/* ============================================================
   GymFlux — estilos base
   Identidade: base BRANCA + accent laranja (paleta Arena Supreme)
   Tema dark opcional via [data-theme="dark"].
   ============================================================ */

:root {
  --bg:        #FFFFFF;
  --surface:   #F5F6F8;
  --card-bg:   #FFFFFF;
  --border:    #E5E7EB;

  --accent:      #F26522;  /* laranja supreme */
  --accent-dark: #D9531A;
  --accent-tint: #FEF0E8;

  --text:   #1E1E1E;
  --muted:  #6B7280;

  --success: #16A34A;
  --danger:  #DC2626;
  --warning: #D97706;

  --radius: 12px;
  --shadow: 0 4px 24px rgba(17,17,17,0.08);
  --font: 'Inter', 'DM Sans', system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
}

[data-theme="dark"] {
  --bg:        #14161A;
  --surface:   #1C1F26;
  --card-bg:   #1C1F26;
  --border:    #2A2E37;
  --text:      #F3F4F6;
  --muted:     #9CA3AF;
  --accent-tint: #2A1C12;
  --shadow: 0 4px 24px rgba(0,0,0,0.4);
}

* { box-sizing: border-box; }

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

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

/* --- Tipografia utilitária --- */
h1, h2, h3 { color: var(--text); margin: 0 0 12px; }
.muted { color: var(--muted); }

/* --- Botões --- */
.btn, .form-submit {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 12px 20px; border: none; border-radius: 10px;
  background: var(--accent); color: #fff; font-weight: 600; font-size: 14px;
  cursor: pointer; transition: background .15s, transform .05s; font-family: inherit;
}
.btn:hover, .form-submit:hover { background: var(--accent-dark); }
.btn:active, .form-submit:active { transform: translateY(1px); }
.btn:disabled, .form-submit:disabled { opacity: .6; cursor: not-allowed; }
.form-submit { width: 100%; }
.btn-ghost {
  background: transparent; color: var(--text); border: 1px solid var(--border);
}
.btn-ghost:hover { background: var(--surface); }

/* --- Formulários --- */
.form-group { margin-bottom: 16px; }
.form-group label {
  display: block; margin-bottom: 6px; font-size: 13px; font-weight: 600; color: var(--text);
}
.form-group input, .form-group textarea, input.field {
  width: 100%; padding: 12px 14px; border-radius: 10px;
  border: 1px solid var(--border); background: var(--card-bg); color: var(--text);
  font-size: 14px; font-family: inherit; outline: none; transition: border-color .15s;
}
.form-group input:focus, .form-group textarea:focus, input.field:focus { border-color: var(--accent); }
.form-group input.invalid, input.field.invalid { border-color: var(--danger); background: #FEF2F2; }

/* --- Combos (select) — visual moderno com seta customizada --- */
select {
  -webkit-appearance: none; -moz-appearance: none; appearance: none;
  border: 1px solid var(--border); border-radius: 10px;
  background-color: var(--card-bg); color: var(--text);
  font-family: inherit; font-size: 14px; line-height: 1.4; cursor: pointer; outline: none;
  padding: 11px 36px 11px 14px; transition: border-color .15s, box-shadow .15s;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1.5 6 6.5 11 1.5' fill='none' stroke='%236B7280' stroke-width='1.7' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 13px center;
}
.form-group select { width: 100%; }
select:hover { border-color: #cfd4db; }
select:focus { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-tint); }
select:disabled { background-color: var(--surface); color: var(--muted); cursor: not-allowed; }
select.invalid, .form-group select.invalid { border-color: var(--danger); background-color: #FEF2F2; }
.form-footer { margin-top: 16px; font-size: 13px; color: var(--muted); text-align: center; }

/* --- Alertas --- */
.alert { display: none; padding: 12px 14px; border-radius: 10px; font-size: 13px; margin-bottom: 16px; }
.alert.show { display: block; }
.alert.error   { background: #FEE2E2; border: 1px solid #FCA5A5; color: #991B1B; }
.alert.success { background: #DCFCE7; border: 1px solid #86EFAC; color: #065F46; }
.alert.warning { background: #FEF3C7; border: 1px solid #FCD34D; color: #92400E; }
.alert.info    { background: var(--accent-tint); border: 1px solid var(--accent); color: var(--accent-dark); }

/* --- Cards --- */
.card {
  background: var(--card-bg); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 24px; box-shadow: var(--shadow);
}

/* --- Marca --- */
.brand { font-weight: 800; font-size: 1.4rem; letter-spacing: -.5px; color: var(--text); }
.brand span { color: var(--accent); }

/* --- Topbar do app --- */
.topbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 24px; background: var(--card-bg); border-bottom: 1px solid var(--border);
}
.topbar .user { display: flex; align-items: center; gap: 12px; font-size: 14px; color: var(--muted); }

/* --- Layout de conteúdo --- */
.container { max-width: 1080px; margin: 0 auto; padding: 32px 24px; }
.page-title { display: flex; align-items: center; justify-content: space-between; margin-bottom: 20px; }

/* --- Estado vazio --- */
.empty {
  text-align: center; padding: 56px 24px; color: var(--muted);
  border: 1px dashed var(--border); border-radius: var(--radius); background: var(--surface);
}
.empty .icon { font-size: 2.4rem; margin-bottom: 12px; }

/* --- Tabela --- */
table.data { width: 100%; border-collapse: collapse; }
table.data th, table.data td { text-align: left; padding: 12px 14px; border-bottom: 1px solid var(--border); font-size: 14px; }
table.data th { color: var(--muted); font-weight: 600; font-size: 12px; text-transform: uppercase; letter-spacing: .4px; }

/* --- Badge --- */
.badge { display: inline-block; padding: 3px 10px; border-radius: 999px; font-size: 12px; font-weight: 600; }
.badge.on  { background: #DCFCE7; color: #065F46; }
.badge.off { background: #FEE2E2; color: #991B1B; }

@media (max-width: 640px) {
  .container { padding: 20px 16px; }
  .topbar { padding: 12px 16px; }
}

/* --- Mini-dashboard (gráficos no topo das listagens) --- */
.minidash { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 14px; margin-bottom: 18px; }
.minidash .mini { background: var(--card-bg); border: 1px solid var(--border); border-radius: 14px; padding: 16px; }
.minidash .mini h3 { font-size: 12px; margin: 0 0 10px; color: var(--muted); font-weight: 700; text-transform: uppercase; letter-spacing: .4px; }
.minidash .chart-box { height: 160px; position: relative; }
.minidash .mini .big { font-size: 1.8rem; font-weight: 800; }
.minidash .mini .big-sub { font-size: 12px; color: var(--muted); }

/* --- Barra de filtros das listagens --- */
.filtros-bar { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; margin-bottom: 14px; }
.filtros-bar input, .filtros-bar select {
  padding: 10px 14px; border: 1px solid var(--border); border-radius: 10px;
  background: var(--card-bg); color: var(--text); font-size: 14px; font-family: inherit; outline: none;
}
.filtros-bar input:focus { border-color: var(--accent); }
.filtros-bar .busca { flex: 1; min-width: 220px; }
.filtros-bar .filtro-info { font-size: 13px; color: var(--muted); margin-left: auto; }

/* --- Sidebar (menu lateral esquerdo) --- */
.sidebar {
  position: fixed; top: 0; left: 0; width: 240px; height: 100vh;
  background: var(--card-bg); border-right: 1px solid var(--border);
  overflow-y: auto; z-index: 60; display: flex; flex-direction: column;
  transition: transform .25s ease;
}
.sidebar .side-brand { padding: 20px 22px 6px; font-weight: 800; font-size: 1.3rem; letter-spacing: -.5px; }
.sidebar .side-brand span { color: var(--accent); }
.sidebar .side-academia { padding: 0 22px 16px; font-size: 12px; color: var(--muted); border-bottom: 1px solid var(--border); }
.sidebar nav { padding: 12px 10px; flex: 1; }
.sidebar .item {
  display: flex; align-items: center; gap: 11px; padding: 10px 12px; margin-bottom: 2px; width: 100%;
  border: none; background: none; font-family: inherit; cursor: pointer;
  border-radius: 10px; color: var(--text); text-decoration: none; font-size: 14px; font-weight: 600;
}
.sidebar .item:hover { background: var(--surface); text-decoration: none; }
.sidebar a.item.active { background: var(--accent-tint); color: var(--accent-dark); }
.sidebar .item .ic { width: 22px; text-align: center; font-size: 17px; }
/* Grupos (submenu) */
.sidebar .group-head .chev { margin-left: auto; font-size: 11px; color: var(--muted); transition: transform .2s; }
.sidebar .group.open .group-head .chev { transform: rotate(90deg); }
.sidebar .subitems { display: none; margin: 2px 0 6px; }
.sidebar .group.open .subitems { display: block; }
.sidebar a.subitem {
  display: block; padding: 8px 12px 8px 45px; margin-bottom: 1px; border-radius: 8px;
  color: var(--muted); text-decoration: none; font-size: 13px; font-weight: 600;
}
.sidebar a.subitem:hover { background: var(--surface); color: var(--text); }
.sidebar a.subitem.active { background: var(--accent-tint); color: var(--accent-dark); }

body.with-sidebar .topbar,
body.with-sidebar .container { margin-left: 240px; }

.menu-toggle { display: none; background: none; border: none; font-size: 22px; cursor: pointer; margin-right: 6px; color: var(--text); line-height: 1; }
.menu-overlay { display: none; position: fixed; inset: 0; background: rgba(0,0,0,.4); z-index: 55; }

@media (max-width: 900px) {
  .sidebar { transform: translateX(-100%); box-shadow: var(--shadow); }
  body.menu-open .sidebar { transform: translateX(0); }
  body.menu-open .menu-overlay { display: block; }
  body.with-sidebar .topbar,
  body.with-sidebar .container { margin-left: 0; }
  .menu-toggle { display: inline-block; }
}