/* Base da tela: tokens, formulários, botões, mensagens, selos e o modal. */
:root{
  --ink:#0F1B2D; --muted:#4A5568; --line:#D9DEE7; --line-strong:#B8C0CC; --ground:#F4F5F8; --surface:#fff;
  --navy:#13284A; --primary:#1F4B8E; --primary-dark:#163A6B; --primary-tint:#EAF0F9;
  --ok-bg:#E8F5EE; --ok-line:#A8D5B9; --ok-ink:#14532D; --ok-solid:#17663A;
  --err-bg:#FDECEA; --err-line:#F0B4AC; --err-ink:#8A1C12; --err-solid:#B42318;
  --warn-bg:#FFF6DB; --warn-line:#E9C46A; --warn-ink:#6B4200;
  --info-bg:#EAF0F9; --info-line:#BFD0EA; --info-ink:#163A6B;
  --serif:'Source Serif 4',Georgia,'Times New Roman',serif;
  --sans:'IBM Plex Sans',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;
  --mono:'IBM Plex Mono',ui-monospace,Menlo,Consolas,monospace;
}
*{box-sizing:border-box}
html,body{margin:0}
body{background:var(--ground);color:var(--ink);font-family:var(--sans);font-size:15px;line-height:1.5;-webkit-font-smoothing:antialiased}
a{color:var(--primary)}a:hover{color:var(--primary-dark)}
[hidden]{display:none!important}
:focus-visible{outline:3px solid #6B93D6;outline-offset:2px}
h1,h2,p{margin:0}
code{font-family:var(--mono);font-size:13px;background:#EEF0F4;padding:1px 6px;border-radius:4px;color:var(--ink);overflow-wrap:anywhere}

/* Ícones: o sprite fica no topo do body e cada <svg><use> aponta para ele. */
.sprite{position:absolute;width:0;height:0;overflow:hidden}

/* Marca (coluna da entrada e barra do painel) */
.brand{display:flex;align-items:center;gap:12px;color:#fff;font-weight:600;font-size:16px}
.brand-mark{width:40px;height:40px;border-radius:8px;border:1px solid rgba(255,255,255,.35);display:flex;align-items:center;justify-content:center;font-family:var(--serif);font-weight:600;font-size:18px;color:#fff;flex:none}

/* Layout e utilitários */
.stack{display:flex;flex-direction:column;gap:20px}
.stack-sm{display:flex;flex-direction:column;gap:16px}
.nota{font-size:14px;color:var(--muted)}
.self-center{align-self:center}
.upper{text-transform:uppercase}

/* Form basics */
.field{display:flex;flex-direction:column}
.lbl{display:block;font-size:14px;font-weight:600;margin-bottom:6px}
.hint{font-size:13px;color:var(--muted);margin-top:6px}
.inp{width:100%;min-height:46px;padding:0 14px;border:1px solid var(--line-strong);border-radius:8px;font:inherit;font-size:16px;color:var(--ink);background:#fff}
textarea.inp{padding:10px 14px;min-height:88px;resize:vertical;font-family:var(--mono);font-size:14px}
.inp:focus{outline:3px solid rgba(31,75,142,.25);outline-offset:0;border-color:var(--primary)}
.inp[aria-invalid="true"]{border:2px solid var(--err-solid)}
.mono{font-family:var(--mono);font-size:14px}
.code-inp{min-height:56px;font-family:var(--mono);font-size:26px;letter-spacing:.4em;padding:0 16px}
.grid-2{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(150px,100%),1fr));gap:12px}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;padding:0 20px;border-radius:8px;font:inherit;font-weight:600;cursor:pointer;border:1px solid transparent;text-decoration:none;white-space:nowrap}
.btn:disabled{cursor:not-allowed;opacity:.7}
.btn[aria-busy="true"]{cursor:progress;opacity:.85}
.btn-p{background:var(--primary);color:#fff}.btn-p:hover:not(:disabled){background:var(--primary-dark)}
.btn-s{background:#fff;color:var(--primary);border-color:var(--line-strong)}.btn-s:hover:not(:disabled){background:var(--primary-tint)}
.btn-danger{background:var(--err-solid);color:#fff}.btn-danger:hover:not(:disabled){background:#8F1C13}
.btn-g{background:transparent;color:var(--primary);padding:0 10px}.btn-g:hover:not(:disabled){background:var(--primary-tint)}
.btn-ok{background:var(--ok-bg);color:var(--ok-ink);border-color:var(--ok-line)}
.btn-block{width:100%}
.spinner{width:16px;height:16px;border-radius:50%;border:2px solid currentColor;border-top-color:transparent;animation:spin .8s linear infinite;flex:none}
@keyframes spin{to{transform:rotate(360deg)}}
@media (prefers-reduced-motion:reduce){.spinner{animation-duration:2.4s}}

/* Messages */
.msgs{display:flex;flex-direction:column;gap:8px}
.msgs:empty{display:none}
.msg{display:flex;gap:10px;padding:12px 14px;border-radius:8px;font-size:14px;border:1px solid}
.msg svg{flex:none;margin-top:1px}
.msg-ok{background:var(--ok-bg);border-color:var(--ok-line);color:var(--ok-ink)}
.msg-err{background:var(--err-bg);border-color:var(--err-line);color:var(--err-ink)}
.msg-warn{background:var(--warn-bg);border-color:var(--warn-line);color:var(--warn-ink)}
.msg-info{background:var(--info-bg);border-color:var(--info-line);color:var(--info-ink)}

/* Badges */
.badge{display:inline-flex;align-items:center;gap:6px;padding:3px 10px;border-radius:999px;font-size:13px;font-weight:600;border:1px solid transparent;white-space:nowrap}
.badge-warn{background:var(--warn-bg);border-color:var(--warn-line);color:var(--warn-ink)}
.badge-err{background:var(--err-bg);border-color:var(--err-line);color:var(--err-ink)}

/* Modal */
dialog.modal{border:0;border-radius:12px;padding:0;width:calc(100% - 32px);max-width:440px;box-shadow:0 20px 48px rgba(15,27,45,.28);color:var(--ink)}
dialog.modal::backdrop{background:rgba(15,27,45,.55)}
.modal-in{padding:28px;display:flex;flex-direction:column;gap:16px}
.modal-icon{width:44px;height:44px;border-radius:50%;background:var(--err-bg);display:flex;align-items:center;justify-content:center}
.modal-icon svg{color:var(--err-solid)}
.modal h2{font-family:var(--serif);font-weight:600;font-size:22px;line-height:1.25}
.modal p{color:var(--muted)}
.modal-actions{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:10px;margin-top:8px}
@media (max-width:420px){.modal-actions .btn{flex:1 1 100%}}