:root {
    --navy: #1a2e5a;
    --navy-2: #24407a;
    --ink: #1f2733;
    --muted: #6b7280;
    --line: #e5e7eb;
    --bg: #f5f6f8;
    --danger: #b42318;
    --danger-bg: #fef3f2;
    --ok: #067647;
}

* { box-sizing: border-box; }

html, body {
    margin: 0;
    font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
    color: var(--ink);
    background: var(--bg);
}

h1.titulo { font-size: 1.5rem; margin: 0 0 1.25rem; }
.muted { color: var(--muted); }

/* ---- App shell ---- */
.app-shell { min-height: 100vh; display: flex; flex-direction: column; }
.app-header {
    display: flex; align-items: center; justify-content: space-between;
    background: var(--navy); color: #fff; padding: 0 1.5rem; height: 60px;
}
.brand { font-weight: 700; font-size: 1.1rem; letter-spacing: .3px; }
.brand-sub { font-weight: 400; opacity: .7; margin-left: .4rem; font-size: .85rem; }
.app-nav { display: flex; align-items: center; gap: 1rem; }
.app-nav .user { opacity: .85; font-size: .9rem; }
.app-nav .logout { color: #fff; text-decoration: none; border: 1px solid rgba(255,255,255,.35); padding: .3rem .8rem; border-radius: 6px; font-size: .85rem; }
.app-nav .logout:hover { background: rgba(255,255,255,.12); }
.app-main { flex: 1; padding: 1.75rem 1.5rem; max-width: 1100px; width: 100%; margin: 0 auto; }

/* ---- Login ---- */
.login-shell { min-height: 100vh; display: flex; align-items: center; justify-content: center; background: var(--navy); padding: 1rem; }
.login-card { background: #fff; border-radius: 14px; padding: 2.25rem; width: 100%; max-width: 380px; box-shadow: 0 12px 40px rgba(0,0,0,.25); }
.login-brand { font-size: 1.4rem; font-weight: 700; color: var(--navy); text-align: center; }
.login-brandsub { text-align: center; color: var(--muted); margin-bottom: 1.5rem; letter-spacing: 2px; font-size: .8rem; }

.lbl { display: block; font-size: .82rem; font-weight: 600; color: var(--muted); margin: .75rem 0 .3rem; }
.campo { width: 100%; padding: .6rem .7rem; border: 1px solid var(--line); border-radius: 8px; font-size: .95rem; }
.campo:focus { outline: none; border-color: var(--navy-2); box-shadow: 0 0 0 3px rgba(36,64,122,.15); }
.campo-sm { padding: .45rem .5rem; border: 1px solid var(--line); border-radius: 8px; font-size: .9rem; width: 90px; }

.btn-entrar { width: 100%; margin-top: 1.4rem; background: var(--navy); color: #fff; border: 0; padding: .7rem; border-radius: 8px; font-size: 1rem; font-weight: 600; cursor: pointer; }
.btn-entrar:hover { background: var(--navy-2); }
.btn-entrar:disabled { opacity: .6; cursor: default; }

/* ---- Clientes ---- */
.clientes { display: grid; grid-template-columns: repeat(auto-fill, minmax(340px, 1fr)); gap: 1rem; }
.cliente-card { background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 1.1rem 1.2rem; }
.cliente-head { display: flex; align-items: flex-start; justify-content: space-between; gap: .5rem; }
.cliente-nome strong { display: block; font-size: 1.05rem; }
.cliente-nome .ident { color: var(--muted); font-size: .8rem; }
.escopo { background: #eef2ff; color: var(--navy); font-size: .72rem; font-weight: 600; padding: .2rem .55rem; border-radius: 999px; }
.cliente-emitentes { font-size: .85rem; margin: .5rem 0 .9rem; }

.pacote-form { display: flex; align-items: flex-end; gap: .75rem; flex-wrap: wrap; border-top: 1px solid var(--line); padding-top: .9rem; }
.campo-grupo { display: flex; flex-direction: column; }
.campo-grupo .lbl { margin: 0 0 .25rem; }
.chk { display: flex; align-items: center; gap: .35rem; font-size: .85rem; color: var(--muted); }
.btn-baixar { margin-left: auto; background: var(--navy); color: #fff; border: 0; padding: .55rem 1rem; border-radius: 8px; font-weight: 600; cursor: pointer; }
.btn-baixar:hover { background: var(--navy-2); }
.btn-baixar:disabled { opacity: .6; cursor: default; }
.msg { margin-top: .75rem; font-size: .85rem; color: var(--ok); }

/* ---- Alerts ---- */
.alert-erro { background: var(--danger-bg); color: var(--danger); border: 1px solid #fecaca; padding: .6rem .8rem; border-radius: 8px; font-size: .88rem; margin-bottom: .5rem; }
.loading { padding: 2rem; text-align: center; color: var(--muted); }

/* Aviso de erro não tratado do Blazor (MainLayout). */
#blazor-error-ui {
    background: lightyellow;
    bottom: 0;
    box-shadow: 0 -1px 2px rgba(0, 0, 0, 0.2);
    box-sizing: border-box;
    display: none;
    left: 0;
    padding: 0.6rem 1.25rem 0.7rem 1.25rem;
    position: fixed;
    width: 100%;
    z-index: 1000;
}
#blazor-error-ui .dismiss { cursor: pointer; position: absolute; right: 0.75rem; top: 0.5rem; }