: hidden; pointer-events: none;
}
.login-bg-art::before {
  content: '';
  position: absolute;
  width: 600px; height: 600px;
  background: radial-gradient(circle, color-mix(in srgb, var(--brand) 25%, transparent), transparent 70%);
  top: -200px; right: -100px;
  border-radius: 50%;
}
.login-bg-art::after {
  content: '';
  position: absolute;
  width: 400px; height: 400px;
  background: radial-gradient(circle, color-mix(in srgb, var(--brand-light) 15%, transparent), transparent 70%);
  bottom: -100px; left: -100px;
  border-radius: 50%;
}
.login-left {
  flex: 1;
  display: flex; flex-direction: column; justify-content: center; align-items: flex-start;
  padding: 60px;
  position: relative; z-index: 1;
}
.login-left h1 {
  font-family: var(--font-head);
  font-size: 42px;
  font-weight: 800;
  color: #fff;
  line-height: 1.1;
  margin-bottom: 16px;
}
.login-left h1 span { color: var(--brand-light); }
.login-left p { color: rgba(255,255,255,.55); font-size: 16px; line-height: 1.7; max-width: 400px; }
.login-features { margin-top: 40px; display: flex; flex-direction: column; gap: 14px; }
.login-feature { display: flex; align-items: center; gap: 12px; color: rgba(255,255,255,.7); font-size: 14px; }
.login-feature-icon { width: 36px; height: 36px; border-radius: 10px; background: rgba(255,255,255,.08); display: flex; align-items: center; justify-content: center; font-size: 18px; flex-shrink: 0; }

.login-right {
  width: 460px;
  display: flex; align-items: center; justify-content: center;
  padding: 40px;
  position: relative; z-index: 1;
}
.login-card {
  background: var(--surface);
  border-radius: var(--radius-xl);
  padding: 40px;
  width: 100%;
  box-shadow: var(--shadow-xl);
  border: 1px solid var(--border);
}
.login-card-header { margin-bottom: 28px; }
.login-card-header h2 { font-family: var(--font-head); font-size: 22px; font-weight: 700; color: var(--text); margin-bottom: 4px; }
.login-card-header p  { font-size: 13px; color: var(--text3); }

.user-select-grid { display: flex; flex-direction: column; gap: 8px; margin-bottom: 20px; }
.user-select-btn {
  display: flex; align-items: center; gap: 12px;
  background: var(--surface2);
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  padding: 12px 14px;
  cursor: pointer;
  transition: var(--transition);
  text-align: left;
  width: 100%;
}
.user-select-btn:hover   { border-color: var(--brand); background: var(--brand-dim); }
.user-select-btn.selected{ border-color: var(--brand); background: var(--brand-dim); }
.user-select-btn .u-av   { width: 40px; height: 40px; border-radius: 10px; display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: 14px; color: #fff; flex-shrink: 0; }
.user-select-btn .u-name { font-size: 14px; font-weight: 600; color: var(--text); }
.user-select-btn .u-role { font-size: 11px; color: var(--text3); margin-top: 1px; }
.pw-wrap { position: relative; }
.pw-wrap .form-control { padding-right: 40px; }
.pw-eye { position: absolute; right: 10px; top: 50%; transform: translateY(-50%); background: none; border: none; cursor: pointer; color: var(--text3); font-size: 16px; padding: 4px; transition: var(--transition); }
.pw-eye:hover { color: var(--text); }
.login-divider { text-align: center; color: var(--text3); font-size: 12px; margin: 14px 0; position: relative; }
.login-divider::before,.login-divider::after { content:''; position:absolute; top:50%; width:42%; height:1px; background:var(--border); }
.login-divider::before { left:0; } .login-divider::after { right:0; }

/* ── SECTION HEADER ── */
.section-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 16px; }
.section-header h3 { font-size: 15px; font-weight: 700; color: var(--text); }
.section-actions { display: flex; gap: 8px; align-items: center; }

/* ── CHART GRIDS ── */
.chart-grid   { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-bottom: 22px; }
.chart-grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 20px; margin-bottom: 22px; }

/* ── FOOD PREVIEW ── */
.food-preview { background: var(--surface2); border: 1px solid var(--border); border-radius: var(--radius); padding: 14px 16px; margin-top: 10px; display: none; }
.food-preview.show { display: block; }
.macro-chips { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 10px; }
.macro-chip  { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 6px 12px; font-size: 13px; font-weight: 600; display: flex; align-items: center; gap: 5px; }

/* ── EXERCISE CARDS ── */
.ex-grid { display: grid; grid-template-columns: repeat(auto-fill,minmax(275px,1fr)); gap: 13px; }
.ex-card {
  background: var(--surface);
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  padding: 14px;
  cursor: pointer;
  transition: var(--transition);
  display: flex; gap: 12px; align-items: flex-start;
}
.ex-card:hover    { border-color: var(--brand); box-shadow: var(--shadow); transform: translateY(-1px); }
.ex-card.selected { border-color: var(--brand); background: var(--brand-dim); }
.ex-emoji { font-size: 30px; flex-shrink: 0; width: 44px; text-align: center; line-height: 1.2; }
.ex-body h4 { font-size: 13px; font-weight: 700; margin-bottom: 3px; color: var(--text); }
.ex-body p  { font-size: 11.5px; color: var(--text2); line-height: 1.45; }
.ex-tag { font-size: 10px; padding: 2px 7px; border-radius: 99px; background: var(--surface2); color: var(--text3); font-weight: 600; border: 1px solid var(--border); display: inline-block; margin: 2px 2px 0 0; }

/* ── USER ADMIN CARDS ── */
.user-admin-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px;
  display: flex; gap: 16px; align-items: flex-start;
  transition: var(--transition);
  margin-bottom: 12px;
}
.user-admin-card:hover { box-shadow: var(--shadow); border-color: var(--border2); }
.u-big-av {
  width: 52px; height: 52px; border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
  font-weight: 800; font-size: 18px; flex-shrink: 0; color: #fff;
}
.u-info-main { flex: 1; min-width: 0; }
.u-fullname   { font-size: 16px; font-weight: 700; color: var(--text); margin-bottom: 4px; display: flex; align-items: center; gap: 8px; }
.u-meta-line  { font-size: 12px; color: var(--text3); margin-bottom: 8px; display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.u-targets-row { display: flex; gap: 8px; flex-wrap: wrap; }
.u-target-tag { font-size: 11px; padding: 3px 9px; border-radius: 99px; font-weight: 600; }

/* ── SUPPLEMENTS ── */
.supp-grid { display: flex; gap: 8px; flex-wrap: wrap; }
.supp-chip {
  padding: 6px 14px; border-radius: 99px; font-size: 12.5px;
  border: 1.5px solid var(--border); background: var(--surface);
  cursor: pointer; font-family: var(--font-body); font-weight: 500;
  color: var(--text2); transition: var(--transition);
  display: flex; align-items: center; gap: 5px;
}
.supp-chip:hover { border-color: var(--brand); }
.supp-chip.on { background: var(--success-bg); color: var(--success); border-color: var(--success-border); }

/* ── IMPORT/EXPORT ZONE ── */
.drop-zone {
  border: 2px dashed var(--border);
  border-radius: var(--radius);
  padding: 24px;
  text-align: center;
  color: var(--text3);
  cursor: pointer;
  transition: var(--transition);
  font-size: 13px;
}
.drop-zone:hover { border-color: var(--brand); color: var(--brand); background: var(--brand-dim); }

/* ── CSV CODE BOX ── */
.code-box {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  font-family: 'Courier New', monospace;
  font-size: 12px;
  line-height: 1.7;
  overflow-x: auto;
  white-space: pre;
  color: var(--text2);
  max-height: 280px;
  overflow-y: auto;
}
[data-mode="dark"] .code-box { background: #0b0f1a; color: #94a3b8; }

/* ── DIVIDER ── */
.divider { height: 1px; background: var(--border); margin: 18px 0; }

/* ── MISC UTILITIES ── */
.hidden   { display: none !important; }
.flex     { display: flex; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-6  { gap: 6px; }
.gap-8  { gap: 8px; }
.gap-12 { gap: 12px; }
.gap-16 { gap: 16px; }
.mt-4  { margin-top: 4px; }
.mt-8  { margin-top: 8px; }
.mt-12 { margin-top: 12px; }
.mt-16 { margin-top: 16px; }
.mt-20 { margin-top: 20px; }
.mb-8  { margin-bottom: 8px; }
.mb-16 { margin-bottom: 16px; }
.mb-20 { margin-bottom: 20px; }
.text-sm    { font-size: 13px; }
.text-xs    { font-size: 11px; }
.text-muted { color: var(--text3); }
.text-danger{ color: var(--danger); }
.text-success{color: var(--success);}
.text-brand { color: var(--brand); }
.fw-600 { font-weight: 600; }
.fw-700 { font-weight: 700; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 20px; }
.truncate { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* ── ANIMATIONS ── */
@keyframes fadeIn  { from { opacity:0; } to { opacity:1; } }
@keyframes slideUp { from { opacity:0; transform:translateY(16px); } to { opacity:1; transform:translateY(0); } }
@keyframes pulse   { 0%,100%{opacity:1;} 50%{opacity:.5;} }
.skeleton { background: var(--border); border-radius: 4px; animation: pulse 1.5s infinite; }

/* ── RESPONSIVE ── */
@media (max-width: 1024px) {
  .login-left { display: none; }
  .login-right { width: 100%; }
  .chart-grid, .chart-grid-3, .grid-2, .grid-3 { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
  .sidebar { transform: translateX(-100%); }
  .sidebar.open { transform: translateX(0); }
  .main-content { margin-left: 0; }
  .page-content { padding: 16px; }
  .topbar { padding: 0 16px; }
  .stat-grid { grid-template-columns: 1fr 1fr; }
  .form-row, .form-row-3 { grid-template-columns: 1fr; }
}