/* ===== Reset & base ===== */
* { margin: 0; padding: 0; box-sizing: border-box; }
:root {
    --bg: #f4f6fb;
    --sidebar: #1e2433;
    --sidebar-hover: #2a3247;
    --accent: #4f7cff;
    --accent-2: #7c5cff;
    --text: #1c2333;
    --muted: #6b7385;
    --card: #ffffff;
    --radius: 14px;
    --ok: #22a55b;
    --err: #e5484d;
}
body {
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    background: var(--bg);
    color: var(--text);
}

/* ===== Login ===== */
.login-body {
    min-height: 100vh;
    display: flex; align-items: center; justify-content: center;
    background: linear-gradient(135deg, #1e2433 0%, #3b2f63 100%);
}
.login-card {
    background: var(--card);
    padding: 48px 42px;
    border-radius: var(--radius);
    box-shadow: 0 24px 60px rgba(0,0,0,.35);
    width: 100%; max-width: 400px;
    text-align: center;
}
.login-logo { width: 96px; height: auto; margin-bottom: 18px; }
.login-card h1 { font-size: 1.25rem; margin-bottom: 22px; color: var(--text); }
.login-card input {
    display: block; width: 100%;
    padding: 13px 14px; margin-bottom: 14px;
    border: 1px solid #d6dbe8; border-radius: 10px;
    font-size: .95rem; outline: none;
    transition: border .2s, box-shadow .2s;
}
.login-card input:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(79,124,255,.18); }
.login-card button {
    width: 100%; padding: 13px;
    background: linear-gradient(135deg, var(--accent), var(--accent-2));
    color: #fff; border: none; border-radius: 10px;
    font-size: 1rem; font-weight: 600; cursor: pointer;
    transition: filter .2s;
}
.login-card button:hover { filter: brightness(1.1); }
.alert {
    background: #fdecec; color: var(--err);
    padding: 10px 14px; border-radius: 10px; margin-bottom: 16px; font-size: .9rem;
}

/* ===== Layout ===== */
.sidebar {
    position: fixed; inset: 0 auto 0 0;
    width: 240px;
    background: var(--sidebar);
    display: flex; flex-direction: column;
    padding: 22px 0;
}
.sidebar-brand {
    display: flex; align-items: center; gap: 12px;
    padding: 0 22px 22px;
    border-bottom: 1px solid #2f3850;
    color: #fff; font-weight: 700; font-size: 1.05rem;
}
.brand-logo { width: 38px; height: 38px; object-fit: contain; border-radius: 8px; }
.sidebar nav { flex: 1; padding: 18px 0; }
.sidebar nav a {
    display: flex; align-items: center; gap: 12px;
    padding: 12px 22px; margin: 2px 10px;
    color: #aab3c8; text-decoration: none;
    border-radius: 10px; font-size: .95rem;
    transition: background .15s, color .15s;
}
.sidebar nav a:hover { background: var(--sidebar-hover); color: #fff; }
.sidebar nav a.active {
    background: linear-gradient(135deg, var(--accent), var(--accent-2));
    color: #fff; font-weight: 600;
}
.menu-icon { width: 26px; text-align: center; font-size: .85rem; }
.sidebar-footer { padding: 14px 22px; }
.sidebar-footer .logout { color: #e0848a; text-decoration: none; font-size: .9rem; }
.main {
    margin-left: 240px;
    padding: 34px 40px;
    min-height: 100vh;
}
h1 { font-size: 1.5rem; margin-bottom: 8px; }

/* ===== Cards / botões / inputs ===== */
.card {
    background: var(--card);
    border-radius: var(--radius);
    box-shadow: 0 4px 18px rgba(30,36,51,.08);
    padding: 24px; margin-top: 18px;
}
.btn {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 11px 22px; border: none; border-radius: 10px;
    font-size: .95rem; font-weight: 600; cursor: pointer;
    transition: filter .15s, transform .05s;
}
.btn:active { transform: scale(.98); }
.btn-primary { background: linear-gradient(135deg, var(--accent), var(--accent-2)); color: #fff; }
.btn-danger  { background: var(--err); color: #fff; }
.btn-ghost   { background: #e9edf6; color: var(--text); }
.btn:disabled { opacity: .5; cursor: not-allowed; }
label { font-size: .82rem; font-weight: 600; color: var(--muted); display: block; margin-bottom: 5px; }
select, textarea, input[type=text] {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid #d6dbe8; border-radius: 10px;
    font-size: .92rem; font-family: inherit;
    background: #fff; outline: none;
    transition: border .2s, box-shadow .2s;
}
select:focus, textarea:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(79,124,255,.15); }
textarea { min-height: 130px; resize: vertical; }

/* ===== Comparador ===== */
.instances { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 16px; }
.instance {
    border: 1px solid #e2e7f2; border-radius: 12px;
    padding: 16px; background: #fbfcff;
    position: relative;
}
.instance h3 { font-size: .95rem; margin-bottom: 12px; color: var(--accent-2); }
.instance .rm {
    position: absolute; top: 10px; right: 10px;
    background: none; border: none; color: var(--err);
    font-size: 1.1rem; cursor: pointer;
}
.toolbar { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; margin-top: 18px; }
.status-msg { font-size: .9rem; color: var(--muted); }
.status-msg.running { color: var(--accent); font-weight: 600; }

/* Tabela resultados */
table { width: 100%; border-collapse: collapse; margin-top: 16px; font-size: .92rem; }
th, td { padding: 12px 14px; text-align: left; border-bottom: 1px solid #eceff7; }
th { background: #f2f5fc; font-size: .8rem; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); }
tr:hover td { background: #f8faff; }
.tag-ok  { color: var(--ok); font-weight: 600; }
.tag-err { color: var(--err); font-weight: 600; }

/* Responsivo */
@media (max-width: 860px) {
    .sidebar { width: 72px; }
    .sidebar span, .sidebar-brand span { display: none; }
    .main { margin-left: 72px; padding: 20px; }
}