/* ==========================================================================
   Alpha Gym — Design System (Clean / Light / Minimal)
   ========================================================================== */

:root {
  /* Surfaces */
  --bg:            #f4f6f9;
  --surface:       #ffffff;
  --surface-2:     #f8fafc;
  --border:        #e6e9ef;
  --border-strong: #d3d9e3;

  /* Text */
  --text:          #111827;
  --text-soft:     #4b5563;
  --text-muted:    #8b93a3;

  /* Brand / accent (evolved from the original #1ecbe1 cyan) */
  --accent:        #0891b2;
  --accent-hover:  #0e7490;
  --accent-soft:   #e0f5f9;
  --accent-ink:    #075e6f;

  /* Status */
  --success:       #16a34a;
  --success-soft:  #e7f6ec;
  --warning:       #d97706;
  --warning-soft:  #fdf1e1;
  --danger:        #dc2626;
  --danger-soft:   #fdeaea;
  --info:          #2563eb;
  --info-soft:     #e8effd;

  /* Shape & depth */
  --radius:        14px;
  --radius-sm:     9px;
  --radius-pill:   999px;
  --shadow-sm:     0 1px 2px rgba(16,24,40,.06), 0 1px 3px rgba(16,24,40,.04);
  --shadow-md:     0 4px 12px rgba(16,24,40,.08);
  --shadow-lg:     0 12px 32px rgba(16,24,40,.12);

  --nav-h:         62px;
  --maxw:          1180px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font-family: var(--font);
  font-size: 15px;
  line-height: 1.5;
  color: var(--text);
  background: var(--bg);
  text-align: left;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-hover); }

h1, h2, h3, h4 { margin: 0 0 .5em; font-weight: 700; line-height: 1.25; color: var(--text); }
h1 { font-size: 1.6rem; }
h2 { font-size: 1.3rem; }
h3 { font-size: 1.1rem; }
p  { margin: 0 0 1rem; }
img { max-width: 100%; }

/* ---------- Layout ---------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 24px 18px 96px;
}
.container-narrow { max-width: 520px; }

.page-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 20px;
}
.page-head h1 { margin: 0; }
.page-head .subtitle { color: var(--text-muted); font-size: .92rem; margin: 2px 0 0; }

/* ---------- Top navigation ------------------------------------------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255,255,255,.9);
  backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  max-width: var(--maxw);
  margin: 0 auto;
  height: var(--nav-h);
  padding: 0 18px;
  display: flex;
  align-items: center;
  gap: 16px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 9px;
  font-weight: 800;
  font-size: 1.05rem;
  color: var(--text);
  letter-spacing: -.01em;
  white-space: nowrap;
}
.brand:hover { color: var(--text); }
.brand-mark {
  width: 30px; height: 30px;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--accent), #22c1d6);
  color: #fff;
  display: grid; place-items: center;
  font-weight: 900; font-size: .95rem;
  box-shadow: var(--shadow-sm);
}
.brand-mark span { transform: translateY(-1px); }

.nav-search {
  flex: 1;
  max-width: 340px;
  position: relative;
}
.nav-search input {
  width: 100%;
  height: 40px;
  padding: 0 14px 0 38px;
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  background: var(--surface-2);
  font-size: .9rem;
  color: var(--text);
  transition: border-color .15s, box-shadow .15s, background .15s;
}
.nav-search input:focus {
  outline: none;
  background: #fff;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}
.nav-search .ico {
  position: absolute;
  left: 13px; top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  pointer-events: none;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2px;
  margin-left: auto;
}
.nav-links a {
  padding: 8px 12px;
  border-radius: 8px;
  color: var(--text-soft);
  font-weight: 600;
  font-size: .9rem;
  white-space: nowrap;
  transition: background .15s, color .15s;
}
.nav-links a:hover { background: var(--surface-2); color: var(--text); }
.nav-links a.active { background: var(--accent-soft); color: var(--accent-ink); }

.nav-user {
  display: flex;
  align-items: center;
  gap: 10px;
  padding-left: 6px;
}
.nav-user .avatar {
  width: 34px; height: 34px;
  border-radius: 50%;
  background: var(--accent-soft);
  color: var(--accent-ink);
  display: grid; place-items: center;
  font-weight: 700; font-size: .85rem;
  text-transform: uppercase;
}

.nav-toggle {
  display: none;
  margin-left: auto;
  width: 42px; height: 42px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--surface);
  color: var(--text);
  font-size: 1.2rem;
  cursor: pointer;
  align-items: center;
  justify-content: center;
}

/* ---------- Cards ----------------------------------------------------- */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
}
.card-pad { padding: 20px; }
.section-title {
  display: flex; align-items: center; gap: 8px;
  font-size: 1.05rem; font-weight: 700;
  margin: 28px 0 14px;
}
.section-title .count {
  font-size: .75rem; font-weight: 700;
  color: var(--accent-ink); background: var(--accent-soft);
  padding: 2px 9px; border-radius: var(--radius-pill);
}

/* ---------- Stat tiles ----------------------------------------------- */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
  gap: 14px;
}
.stat {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
  box-shadow: var(--shadow-sm);
  position: relative;
  overflow: hidden;
}
.stat .label {
  font-size: .78rem; font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase; letter-spacing: .04em;
  display: flex; align-items: center; gap: 7px;
}
.stat .value { font-size: 1.9rem; font-weight: 800; margin-top: 6px; letter-spacing: -.02em; }
.stat .value.sm { font-size: 1.25rem; }
.stat .foot { font-size: .8rem; color: var(--text-muted); margin-top: 3px; }
.stat .chip { position: absolute; top: 16px; right: 16px; }
.stat.accent { background: linear-gradient(135deg, #0a97b8, #14b8cc); border-color: transparent; color: #fff; }
.stat.accent .label, .stat.accent .foot { color: rgba(255,255,255,.85); }
.stat.accent .value { color: #fff; }

/* ---------- Member / photo cards ------------------------------------- */
.grid-cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
  gap: 16px;
}
.mcard {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: box-shadow .18s, transform .18s;
}
.mcard:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
.mcard-photo {
  position: relative;
  width: 100%;
  aspect-ratio: 1 / 1;
  background: var(--surface-2);
  overflow: hidden;
}
.mcard-photo img {
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
}
.mcard-photo .status-badge {
  position: absolute; top: 10px; left: 10px;
}
.mcard-body { padding: 13px 14px 15px; display: flex; flex-direction: column; gap: 3px; flex: 1; }
.mcard-name { font-weight: 700; font-size: 1.02rem; color: var(--text); line-height: 1.2; }
.mcard-meta { font-size: .82rem; color: var(--text-muted); display: flex; align-items: center; gap: 6px; flex-wrap: wrap; }
.mcard-meta b { color: var(--text-soft); font-weight: 600; }
.mcard-actions { display: flex; gap: 6px; margin-top: 11px; flex-wrap: wrap; }
.mcard-actions .btn { flex: 1; padding: 8px 6px; font-size: .82rem; }
.mcard-links { display: flex; gap: 14px; margin-top: 9px; font-size: .82rem; }

/* ---------- Buttons --------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  padding: 10px 16px;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: .9rem;
  font-weight: 600;
  line-height: 1;
  cursor: pointer;
  text-decoration: none;
  white-space: nowrap;
  transition: background .15s, border-color .15s, color .15s, box-shadow .15s, transform .05s;
}
.btn:active { transform: translateY(1px); }
.btn:hover { text-decoration: none; }
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-hover); color: #fff; }
.btn-secondary { background: var(--surface); color: var(--text); border-color: var(--border-strong); }
.btn-secondary:hover { background: var(--surface-2); color: var(--text); }
.btn-success { background: var(--success); color: #fff; }
.btn-success:hover { background: #15803d; color: #fff; }
.btn-danger { background: var(--danger); color: #fff; }
.btn-danger:hover { background: #b91c1c; color: #fff; }
.btn-warning { background: var(--warning); color: #fff; }
.btn-warning:hover { background: #b45309; color: #fff; }
.btn-whatsapp { background: #25d366; color: #fff; }
.btn-whatsapp:hover { background: #1eb658; color: #fff; }
.btn-ghost { background: transparent; color: var(--accent); }
.btn-ghost:hover { background: var(--accent-soft); }
.btn-block { width: 100%; }
.btn-sm { padding: 7px 11px; font-size: .82rem; }
.btn-lg { padding: 13px 22px; font-size: 1rem; }
.btn[disabled] { opacity: .55; cursor: not-allowed; }

/* ---------- Forms ----------------------------------------------------- */
.form-group { margin-bottom: 16px; }
.form-group > label,
.form-label { display: block; font-weight: 600; font-size: .88rem; margin-bottom: 6px; color: var(--text-soft); }
.form-control,
input[type="text"].form-control,
input[type="password"].form-control,
input[type="number"].form-control,
input[type="email"].form-control,
input[type="file"].form-control,
select.form-control,
textarea.form-control {
  width: 100%;
  padding: 11px 13px;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  background: var(--surface);
  font-family: inherit;
  font-size: .95rem;
  color: var(--text);
  transition: border-color .15s, box-shadow .15s;
}
.form-control:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}
.form-control::placeholder { color: var(--text-muted); }
input[type="file"].form-control { padding: 9px 12px; }
.form-hint { font-size: .8rem; color: var(--text-muted); margin-top: 5px; }
.is-invalid { border-color: var(--danger) !important; }
.invalid-feedback { display: block; color: var(--danger); font-size: .82rem; margin-top: 5px; }

/* Segmented radio / option pills */
.option-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(120px, 1fr)); gap: 8px; }
.option {
  position: relative;
  display: flex; align-items: center; justify-content: center; gap: 6px;
  padding: 11px 10px;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  background: var(--surface);
  cursor: pointer;
  font-weight: 600; font-size: .88rem;
  text-align: center;
  transition: border-color .15s, background .15s, color .15s;
}
.option input { position: absolute; opacity: 0; inset: 0; cursor: pointer; }
.option:hover { border-color: var(--accent); }
.option:has(input:checked),
.option.selected {
  border-color: var(--accent);
  background: var(--accent-soft);
  color: var(--accent-ink);
  box-shadow: 0 0 0 1px var(--accent);
}

/* ---------- Tables ---------------------------------------------------- */
.table-wrap { width: 100%; overflow-x: auto; border-radius: var(--radius); border: 1px solid var(--border); background: var(--surface); box-shadow: var(--shadow-sm); }
table.table { width: 100%; border-collapse: collapse; font-size: .9rem; }
table.table th, table.table td { padding: 12px 15px; text-align: left; border-bottom: 1px solid var(--border); }
table.table th { background: var(--surface-2); font-weight: 700; color: var(--text-soft); font-size: .78rem; text-transform: uppercase; letter-spacing: .03em; white-space: nowrap; }
table.table tbody tr:last-child td, table.table tr:last-child td { border-bottom: none; }
table.table tbody tr:hover { background: var(--surface-2); }

/* ---------- Badges & alerts ------------------------------------------ */
.badge {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 3px 10px;
  border-radius: var(--radius-pill);
  font-size: .74rem; font-weight: 700;
  line-height: 1.4;
  white-space: nowrap;
}
.badge-success { background: var(--success-soft); color: #157f3b; }
.badge-warning { background: var(--warning-soft); color: #b45309; }
.badge-danger  { background: var(--danger-soft);  color: #b91c1c; }
.badge-info    { background: var(--info-soft);    color: #1d4ed8; }
.badge-muted   { background: var(--surface-2);    color: var(--text-muted); border: 1px solid var(--border); }

.alert {
  padding: 13px 16px;
  border-radius: var(--radius-sm);
  font-size: .9rem;
  margin-bottom: 16px;
  border: 1px solid transparent;
}
.alert-danger  { background: var(--danger-soft);  color: #b91c1c; border-color: #f5c6c6; }
.alert-success { background: var(--success-soft); color: #157f3b; border-color: #bfe6cc; }
.alert-info    { background: var(--info-soft);    color: #1d4ed8; border-color: #c7d8fb; }
.alert-warning { background: var(--warning-soft); color: #b45309; border-color: #f5d9ad; }

/* ---------- Auth pages ------------------------------------------------ */
.auth-wrap {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}
.auth-card {
  width: 100%;
  max-width: 400px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 18px;
  box-shadow: var(--shadow-lg);
  padding: 32px 30px;
}
.auth-brand { display: flex; flex-direction: column; align-items: center; gap: 12px; margin-bottom: 22px; text-align: center; }
.auth-brand .brand-mark { width: 48px; height: 48px; font-size: 1.3rem; border-radius: 13px; }

/* ---------- Utilities ------------------------------------------------- */
.progress { height: 8px; background: var(--border); border-radius: var(--radius-pill); overflow: hidden; }
.progress > div { height: 100%; background: var(--accent); width: 0; transition: width .1s linear; }
.text-muted { color: var(--text-muted); }
.text-center { text-align: center; }
.mt-0{margin-top:0}.mt-1{margin-top:8px}.mt-2{margin-top:16px}.mt-3{margin-top:24px}
.mb-0{margin-bottom:0}.mb-1{margin-bottom:8px}.mb-2{margin-bottom:16px}.mb-3{margin-bottom:24px}
.flex { display:flex; } .items-center{align-items:center;} .gap-2{gap:8px;} .gap-3{gap:12px;} .wrap{flex-wrap:wrap;}
.chart-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow-sm); padding: 18px; }
.chart-box { position: relative; width: 100%; }
.empty { text-align: center; color: var(--text-muted); padding: 40px 20px; }

.filter-bar { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 18px; align-items: center; }
.pill-tabs { display: inline-flex; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-pill); padding: 4px; gap: 2px; flex-wrap: wrap; }
.pill-tabs a {
  padding: 7px 14px; border-radius: var(--radius-pill);
  font-size: .85rem; font-weight: 600; color: var(--text-soft);
}
.pill-tabs a:hover { color: var(--text); }
.pill-tabs a.active { background: var(--accent); color: #fff; }

/* ---------- Mobile menu ---------------------------------------------- */
.nav-drawer { display: none; }

@media (max-width: 1024px) {
  .nav-links, .nav-user, .nav-search { display: none; }
  .nav-toggle { display: inline-flex; }
  .nav-drawer {
    display: block;
    max-height: 0;
    overflow: hidden;
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    transition: max-height .28s ease;
  }
  .nav-drawer.open { max-height: 640px; }
  .nav-drawer-inner { padding: 12px 16px 18px; display: flex; flex-direction: column; gap: 4px; }
  .nav-drawer .nav-search { display: block; max-width: none; margin-bottom: 8px; }
  .nav-drawer a {
    padding: 12px 12px; border-radius: 10px;
    color: var(--text-soft); font-weight: 600;
    display: flex; align-items: center; gap: 10px;
  }
  .nav-drawer a:hover { background: var(--surface-2); color: var(--text); }
  .nav-drawer a.active { background: var(--accent-soft); color: var(--accent-ink); }
  .nav-drawer .divider { height: 1px; background: var(--border); margin: 6px 0; }
}

@media (max-width: 560px) {
  h1 { font-size: 1.35rem; }
  .container { padding: 18px 14px 96px; }
  .stat .value { font-size: 1.6rem; }
  .grid-cards { grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 12px; }
  .mcard-name { font-size: .95rem; }
}