:root {
    --azul: #3f7fff;
    --azul-escuro: #1d4ed8;
    --ciano: #22d3ee;
    --chumbo: #0b0f14;
    --chumbo-claro: #161b22;
    --cinza: #6c757d;
    --cinza-claro: #f1f3f5;
    --branco: #ffffff;
    --sucesso: #198754;
    --alerta: #ffc107;
    --perigo: #dc3545;
}

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

body {
    font-family: 'Segoe UI', Arial, sans-serif;
    background: var(--cinza-claro);
    color: var(--chumbo);
}

/* ---------- TELA DE LOGIN ---------- */
.login-wrapper {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--chumbo) 0%, var(--azul-escuro) 55%, var(--ciano) 100%);
    padding: 20px;
}

.login-card {
    background: var(--branco);
    border-radius: 14px;
    width: 100%;
    max-width: 400px;
    padding: 40px 34px;
    box-shadow: 0 20px 50px rgba(0,0,0,0.45);
    text-align: center;
    border-top: 4px solid var(--ciano);
}

.login-card img.logo {
    max-width: 180px;
    max-height: 100px;
    margin-bottom: 18px;
    object-fit: contain;
}

.login-card h1 {
    font-size: 20px;
    color: var(--chumbo);
    margin-bottom: 4px;
}

.login-card p.subtitulo {
    color: var(--cinza);
    font-size: 13px;
    margin-bottom: 24px;
}

.login-card input {
    width: 100%;
    padding: 12px 14px;
    margin-bottom: 14px;
    border: 1px solid #dcdfe4;
    border-radius: 8px;
    font-size: 14px;
}

.login-card input:focus {
    outline: none;
    border-color: var(--azul);
}

.btn {
    display: inline-block;
    border: none;
    border-radius: 8px;
    padding: 12px 20px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    text-align: center;
    transition: opacity .15s ease;
}
.btn:hover { opacity: .88; }

.btn-primario {
    width: 100%;
    background: linear-gradient(135deg, var(--azul) 0%, var(--ciano) 100%);
    color: #fff;
}

.btn-secundario { background: var(--cinza-claro); color: var(--chumbo); }
.btn-sucesso { background: var(--sucesso); color: #fff; }
.btn-perigo { background: var(--perigo); color: #fff; }
.btn-sm { padding: 7px 12px; font-size: 12px; }

.erro-msg {
    background: #fdeeee;
    color: var(--perigo);
    padding: 10px 14px;
    border-radius: 8px;
    font-size: 13px;
    margin-bottom: 16px;
    text-align: left;
}

.login-links { margin-top: 18px; font-size: 13px; }
.login-links a { color: var(--azul); text-decoration: none; }

/* ---------- LAYOUT INTERNO (painel) ---------- */
.topbar {
    background: linear-gradient(90deg, var(--chumbo) 0%, var(--chumbo-claro) 100%);
    color: #fff;
    padding: 14px 26px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    box-shadow: 0 2px 8px rgba(0,0,0,0.15);
    border-bottom: 2px solid var(--ciano);
}

.topbar .brand { display: flex; align-items: center; gap: 12px; }
.topbar .brand img { max-height: 38px; }
.topbar .brand span { font-weight: 600; font-size: 16px; }

.topbar nav a {
    color: #d8dce3;
    text-decoration: none;
    margin-left: 22px;
    font-size: 14px;
}
.topbar nav a:hover, .topbar nav a.ativo { color: var(--ciano); font-weight: 600; }

.container {
    max-width: 1100px;
    margin: 30px auto;
    padding: 0 20px;
}

.card {
    background: #fff;
    border-radius: 12px;
    padding: 24px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.06);
    margin-bottom: 24px;
}

.card h2 {
    font-size: 17px;
    color: var(--chumbo);
    margin-bottom: 18px;
    border-left: 4px solid var(--azul);
    padding-left: 10px;
}

.form-grupo { margin-bottom: 16px; }
.form-grupo label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: var(--chumbo);
    margin-bottom: 6px;
}
.form-grupo input, .form-grupo select, .form-grupo textarea {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid #dcdfe4;
    border-radius: 8px;
    font-size: 14px;
    font-family: inherit;
}
.form-grupo input:focus, .form-grupo select:focus, .form-grupo textarea:focus {
    outline: none;
    border-color: var(--azul);
}
.form-row { display: flex; gap: 16px; flex-wrap: wrap; }
.form-row .form-grupo { flex: 1; min-width: 200px; }

table { width: 100%; border-collapse: collapse; font-size: 14px; }
thead th {
    text-align: left;
    background: var(--cinza-claro);
    padding: 10px 12px;
    font-size: 12px;
    text-transform: uppercase;
    color: var(--cinza);
}
tbody td { padding: 12px; border-bottom: 1px solid #eef0f2; }
tbody tr:hover { background: #fafbfc; }

.badge {
    display: inline-block;
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
}
.badge-aberto { background: #e7f1ff; color: #0d6efd; }
.badge-pendente { background: #fff8e1; color: #b8860b; }
.badge-andamento { background: #e6f4ea; color: #198754; }
.badge-concluido { background: #eaeaea; color: #495057; }

.timeline { list-style: none; margin-top: 10px; }
.timeline li {
    padding: 10px 0 10px 20px;
    border-left: 2px solid #dcdfe4;
    position: relative;
    font-size: 13px;
}
.timeline li::before {
    content: '';
    position: absolute;
    left: -6px; top: 14px;
    width: 10px; height: 10px;
    border-radius: 50%;
    background: var(--ciano);
}
.timeline li strong { display: block; color: var(--chumbo); }
.timeline li span.data { color: var(--cinza); font-size: 11px; }

.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}
.stat-card {
    background: #fff;
    border-radius: 12px;
    padding: 20px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.06);
    border-top: 4px solid;
    border-image: linear-gradient(90deg, var(--azul), var(--ciano)) 1;
}
.stat-card .num { font-size: 28px; font-weight: 700; color: var(--chumbo); }
.stat-card .lbl { font-size: 13px; color: var(--cinza); margin-top: 4px; }

/* ---------- ORDEM DE SERVIÇO / IMPRESSÃO ---------- */
.os-documento {
    background: #fff;
    max-width: 800px;
    margin: 30px auto;
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.08);
}
.os-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 3px solid var(--azul);
    padding-bottom: 16px;
    margin-bottom: 20px;
}
.os-header img { max-height: 60px; }
.os-header .os-titulo { text-align: right; }
.os-header .os-titulo h1 { font-size: 18px; color: var(--chumbo); }
.os-header .os-titulo p { font-size: 12px; color: var(--cinza); }

.os-info-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px 30px;
    margin-bottom: 20px;
    font-size: 13px;
}
.os-info-grid div strong { display: block; color: var(--cinza); font-size: 11px; text-transform: uppercase; }

.os-selo {
    margin-top: 30px;
    text-align: center;
    padding: 16px;
    background: #e6f4ea;
    border: 1px dashed var(--sucesso);
    border-radius: 8px;
    color: var(--sucesso);
    font-weight: 700;
}

.os-assinaturas {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    margin-top: 50px;
    text-align: center;
    font-size: 12px;
}
.os-assinaturas div { border-top: 1px solid #999; padding-top: 6px; }

@media print {
    .no-print { display: none !important; }
    body { background: #fff; }
    .os-documento { box-shadow: none; margin: 0; }
}

.alert-info {
    background: #e7f1ff;
    color: var(--azul-escuro);
    padding: 12px 16px;
    border-radius: 8px;
    font-size: 13px;
    margin-bottom: 16px;
}