* { box-sizing: border-box; margin: 0; padding: 0; }
:root {
    --navy: #0f2a4a;
    --navy-soft: #1e4a76;
    --blue-100: #e8f1fb;
    --blue-200: #d3e5f7;
    --sky: #4aa3df;
    --mint: #56c9a5;
    --mint-bg: #e6f7f1;
    --amber: #f3b94e;
    --amber-bg: #fdf3e0;
    --red-soft: #f2666d;
    --red-bg: #fdecec;
    --text: #1e293b;
    --text-muted: #64748b;
    --border: #e6ebf2;
    --bg: #f2f6fb;
    --white: #ffffff;
    --shadow: 0 4px 16px rgba(15,42,74,.08);
}
body {
    font-family: 'Segoe UI', 'Inter', system-ui, sans-serif;
    background: var(--bg);
    color: var(--text);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}
a { color: var(--navy-soft); }

/* ===== Topbar ===== */
.topbar {
    background: linear-gradient(100deg, var(--navy) 0%, var(--navy-soft) 100%);
    color: var(--white);
    padding: .6rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 2px 10px rgba(15,42,74,.25);
    position: sticky;
    top: 0;
    z-index: 50;
}
.topbar .marca { display: flex; align-items: center; gap: .8rem; }
.topbar .marca img { height: 34px; width: auto; display: block; }
.topbar .marca-sep { width: 1px; height: 28px; background: rgba(255,255,255,.25); }
.topbar .marca-titulo { line-height: 1.1; }
.topbar .marca-titulo strong { font-size: 1rem; font-weight: 700; display: block; }
.topbar .marca-titulo span { font-size: .7rem; color: var(--blue-200); letter-spacing: 1.5px; text-transform: uppercase; font-weight: 600; }
nav.ms-tela { display: flex; align-items: center; gap: .2rem; flex-wrap: wrap; }
nav.ms-tela a {
    color: var(--blue-200);
    text-decoration: none;
    padding: .5rem .9rem;
    border-radius: 8px;
    font-size: .9rem;
    font-weight: 600;
    transition: background .2s, color .2s;
}
nav.ms-tela a:hover { background: rgba(255,255,255,.14); color: #fff; }
.usuario-bar { display: flex; align-items: center; gap: 1rem; border-left: 1px solid rgba(255,255,255,.2); margin-left: .5rem; padding-left: 1rem; }
.usuario-nome { font-size: .85rem; color: var(--blue-200); display: flex; align-items: center; gap: .55rem; font-weight: 500; }
.avatar {
    width: 32px; height: 32px; border-radius: 50%;
    background: linear-gradient(135deg, var(--sky), var(--mint));
    color: #fff; display: inline-flex; align-items: center; justify-content: center;
    font-weight: 700; font-size: .9rem;
}
.badge-admin {
    font-size: .62rem; background: rgba(255,255,255,.18); color: #fff;
    padding: .15rem .5rem; border-radius: 999px; font-weight: 700;
    text-transform: uppercase; letter-spacing: .5px;
}
.btn-sair {
    color: var(--blue-100); text-decoration: none; font-size: .82rem; font-weight: 600;
    padding: .4rem .85rem; border: 1px solid rgba(255,255,255,.3); border-radius: 8px; transition: background .2s;
}
.btn-sair:hover { background: rgba(255,255,255,.14); }

/* ===== Layout ===== */
.container { max-width: 1200px; margin: 2rem auto; padding: 0 1.8rem; width: 100%; flex: 1; }
footer {
    background: var(--navy); color: var(--blue-200); text-align: center; padding: 1.1rem; font-size: .8rem; margin-top: 2rem;
}
footer strong { color: #fff; }

/* ===== Flash ===== */
.flash { padding: .95rem 1.2rem; border-radius: 12px; margin-bottom: 1.3rem; font-weight: 500; display: flex; align-items: center; gap: .6rem; }
.flash.sucesso { background: var(--mint-bg); color: #1f7a5c; border: 1px solid #bfe9db; }
.flash.erro { background: var(--red-bg); color: #a63a40; border: 1px solid #f6cdcf; }

/* ===== Cards ===== */
.card {
    background: var(--white); border-radius: 16px; padding: 1.6rem; box-shadow: var(--shadow);
    margin-bottom: 1.6rem; border: 1px solid var(--border);
}
.card-titulo { display: flex; justify-content: space-between; align-items: center; margin-bottom: 1.2rem; }
.card-titulo h2 { font-size: 1.15rem; color: var(--navy); font-weight: 700; }

/* ===== Indicadores ===== */
.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); gap: 1.1rem; margin-bottom: 1.8rem; }
.stat {
    background: var(--white); border-radius: 16px; padding: 1.3rem 1.4rem; box-shadow: var(--shadow);
    border: 1px solid var(--border); border-left: 4px solid var(--sky); position: relative; overflow: hidden;
}
.stat .stat-icone { font-size: 1.4rem; position: absolute; right: 1rem; top: 1rem; opacity: .18; }
.stat .stat-valor { font-size: 1.9rem; font-weight: 800; color: var(--navy); line-height: 1.1; }
.stat .stat-label { color: var(--text-muted); font-size: .82rem; font-weight: 600; text-transform: uppercase; letter-spacing: .5px; margin-top: .2rem; }
.stat .stat-sub { color: var(--sky); font-size: .8rem; font-weight: 600; margin-top: .3rem; }
.stat.emprestado { border-left-color: var(--amber); }
.stat.emprestado .stat-valor { color: #c68a12; }
.stat.disponivel { border-left-color: var(--mint); }
.stat.disponivel .stat-valor { color: #23966f; }
.stat.km { border-left-color: var(--sky); }
.stat.uso { border-left-color: var(--red-soft); }
.stat.uso .stat-valor { color: #d04b52; }

/* ===== Tabelas ===== */
.table-wrap { overflow-x: auto; border-radius: 12px; border: 1px solid var(--border); }
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: .85rem .9rem; border-bottom: 1px solid var(--border); font-size: .9rem; }
th { background: var(--blue-100); color: var(--navy); font-size: .74rem; text-transform: uppercase; letter-spacing: .6px; font-weight: 700; }
tr:last-child td { border-bottom: none; }
tbody tr:hover td { background: #f7fafd; }
.placa {
    font-family: 'Consolas', monospace; font-weight: 700; letter-spacing: .5px;
    background: var(--navy); color: #fff; padding: .2rem .55rem; border-radius: 6px; font-size: .82rem; white-space: nowrap;
}
.placa.leve { background: var(--blue-100); color: var(--navy); }

/* ===== Badges ===== */
.badge { padding: .3rem .7rem; border-radius: 999px; font-size: .78rem; font-weight: 700; white-space: nowrap; }
.badge.disponivel { background: var(--mint-bg); color: #1f7a5c; }
.badge.emprestado { background: var(--amber-bg); color: #b07d10; }
.badge.devolvido { background: var(--blue-100); color: var(--navy-soft); }
.badge.admin-on { background: var(--navy); color: #fff; }
.badge.operador { background: var(--blue-100); color: var(--navy-soft); }
.badge.aberto { background: var(--red-bg); color: #a63a40; }
.badge.inativo { background: #eef1f5; color: #64748b; }

/* ===== Botões ===== */
.btn {
    display: inline-flex; align-items: center; gap: .4rem; padding: .55rem 1.1rem; border: none; border-radius: 10px;
    cursor: pointer; font-size: .9rem; text-decoration: none; font-weight: 600; transition: all .15s;
}
.btn:hover { transform: translateY(-1px); box-shadow: 0 4px 12px rgba(15,42,74,.15); }
.btn:active { transform: scale(.98); }
.btn-azul { background: var(--navy); color: #fff; }
.btn-soft { background: var(--blue-100); color: var(--navy); }
.btn-verde { background: var(--mint); color: #0b4a36; }
.btn-cinza { background: var(--blue-200); color: var(--navy); }
.btn-vermelho { background: var(--red-soft); color: #fff; }
.cp { display: inline-block; }

/* ===== Formulários ===== */
label { display: block; margin: .9rem 0 .35rem; font-weight: 600; font-size: .88rem; color: var(--text); }
input, select, textarea {
    width: 100%; padding: .65rem .9rem; border: 1.5px solid var(--border); border-radius: 10px; font-size: 1rem;
    transition: border .2s, box-shadow .2s; background: #fbfdff; font-family: inherit;
}
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--sky); box-shadow: 0 0 0 3px rgba(74,163,223,.15); background: #fff; }
textarea { min-height: 90px; resize: vertical; }
.checkbox { display: flex; align-items: center; gap: .55rem; margin-top: 1rem; }
.checkbox input { width: auto; }
.checkbox label { margin: 0; font-weight: 500; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0 1.5rem; }
.mt { margin-top: 1.5rem; }
.erro-campo { color: #a63a40; font-size: .82rem; margin-top: .25rem; font-weight: 600; }
.sem-dados { text-align: center; color: var(--text-muted); padding: 2.2rem 0; }
.sem-dados a { color: var(--navy-soft); font-weight: 600; }
.subtitulo { color: var(--text-muted); margin-bottom: 1rem; font-size: .92rem; }
.acoes { display: flex; gap: .5rem; flex-wrap: wrap; align-items: center; }
.linha-info { color: #475569; margin-bottom: 1rem; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 1.6rem; }
.grid-cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 1.2rem; }

/* ===== Página de login ===== */
.pagina-login {
    align-items: center; justify-content: center;
    background: linear-gradient(135deg, #f2f6fb 0%, #e8f1fb 100%);
    padding: 1rem;
}
.login-box {
    background: #fff; border-radius: 20px; width: 100%; max-width: 420px;
    padding: 2.6rem 2.4rem; box-shadow: 0 20px 60px rgba(15,42,74,.18);
    border: 1px solid #e6ebf2; margin: auto;
}
.login-box .logo-wrap { text-align: center; margin-bottom: 1.4rem; }
.login-box .logo-wrap img { height: 52px; width: auto; }
.login-box h1 { text-align: center; font-size: 1.3rem; color: var(--navy); margin-bottom: .2rem; font-weight: 800; }
.login-box .sub { text-align: center; color: var(--navy-soft); font-size: .8rem; text-transform: uppercase; letter-spacing: 2px; font-weight: 600; margin-bottom: 1.8rem; }
.login-box .btn-full { width: 100%; justify-content: center; margin-top: 1.6rem; padding: .85rem; font-size: 1rem; }
.login-box .rodape { text-align: center; margin-top: 1.8rem; font-size: .8rem; color: var(--text-muted); }
.login-box .rodape strong { color: var(--navy); }

/* ===== Página de erro ===== */
.pagina-erro { align-items: center; justify-content: center; text-align: center; padding: 2rem; }
.pagina-erro .codigo { font-size: 4rem; font-weight: 800; color: var(--navy); }
.pagina-erro p { color: var(--text-muted); margin: .6rem 0 1.4rem; }
.pagina-erro code { background: var(--blue-100); padding: .15rem .5rem; border-radius: 6px; }

@media (max-width: 760px) {
    .form-grid, .grid-2 { grid-template-columns: 1fr; }
    .topbar { flex-direction: column; align-items: flex-start; gap: .5rem; }
    .topbar .marca { width: 100%; }
    nav.ms-tela { width: 100%; padding-bottom: .3rem; }
    .usuario-bar { border-left: none; margin-left: 0; padding-left: 0; padding-top: .3rem; }
}