/* ═══════════════════════════════════════════════════════════════════════════
   GYMVOS — Panel CSS v2.0  (Dark Premium + Mobile Responsive)
   ═══════════════════════════════════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');

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

:root {
  /* Colors */
  --red:        #DC2626;
  --red-dark:   #B91C1C;
  --red-glow:   rgba(220, 38, 38, 0.18);
  --red-border: rgba(220, 38, 38, 0.35);
  --orange:     #F97316;
  --green:      #22C55E;
  --blue:       #3B82F6;
  --yellow:     #F59E0B;
  --purple:     #8B5CF6;

  /* Backgrounds */
  --bg-base:    #020617;
  --bg-main:    #0F172A;
  --bg-card:    #111827;
  --bg-soft:    #1E293B;
  --bg-hover:   #1F2937;
  --bg-input:   #0F172A;

  /* Borders */
  --border:     #1E2D44;
  --border-soft:#263247;

  /* Text */
  --text:       #F9FAFB;
  --text-muted: #94A3B8;
  --text-dim:   #64748B;

  /* Sidebar */
  --sidebar-w:  268px;

  /* Transitions */
  --ease: cubic-bezier(.4,0,.2,1);
}

html { font-size: 15px; }

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

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

/* ── Sidebar ─────────────────────────────────────────────────────────────── */
.sidebar {
  width: var(--sidebar-w);
  background: var(--bg-base);
  border-right: 1px solid var(--border);
  position: fixed;
  inset: 0 auto 0 0;
  display: flex;
  flex-direction: column;
  z-index: 200;
  transition: transform .3s var(--ease);
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: var(--bg-soft) transparent;
}

.sidebar-inner {
  display: flex;
  flex-direction: column;
  height: 100%;
  padding: 0 0 20px;
}

/* Brand */
.sidebar-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 22px 20px 18px;
  border-bottom: 1px solid var(--border);
  text-decoration: none;
}

.sidebar-brand-icon {
  width: 42px; height: 42px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--red), #FF6B35);
  display: flex; align-items: center; justify-content: center;
  font-weight: 900; font-size: 20px; color: #fff;
  box-shadow: 0 4px 14px rgba(220,38,38,.4);
  flex-shrink: 0;
}

.sidebar-brand-text h2 {
  font-size: 15px; font-weight: 800; color: var(--text);
  letter-spacing: -.3px; line-height: 1.2;
}
.sidebar-brand-text span {
  font-size: 11px; color: var(--text-muted); font-weight: 500;
}

/* Gym info strip */
.sidebar-gym {
  padding: 14px 20px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-soft);
}
.sidebar-gym-name {
  font-size: 13px; font-weight: 700; color: var(--text);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.sidebar-gym-plan {
  font-size: 11px; color: var(--red); font-weight: 600; margin-top: 2px;
}

/* Nav sections */
.sidebar-nav {
  flex: 1;
  padding: 14px 12px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.nav-section-label {
  font-size: 10px; font-weight: 700; color: var(--text-dim);
  text-transform: uppercase; letter-spacing: 1px;
  padding: 10px 8px 4px;
}

.nav-link {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 12px;
  border-radius: 10px;
  text-decoration: none;
  color: var(--text-muted);
  font-weight: 500; font-size: 14px;
  transition: all .18s var(--ease);
  position: relative;
}

.nav-link:hover {
  background: var(--bg-hover);
  color: var(--text);
}

.nav-link.active {
  background: var(--red-glow);
  color: #fff;
  font-weight: 600;
}
.nav-link.active::before {
  content: '';
  position: absolute; left: 0; top: 50%;
  transform: translateY(-50%);
  width: 3px; height: 60%; border-radius: 0 3px 3px 0;
  background: var(--red);
}

.nav-link svg { width: 18px; height: 18px; flex-shrink: 0; }

.nav-badge {
  margin-left: auto;
  background: var(--red);
  color: #fff; font-size: 10px; font-weight: 700;
  padding: 2px 7px; border-radius: 999px;
}

/* Sidebar footer */
.sidebar-footer {
  padding: 14px 12px 0;
  border-top: 1px solid var(--border);
  margin-top: auto;
}

.sidebar-user {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 12px; border-radius: 10px;
  text-decoration: none; color: var(--text-muted);
  font-size: 13px; font-weight: 500;
  transition: all .18s var(--ease);
}
.sidebar-user:hover { background: var(--bg-hover); color: var(--text); }

.sidebar-avatar {
  width: 32px; height: 32px; border-radius: 50%;
  background: var(--bg-soft); border: 2px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  font-size: 13px; font-weight: 700; color: var(--text); flex-shrink: 0;
}

.sidebar-logout {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 12px; border-radius: 10px;
  text-decoration: none; color: #FCA5A5; font-size: 14px; font-weight: 500;
  background: rgba(220,38,38,.06);
  margin-top: 4px;
  transition: all .18s var(--ease);
}
.sidebar-logout:hover { background: var(--red); color: #fff; }
.sidebar-logout svg { width: 16px; height: 16px; }

/* ── Mobile sidebar overlay ─────────────────────────────────────────────── */
.sidebar-overlay {
  display: none;
  position: fixed; inset: 0;
  background: rgba(0,0,0,.65);
  z-index: 199;
  backdrop-filter: blur(2px);
}

/* ── Main content ─────────────────────────────────────────────────────────── */
.main-content {
  margin-left: var(--sidebar-w);
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
}

/* ── Topbar ──────────────────────────────────────────────────────────────── */
.topbar {
  position: sticky; top: 0; z-index: 100;
  background: rgba(15,23,42,.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  padding: 0 28px;
  height: 64px;
  display: flex; align-items: center; gap: 16px;
}

.topbar-hamburger {
  display: none;
  width: 38px; height: 38px; border-radius: 10px;
  background: var(--bg-soft); border: 1px solid var(--border);
  color: var(--text); cursor: pointer; align-items: center; justify-content: center;
  transition: all .18s;
}
.topbar-hamburger:hover { background: var(--bg-hover); }
.topbar-hamburger svg { width: 20px; height: 20px; }

.topbar-title { flex: 1; }
.topbar-title h1 { font-size: 18px; font-weight: 700; color: var(--text); }
.topbar-title p  { font-size: 12px; color: var(--text-muted); }

.topbar-actions { display: flex; align-items: center; gap: 10px; }

.topbar-btn {
  display: flex; align-items: center; gap: 7px;
  padding: 8px 16px; border-radius: 10px;
  font-size: 13px; font-weight: 600;
  border: none; cursor: pointer; text-decoration: none;
  transition: all .18s var(--ease);
}
.topbar-btn-primary {
  background: var(--red); color: #fff;
}
.topbar-btn-primary:hover { background: var(--red-dark); transform: translateY(-1px); }
.topbar-btn-ghost {
  background: var(--bg-soft); color: var(--text);
  border: 1px solid var(--border);
}
.topbar-btn-ghost:hover { background: var(--bg-hover); }
.topbar-btn svg { width: 15px; height: 15px; }

/* ── Trial Banner ─────────────────────────────────────────────────────────── */
.trial-banner {
  margin: 20px 28px 0;
  padding: 14px 20px;
  border-radius: 14px;
  display: flex; align-items: center; gap: 14px;
  border: 1px solid;
  animation: slideDown .35s var(--ease);
}
.trial-banner.warning {
  background: rgba(245,158,11,.08);
  border-color: rgba(245,158,11,.3);
  color: #FCD34D;
}
.trial-banner.danger {
  background: rgba(220,38,38,.08);
  border-color: var(--red-border);
  color: #FCA5A5;
}
.trial-banner-icon { font-size: 22px; flex-shrink: 0; }
.trial-banner-text strong { display: block; font-size: 14px; font-weight: 700; }
.trial-banner-text span   { font-size: 12px; opacity: .8; }
.trial-banner-cta {
  margin-left: auto; white-space: nowrap;
  padding: 8px 18px; border-radius: 8px;
  background: var(--red); color: #fff;
  font-size: 13px; font-weight: 700;
  text-decoration: none; border: none; cursor: pointer;
  transition: all .18s;
}
.trial-banner-cta:hover { background: var(--red-dark); }

/* ── Page content wrapper ────────────────────────────────────────────────── */
.page-content {
  padding: 24px 28px 40px;
  flex: 1;
}

/* ── Stats grid ──────────────────────────────────────────────────────────── */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 22px;
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 20px;
  transition: transform .2s var(--ease), box-shadow .2s;
  cursor: default;
}
.stat-card:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(0,0,0,.3); }

.stat-card-header {
  display: flex; align-items: flex-start; justify-content: space-between;
  margin-bottom: 14px;
}
.stat-card-icon {
  width: 42px; height: 42px; border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
}
.stat-card-icon svg { width: 20px; height: 20px; }

.stat-card-icon.red    { background: rgba(220,38,38,.15); color: #F87171; }
.stat-card-icon.green  { background: rgba(34,197,94,.15);  color: #4ADE80; }
.stat-card-icon.blue   { background: rgba(59,130,246,.15); color: #60A5FA; }
.stat-card-icon.yellow { background: rgba(245,158,11,.15); color: #FCD34D; }
.stat-card-icon.purple { background: rgba(139,92,246,.15); color: #A78BFA; }
.stat-card-icon.orange { background: rgba(249,115,22,.15); color: #FB923C; }

.stat-card-trend {
  font-size: 11px; font-weight: 700; padding: 3px 8px; border-radius: 999px;
}
.stat-card-trend.up   { background: rgba(34,197,94,.15);  color: #4ADE80; }
.stat-card-trend.down { background: rgba(220,38,38,.15); color: #F87171; }
.stat-card-trend.neu  { background: var(--bg-soft); color: var(--text-muted); }

.stat-card-value {
  font-size: 28px; font-weight: 800; color: var(--text); line-height: 1;
}
.stat-card-label {
  font-size: 13px; color: var(--text-muted); margin-top: 6px; font-weight: 500;
}

/* ── Content cards ───────────────────────────────────────────────────────── */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
}
.card-header {
  padding: 18px 22px;
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
}
.card-header h3 { font-size: 16px; font-weight: 700; color: var(--text); }
.card-header p  { font-size: 12px; color: var(--text-muted); margin-top: 2px; }
.card-body { padding: 0; }
.card-body-padded { padding: 22px; }

/* Grid for two columns */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.grid-3 { display: grid; grid-template-columns: repeat(3,1fr); gap: 16px; }

/* ── Tables ──────────────────────────────────────────────────────────────── */
.table-wrap { overflow-x: auto; }

table {
  width: 100%; border-collapse: collapse; min-width: 560px;
  font-size: 14px;
}
thead th {
  padding: 13px 16px; text-align: left;
  font-size: 11px; font-weight: 700; text-transform: uppercase;
  letter-spacing: .6px; color: var(--text-muted);
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}
tbody td {
  padding: 14px 16px; color: var(--text);
  border-bottom: 1px solid rgba(30,45,68,.6);
}
tbody tr:last-child td { border-bottom: none; }
tbody tr { transition: background .15s; }
tbody tr:hover { background: var(--bg-hover); }

/* ── Badges ──────────────────────────────────────────────────────────────── */
.badge {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 4px 10px; border-radius: 999px;
  font-size: 11px; font-weight: 700; white-space: nowrap;
}
.badge-dot { width: 6px; height: 6px; border-radius: 50%; }

.badge-green  { background: rgba(34,197,94,.14);  color: #4ADE80; }
.badge-red    { background: rgba(220,38,38,.14);  color: #F87171; }
.badge-yellow { background: rgba(245,158,11,.14); color: #FCD34D; }
.badge-blue   { background: rgba(59,130,246,.14); color: #60A5FA; }
.badge-purple { background: rgba(139,92,246,.14); color: #A78BFA; }
.badge-gray   { background: var(--bg-soft);       color: var(--text-muted); }

/* ── Buttons ──────────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; gap: 7px;
  padding: 10px 18px; border-radius: 10px;
  font-family: 'Inter', sans-serif;
  font-size: 14px; font-weight: 600;
  border: none; cursor: pointer; text-decoration: none;
  transition: all .18s var(--ease);
  white-space: nowrap;
}
.btn svg { width: 16px; height: 16px; }
.btn-sm { padding: 7px 13px; font-size: 13px; border-radius: 8px; }
.btn-icon { padding: 8px; border-radius: 8px; }

.btn-primary  { background: var(--red); color: #fff; }
.btn-primary:hover  { background: var(--red-dark); transform: translateY(-1px); box-shadow: 0 4px 14px rgba(220,38,38,.35); }

.btn-secondary { background: var(--bg-soft); color: var(--text); border: 1px solid var(--border); }
.btn-secondary:hover { background: var(--bg-hover); }

.btn-success { background: rgba(34,197,94,.15); color: #4ADE80; border: 1px solid rgba(34,197,94,.25); }
.btn-success:hover { background: var(--green); color: #fff; }

.btn-danger { background: rgba(220,38,38,.12); color: #F87171; border: 1px solid var(--red-border); }
.btn-danger:hover { background: var(--red); color: #fff; }

/* ── Forms ───────────────────────────────────────────────────────────────── */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-grid-3 { display: grid; grid-template-columns: repeat(3,1fr); gap: 14px; }
.form-full { grid-column: 1 / -1; }

.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-label { font-size: 13px; font-weight: 600; color: var(--text); }
.form-label .req { color: var(--red); margin-left: 3px; }

.form-control {
  width: 100%;
  padding: 11px 14px;
  background: var(--bg-input);
  border: 1px solid var(--border-soft);
  border-radius: 10px;
  color: var(--text);
  font-size: 14px;
  font-family: 'Inter', sans-serif;
  transition: border-color .18s, box-shadow .18s;
  outline: none;
}
.form-control::placeholder { color: var(--text-dim); }
.form-control:focus {
  border-color: var(--red);
  box-shadow: 0 0 0 3px rgba(220,38,38,.15);
}
select.form-control { cursor: pointer; }
textarea.form-control { resize: vertical; min-height: 90px; }

.form-hint { font-size: 11px; color: var(--text-muted); }

/* ── Alerts / Flash ──────────────────────────────────────────────────────── */
.alert {
  display: flex; align-items: flex-start; gap: 12px;
  padding: 14px 18px; border-radius: 12px; margin-bottom: 18px;
  font-size: 14px; font-weight: 500;
  animation: slideDown .25s var(--ease);
}
.alert svg { width: 18px; height: 18px; flex-shrink: 0; margin-top: 1px; }
.alert-success { background: rgba(34,197,94,.1);  border: 1px solid rgba(34,197,94,.25); color: #4ADE80; }
.alert-error   { background: rgba(220,38,38,.1);  border: 1px solid var(--red-border); color: #F87171; }
.alert-warning { background: rgba(245,158,11,.1); border: 1px solid rgba(245,158,11,.3); color: #FCD34D; }
.alert-info    { background: rgba(59,130,246,.1); border: 1px solid rgba(59,130,246,.3); color: #60A5FA; }

/* ── Member card (list view) ─────────────────────────────────────────────── */
.member-avatar {
  width: 38px; height: 38px; border-radius: 50%;
  background: linear-gradient(135deg, var(--red), #FF6B35);
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 14px; color: #fff; flex-shrink: 0;
}

/* ── Empty state ─────────────────────────────────────────────────────────── */
.empty-state {
  text-align: center; padding: 48px 24px; color: var(--text-muted);
}
.empty-state svg { width: 52px; height: 52px; opacity: .3; margin-bottom: 14px; }
.empty-state h3 { font-size: 16px; font-weight: 600; color: var(--text); margin-bottom: 6px; }
.empty-state p  { font-size: 14px; }

/* ── Actions column ──────────────────────────────────────────────────────── */
.table-actions { display: flex; gap: 6px; }

/* ── Chart container ─────────────────────────────────────────────────────── */
.chart-wrap { position: relative; height: 200px; }

/* ── Animations ──────────────────────────────────────────────────────────── */
@keyframes slideDown {
  from { opacity: 0; transform: translateY(-8px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
  from { opacity: 0; } to { opacity: 1; }
}

/* ── Search input ────────────────────────────────────────────────────────── */
.search-wrap {
  position: relative; display: flex; align-items: center;
}
.search-wrap svg {
  position: absolute; left: 12px;
  width: 16px; height: 16px; color: var(--text-muted); pointer-events: none;
}
.search-wrap .form-control { padding-left: 38px; }

/* ── Page header ─────────────────────────────────────────────────────────── */
.page-header {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 22px; gap: 16px;
  animation: fadeIn .3s var(--ease);
}
.page-header-text h1 { font-size: 22px; font-weight: 800; color: var(--text); }
.page-header-text p  { font-size: 13px; color: var(--text-muted); margin-top: 3px; }

/* ── Separator ───────────────────────────────────────────────────────────── */
hr { border: none; border-top: 1px solid var(--border); margin: 20px 0; }

/* ── Scrollbar ───────────────────────────────────────────────────────────── */
::-webkit-scrollbar { width: 5px; height: 5px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--bg-soft); border-radius: 3px; }

/* ══════════════════════════════════════════════════════════════════════════
   RESPONSIVE — Mobile
   ════════════════════════════════════════════════════════════════════════ */

@media (max-width: 1024px) {
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 900px) {
  .sidebar {
    transform: translateX(calc(-1 * var(--sidebar-w)));
  }
  .sidebar.open {
    transform: translateX(0);
    box-shadow: 8px 0 32px rgba(0,0,0,.5);
  }
  .sidebar-overlay.open { display: block; }

  .main-content { margin-left: 0; }

  .topbar { padding: 0 16px; }
  .topbar-hamburger { display: flex; }

  .page-content { padding: 16px 16px 32px; }

  .trial-banner { margin: 14px 16px 0; }

  .grid-2 { grid-template-columns: 1fr; }

  .form-grid   { grid-template-columns: 1fr; }
  .form-grid-3 { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 640px) {
  .stats-grid { grid-template-columns: 1fr 1fr; gap: 12px; }
  .stat-card-value { font-size: 22px; }

  .page-header { flex-direction: column; align-items: flex-start; gap: 12px; }

  .card-header { flex-direction: column; align-items: flex-start; gap: 10px; }

  .form-grid-3 { grid-template-columns: 1fr; }

  table { font-size: 13px; }
  thead th, tbody td { padding: 10px 12px; }
  
  .topbar-title h1 { font-size: 15px; }
  .topbar-title p { display: none; }
}

@media (max-width: 480px) {
  .stats-grid { grid-template-columns: 1fr; }
  .stat-card { padding: 15px; }
  .topbar-actions { gap: 8px; }
  .topbar-btn.topbar-btn-ghost { display: none; }
  .topbar-title h1 { max-width: 120px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
}

/* Table responsiveness hack for mobile */
@media(max-width:768px){
  .table-wrap::after{content:'Desliza →'; display:block; text-align:right; font-size:10px; color:var(--text-dim); margin-top:8px; font-weight:700; text-transform:uppercase;}
}