/* =========================================================
   ECHO ARENA — PAINEL ADMINISTRATIVO
   Estilos base: variáveis, tipografia, formulários, botões,
   tabelas e utilitários.

   A casca (sidebar, topbar, layout) fica em admin-shell.css.
   Cada página adiciona apenas o CSS do próprio conteúdo.
   ========================================================= */

:root{
  /* superfícies */
  --admin-bg:#070b14;
  --admin-panel:#0f1728;
  --admin-panel-2:#111c31;
  --admin-panel-3:#09111f;
  --admin-input:#08101e;

  /* linhas */
  --admin-line:#26344f;
  --admin-line-2:#33415f;

  /* texto */
  --admin-text:#f5f7ff;
  --admin-muted:#9da8bd;
  --admin-faint:#65718a;

  /* marca */
  --admin-purple:#8b5cf6;
  --admin-purple-dark:#6d28d9;
  --admin-purple-light:#b99eff;

  /* estados */
  --admin-green:#4ade80;
  --admin-red:#ff8585;
  --admin-amber:#ffd76d;

  --admin-radius:12px;
  --admin-font:'Inter',system-ui,-apple-system,'Segoe UI',sans-serif;
}

/* ---------------------------------------------------------
   BASE
--------------------------------------------------------- */

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

html,body{min-height:100%}

body{
  background:var(--admin-bg);
  color:var(--admin-text);
  font-family:var(--admin-font);
  font-size:14px;
  line-height:1.5;
  -webkit-font-smoothing:antialiased;
}

a{color:inherit;text-decoration:none}
a:hover{color:var(--admin-purple-light)}

img,video{display:block;max-width:100%}

h1,h2,h3,h4{line-height:1.2;font-weight:700}
h1{font-size:34px}
h2{font-size:22px}
h3{font-size:17px}
h4{font-size:14px}

p{margin:0}

::selection{background:#8b5cf655}

::-webkit-scrollbar{width:9px;height:9px}
::-webkit-scrollbar-track{background:transparent}
::-webkit-scrollbar-thumb{background:var(--admin-line);border-radius:6px}
::-webkit-scrollbar-thumb:hover{background:var(--admin-line-2)}

/* ---------------------------------------------------------
   FORMULÁRIOS
--------------------------------------------------------- */

.admin-input,
.admin-select,
.admin-textarea{
  width:100%;
  min-height:44px;
  padding:11px 13px;
  border:1px solid var(--admin-line);
  border-radius:10px;
  background:var(--admin-input);
  color:var(--admin-text);
  font-family:inherit;
  font-size:13.5px;
  transition:border-color .15s ease,box-shadow .15s ease;
}

.admin-textarea{
  min-height:96px;
  line-height:1.6;
  resize:vertical;
}

.admin-input::placeholder,
.admin-textarea::placeholder{color:var(--admin-faint)}

.admin-input:focus,
.admin-select:focus,
.admin-textarea:focus{
  outline:none;
  border-color:var(--admin-purple);
  box-shadow:0 0 0 3px rgba(139,92,246,.18);
}

.admin-input:disabled,
.admin-select:disabled,
.admin-textarea:disabled{
  opacity:.55;
  cursor:not-allowed;
}

/* seta do select */
.admin-select{
  appearance:none;
  padding-right:34px;
  background-image:linear-gradient(45deg,transparent 50%,var(--admin-muted) 50%),
                   linear-gradient(135deg,var(--admin-muted) 50%,transparent 50%);
  background-position:calc(100% - 18px) 50%,calc(100% - 13px) 50%;
  background-size:5px 5px,5px 5px;
  background-repeat:no-repeat;
}

.admin-select option{background:var(--admin-panel);color:var(--admin-text)}

input[type="color"]{cursor:pointer}
input[type="range"]{accent-color:var(--admin-purple)}
input[type="checkbox"],
input[type="radio"]{accent-color:var(--admin-purple);cursor:pointer}

input[type="file"].admin-input{
  padding:9px 12px;
  font-size:12.5px;
  cursor:pointer;
}

label{font-size:12px}

/* ---------------------------------------------------------
   BOTÕES
--------------------------------------------------------- */

.admin-button{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:7px;
  min-height:44px;
  padding:11px 17px;
  border:1px solid var(--admin-line-2);
  border-radius:10px;
  background:var(--admin-panel-2);
  color:var(--admin-text);
  font-family:inherit;
  font-size:12.5px;
  font-weight:700;
  letter-spacing:.02em;
  text-align:center;
  text-decoration:none;
  cursor:pointer;
  transition:background .15s ease,border-color .15s ease,transform .15s ease;
}

.admin-button:hover{
  background:#17213a;
  color:var(--admin-text);
  transform:translateY(-1px);
}

.admin-button:active{transform:translateY(0)}

.admin-button:disabled,
.admin-button[disabled]{
  opacity:.55;
  cursor:not-allowed;
  transform:none;
}

.admin-button.primary{
  border-color:transparent;
  background:linear-gradient(180deg,var(--admin-purple),var(--admin-purple-dark));
  color:#fff;
  box-shadow:0 8px 22px -10px rgba(139,92,246,.9);
}

.admin-button.primary:hover{filter:brightness(1.08)}

.admin-button.danger{
  border-color:#71303b;
  background:#2a1016;
  color:#ff9aaa;
}

.admin-button.danger:hover{background:#37151d}

.admin-button.ghost{
  border-color:var(--admin-line);
  background:transparent;
  color:var(--admin-muted);
}

.admin-button.ghost:hover{color:var(--admin-text)}

/* ---------------------------------------------------------
   SUPERFÍCIES
--------------------------------------------------------- */

.admin-card,
.admin-panel-box{
  padding:18px;
  border:1px solid var(--admin-line);
  border-radius:14px;
  background:var(--admin-panel);
}

.admin-divider{
  height:1px;
  margin:18px 0;
  border:0;
  background:var(--admin-line);
}

.admin-badge{
  display:inline-flex;
  align-items:center;
  min-height:22px;
  padding:4px 9px;
  border:1px solid #3c3266;
  border-radius:999px;
  background:#1d1638;
  color:#c9b7ff;
  font-size:9px;
  font-weight:800;
  letter-spacing:.05em;
  text-transform:uppercase;
}

.admin-badge.ok{border-color:#28613c;background:#0c2918;color:#8bf0aa}
.admin-badge.warn{border-color:#6f5618;background:#2a2009;color:var(--admin-amber)}
.admin-badge.danger{border-color:#71303b;background:#2a1016;color:#ff9aaa}

/* ---------------------------------------------------------
   MENSAGENS
--------------------------------------------------------- */

.message,
#message{
  min-height:22px;
  color:var(--admin-muted);
  font-size:13px;
}

.message.error,
#message.error{color:var(--admin-red)}

.message.ok,
#message.ok{color:var(--admin-green)}

/* ---------------------------------------------------------
   TABELAS
--------------------------------------------------------- */

.admin-table{
  width:100%;
  border-collapse:collapse;
  font-size:13px;
}

.admin-table th{
  padding:11px 12px;
  border-bottom:1px solid var(--admin-line);
  color:var(--admin-muted);
  font-size:10.5px;
  font-weight:800;
  letter-spacing:.08em;
  text-transform:uppercase;
  text-align:left;
}

.admin-table td{
  padding:12px;
  border-bottom:1px solid var(--admin-line);
}

.admin-table tr:last-child td{border-bottom:0}
.admin-table tbody tr:hover{background:var(--admin-panel-3)}

/* ---------------------------------------------------------
   ESTADOS VAZIOS
--------------------------------------------------------- */

.admin-empty{
  padding:32px;
  border:1px dashed var(--admin-line);
  border-radius:12px;
  background:var(--admin-panel);
  color:var(--admin-muted);
  font-size:12px;
  line-height:1.6;
  text-align:center;
}

/* ---------------------------------------------------------
   UTILITÁRIOS
--------------------------------------------------------- */

.hidden{display:none !important}
.muted{color:var(--admin-muted)}
.faint{color:var(--admin-faint)}
.text-center{text-align:center}
.text-right{text-align:right}
.full-width{width:100%}
.nowrap{white-space:nowrap}

.truncate{
  min-width:0;
  overflow:hidden;
  white-space:nowrap;
  text-overflow:ellipsis;
}

.stack{display:grid;gap:12px}
.row{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.row.between{justify-content:space-between}
.row.end{justify-content:flex-end}

/* ---------------------------------------------------------
   LAYOUT ANTIGO (páginas que ainda não usam o admin-shell)
--------------------------------------------------------- */

.sidebar{
  display:flex;
  flex-direction:column;
  gap:4px;
  padding:20px 14px;
  border-right:1px solid var(--admin-line);
  background:var(--admin-panel);
}

.sidebar a{
  padding:11px 14px;
  border-radius:9px;
  color:var(--admin-muted);
  font-size:12.5px;
  font-weight:600;
}

.sidebar a:hover{background:var(--admin-panel-2);color:var(--admin-text)}
.sidebar a.active{background:var(--admin-panel-2);color:#fff}

/* ---------------------------------------------------------
   RESPONSIVO
--------------------------------------------------------- */

@media(max-width:760px){
  h1{font-size:26px}
  h2{font-size:19px}

  .admin-card,
  .admin-panel-box{padding:15px}

  .admin-button{width:100%}
  .row .admin-button{width:auto}
}

/* ---------------------------------------------------------
   LAYOUT LEGADO — equipment-editor.html e equipment-import.html
   Essas duas páginas têm cabeçalho próprio, anterior ao
   admin-shell. Mantidas aqui até serem migradas.
--------------------------------------------------------- */

.equipment-page{
  display:grid;
  grid-template-columns:230px minmax(0,1fr);
  min-height:100vh;
  background:var(--admin-bg);
  color:var(--admin-text);
}

.equipment-main{
  min-width:0;
  padding:28px;
}

.equipment-page .sidebar{
  position:sticky;
  top:0;
  align-self:start;
  display:flex;
  flex-direction:column;
  gap:6px;
  height:100vh;
  padding:22px 16px;
  overflow-y:auto;
  border-right:1px solid var(--admin-line);
  background:var(--admin-panel);
}

.equipment-page .brand{
  padding:0 8px 14px;
  font-size:20px;
  font-weight:800;
  letter-spacing:.02em;
}

.equipment-page .brand span{color:var(--admin-purple-light)}

.equipment-page .sidebar nav{
  flex:1;
  display:flex;
  flex-direction:column;
  gap:3px;
}

.equipment-page .sidebar nav a{
  display:block;
  padding:11px 14px;
  border-radius:10px;
  color:var(--admin-muted);
  font-size:13px;
  font-weight:600;
  text-decoration:none;
  transition:background .15s ease,color .15s ease;
}

.equipment-page .sidebar nav a:hover{
  background:var(--admin-panel-2);
  color:var(--admin-text);
}

.equipment-page .sidebar nav a.active{
  background:linear-gradient(180deg,var(--admin-purple),var(--admin-purple-dark));
  color:#fff;
  box-shadow:0 8px 22px -12px rgba(139,92,246,.9);
}

/* botão genérico do layout legado */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-height:42px;
  padding:11px 16px;
  border:1px solid var(--admin-line-2);
  border-radius:10px;
  background:var(--admin-panel-2);
  color:var(--admin-text);
  font-family:inherit;
  font-size:12.5px;
  font-weight:700;
  cursor:pointer;
  transition:background .15s ease;
}

.btn:hover{background:#17213a}

.btn.ghost{
  border-color:var(--admin-line);
  background:transparent;
  color:var(--admin-muted);
}

.btn.ghost:hover{
  background:var(--admin-panel-2);
  color:var(--admin-text);
}

.eyebrow{
  color:var(--admin-purple-light);
  font-size:10px;
  font-weight:800;
  letter-spacing:.14em;
  text-transform:uppercase;
}

@media(max-width:900px){
  .equipment-page{grid-template-columns:minmax(0,1fr)}

  .equipment-page .sidebar{
    position:static;
    height:auto;
    flex-direction:row;
    flex-wrap:wrap;
    align-items:center;
    gap:8px;
    border-right:0;
    border-bottom:1px solid var(--admin-line);
  }

  .equipment-page .brand{padding:0 8px 0 0}
  .equipment-page .sidebar nav{flex:1;flex-direction:row;flex-wrap:wrap}
  .equipment-page .sidebar .btn{width:auto}

  .equipment-main{padding:16px}
}