/* =====================================================
   AeroPiauí Monitor — Folha de estilos principal
   Cores: verde escuro #1a4a2e | dourado #c9a227
   ===================================================== */

:root {
    --verde:   #1a4a2e;
    --verde2:  #236040;
    --dourado: #c9a227;
    --dourado2:#e0b830;
    --bg:      #f0f4f1;
    --card-bg: #ffffff;
    --texto:   #1e2d24;
    --cinza:   #6b7c6f;
    --borda:   #d4e0d8;

    --verde-status:    #28a745;
    --amarelo-status:  #ffc107;
    --vermelho-status: #dc3545;
    --cinza-status:    #adb5bd;

    --radius: 12px;
    --sombra: 0 2px 12px rgba(26,74,46,.10);
}

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

html { font-size: 16px; scroll-behavior: smooth; }

body {
    font-family: 'Segoe UI', system-ui, sans-serif;
    background: var(--bg);
    color: var(--texto);
    min-height: 100vh;
}

/* ---- Cabeçalho ---- */
header {
    background: var(--verde);
    color: #fff;
    padding: 0 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 8px rgba(0,0,0,.25);
}

header .logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.15rem;
    font-weight: 700;
    letter-spacing: .5px;
}

header .logo span { color: var(--dourado); }

header .logo img {
    height: 42px;
    width: auto;
    display: block;
}

.header-titulo {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    font-size: 1.6rem;
    font-weight: 900;
    letter-spacing: 4px;
    color: #fff;
    text-transform: uppercase;
    pointer-events: none;
}

header nav a {
    color: rgba(255,255,255,.82);
    text-decoration: none;
    margin-left: 18px;
    font-size: .9rem;
    transition: color .2s;
}
header nav a:hover,
header nav a.ativo { color: var(--dourado); }

/* ---- Layout principal ---- */
main { max-width: 1200px; margin: 0 auto; padding: 24px 16px 48px; }

/* ---- Barra de status global ---- */
#barra-status {
    display: flex;
    align-items: center;
    gap: 10px;
    background: var(--verde2);
    color: #fff;
    padding: 8px 16px;
    border-radius: var(--radius);
    margin-bottom: 24px;
    font-size: .88rem;
}
#barra-status .dot {
    width: 10px; height: 10px;
    border-radius: 50%;
    background: var(--verde-status);
    flex-shrink: 0;
    animation: pulsar 2s infinite;
}
#barra-status .dot.erro { background: var(--vermelho-status); animation: none; }
@keyframes pulsar {
    0%,100% { opacity: 1; } 50% { opacity: .4; }
}
#ultimo-update { margin-left: auto; opacity: .75; }

/* ---- Grid de cards ---- */
.grid-cards {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 16px;
    margin-bottom: 28px;
}

.card {
    background: var(--card-bg);
    border-radius: var(--radius);
    padding: 18px 20px;
    box-shadow: var(--sombra);
    border-left: 5px solid var(--borda);
    transition: transform .15s, box-shadow .15s;
    position: relative;
}
.card:hover { transform: translateY(-2px); box-shadow: 0 6px 20px rgba(26,74,46,.14); }

.card.normal  { border-left-color: var(--verde-status); }
.card.atencao { border-left-color: var(--amarelo-status); }
.card.critico { border-left-color: var(--vermelho-status); }
.card.offline { border-left-color: var(--cinza-status); opacity: .7; }

.card .titulo-card {
    font-size: .8rem;
    text-transform: uppercase;
    letter-spacing: .6px;
    color: var(--cinza);
    margin-bottom: 4px;
}
.card .valor-card {
    font-size: 2rem;
    font-weight: 700;
    color: var(--texto);
    line-height: 1.1;
}
.card .unidade-card {
    font-size: .85rem;
    color: var(--cinza);
    margin-top: 2px;
}
.card .badge-status {
    position: absolute;
    top: 14px; right: 14px;
    font-size: .7rem;
    font-weight: 600;
    padding: 2px 8px;
    border-radius: 20px;
    text-transform: uppercase;
}
.badge-status.normal  { background: #d4edda; color: #155724; }
.badge-status.atencao { background: #fff3cd; color: #856404; }
.badge-status.critico { background: #f8d7da; color: #721c24; }
.badge-status.offline { background: #e2e3e5; color: #383d41; }

/* ---- Grid de tanques (container) ---- */
#container-dispositivos {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(270px, 1fr));
    gap: 20px;
    margin-bottom: 28px;
}

/* Card compacto por tanque */
.card-tanque {
    background: var(--card-bg);
    border-radius: var(--radius);
    box-shadow: var(--sombra);
    border-top: 4px solid var(--borda);
    transition: transform .15s, box-shadow .15s;
    display: flex;
    flex-direction: column;
    overflow: visible;
}
.card-tanque:hover { transform: translateY(-3px); box-shadow: 0 6px 20px rgba(26,74,46,.16); }
.card-tanque.normal  { border-top-color: var(--verde-status); }
.card-tanque.atencao { border-top-color: var(--amarelo-status); }
.card-tanque.critico { border-top-color: var(--vermelho-status); }
.card-tanque.offline { border-top-color: var(--cinza-status); opacity: .75; }

.ct-header {
    padding: 12px 14px 8px;
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 8px;
}
.ct-header .ct-nome { font-size: .97rem; font-weight: 700; color: var(--texto); }
.ct-header .ct-local { font-size: .74rem; color: var(--cinza); display: block; margin-top: 2px; }

.ct-metricas {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1px;
    background: var(--borda);
    border-top: 1px solid var(--borda);
    flex: 1;
}
.ct-metrica {
    background: var(--card-bg);
    padding: 10px 12px;
    text-align: center;
}
.ct-metrica.alerta { background: #fff5f5; }
.ct-label { font-size: .68rem; text-transform: uppercase; letter-spacing: .5px; color: var(--cinza); margin-bottom: 3px; }
.ct-valor { font-size: 1.45rem; font-weight: 700; color: var(--texto); line-height: 1.1; }
.ct-metrica.alerta .ct-valor { color: var(--vermelho-status); }
.ct-unid  { font-size: .7rem; color: var(--cinza); margin-top: 1px; }

.ct-footer {
    padding: 8px 12px;
    border-top: 1px solid var(--borda);
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 6px;
    font-size: .75rem;
    color: var(--cinza);
}
.ct-motor { padding: 2px 9px; border-radius: 12px; font-weight: 600; font-size: .75rem; }
.ct-motor.ligado { background: #d4edda; color: #155724; }
.ct-motor.deslig { background: #f8d7da; color: #721c24; }

.ct-bat { display: flex; align-items: center; gap: 5px; }
.ct-bat-bar { width: 44px; height: 6px; background: var(--borda); border-radius: 4px; overflow: hidden; }
.ct-bat-fill { height: 100%; border-radius: 4px; background: var(--verde-status); }
.ct-bat-fill.baixa   { background: var(--amarelo-status); }
.ct-bat-fill.critica { background: var(--vermelho-status); }

/* Card de reuso de água */
.reuso-card {
    padding: 10px 14px;
    font-size: .82rem;
    margin-top: 1px;
    word-break: break-word;
}

/* Barra de relatório — base do card, fundo verde */
.ct-relatorio {
    background: var(--verde);
    border-radius: 0 0 var(--radius) var(--radius);
    text-align: center;
    padding: 7px 0;
    margin-top: auto;
    width: 100%;
    display: block;
    align-self: stretch;
}
.btn-relatorio {
    color: #fff;
    font-size: .76rem;
    font-weight: 600;
    text-decoration: none;
    letter-spacing: .4px;
    opacity: .9;
}
.btn-relatorio:hover { opacity: 1; color: var(--dourado); }

/* Card de dispositivo (contêiner) — legado mantido para compatibilidade */
.card-dispositivo {
    background: var(--card-bg);
    border-radius: var(--radius);
    box-shadow: var(--sombra);
    margin-bottom: 28px;
    overflow: hidden;
}
.card-dispositivo .cabecalho-disp {
    background: var(--verde);
    color: #fff;
    padding: 14px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 8px;
}
.card-dispositivo .cabecalho-disp h2 { font-size: 1rem; }
.card-dispositivo .cabecalho-disp small {
    font-size: .8rem; opacity: .75;
}
.card-dispositivo .corpo-disp { padding: 16px; }

/* ---- Motor status ---- */
.motor-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    border-radius: 20px;
    font-weight: 600;
    font-size: .9rem;
}
.motor-badge.ligado  { background: #d4edda; color: #155724; }
.motor-badge.deslig  { background: #f8d7da; color: #721c24; }

/* ---- Bateria ---- */
.bateria-bar-wrap { display: flex; align-items: center; gap: 10px; margin-top: 4px; }
.bateria-bar {
    flex: 1; height: 10px;
    background: var(--borda);
    border-radius: 5px;
    overflow: hidden;
}
.bateria-fill {
    height: 100%;
    border-radius: 5px;
    transition: width .5s;
    background: var(--verde-status);
}
.bateria-fill.baixa    { background: var(--amarelo-status); }
.bateria-fill.critica  { background: var(--vermelho-status); }

/* ---- Seção de gráfico ---- */
.secao {
    background: var(--card-bg);
    border-radius: var(--radius);
    box-shadow: var(--sombra);
    padding: 20px;
    margin-bottom: 28px;
}
.secao h3 {
    font-size: 1rem;
    color: var(--verde);
    margin-bottom: 16px;
    border-bottom: 2px solid var(--borda);
    padding-bottom: 8px;
}

/* Selector de dispositivo para o gráfico */
.selector-grafico {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-bottom: 14px;
}
.selector-grafico button {
    padding: 5px 14px;
    border: 2px solid var(--borda);
    background: #fff;
    border-radius: 20px;
    cursor: pointer;
    font-size: .85rem;
    transition: all .2s;
}
.selector-grafico button.ativo {
    border-color: var(--dourado);
    background: var(--dourado);
    color: #fff;
    font-weight: 600;
}

#grafico-wrap { position: relative; height: 260px; }

/* ---- Tabela de alertas ---- */
.tabela-alertas { width: 100%; border-collapse: collapse; font-size: .88rem; }
.tabela-alertas th {
    background: var(--verde);
    color: #fff;
    padding: 9px 12px;
    text-align: left;
    font-weight: 600;
}
.tabela-alertas td { padding: 8px 12px; border-bottom: 1px solid var(--borda); }
.tabela-alertas tr:last-child td { border-bottom: none; }
.tabela-alertas tr:hover td { background: #f8fbf9; }

.tag-tipo {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 12px;
    font-size: .75rem;
    font-weight: 600;
    text-transform: uppercase;
}
.tag-tipo.critico { background: #f8d7da; color: #721c24; }
.tag-tipo.urgente { background: #fff3cd; color: #856404; }
.tag-tipo.atencao { background: #d4edda; color: #155724; }

/* ---- Overflow tabela mobile ---- */
.tabela-wrap { overflow-x: auto; }

/* ===================== ADMIN ===================== */
.form-grupo { margin-bottom: 18px; }
.form-grupo label {
    display: block;
    font-size: .85rem;
    font-weight: 600;
    color: var(--verde);
    margin-bottom: 5px;
}
.form-grupo input,
.form-grupo select,
.form-grupo textarea {
    width: 100%;
    padding: 9px 12px;
    border: 1.5px solid var(--borda);
    border-radius: 8px;
    font-size: .95rem;
    outline: none;
    transition: border-color .2s;
    background: #fff;
}
.form-grupo input:focus,
.form-grupo select:focus,
.form-grupo textarea:focus { border-color: var(--dourado); }

.btn {
    display: inline-block;
    padding: 10px 22px;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: .95rem;
    font-weight: 600;
    transition: background .2s, transform .1s;
}
.btn:active { transform: scale(.97); }
.btn-primario  { background: var(--verde);   color: #fff; }
.btn-primario:hover  { background: var(--verde2); }
.btn-dourado   { background: var(--dourado); color: #fff; }
.btn-dourado:hover   { background: var(--dourado2); }
.btn-perigo    { background: #dc3545; color: #fff; }
.btn-perigo:hover    { background: #c82333; }
.btn-sm { padding: 5px 12px; font-size: .82rem; }

.aviso-admin {
    padding: 12px 16px;
    border-radius: 8px;
    margin-bottom: 18px;
    font-size: .9rem;
}
.aviso-admin.sucesso { background: #d4edda; color: #155724; border: 1px solid #c3e6cb; }
.aviso-admin.erro    { background: #f8d7da; color: #721c24; border: 1px solid #f5c6cb; }

.abas { display: flex; gap: 0; border-bottom: 2px solid var(--borda); margin-bottom: 24px; flex-wrap: wrap; }
.abas button {
    padding: 10px 20px;
    border: none;
    background: none;
    cursor: pointer;
    font-size: .93rem;
    color: var(--cinza);
    border-bottom: 3px solid transparent;
    margin-bottom: -2px;
    transition: color .2s, border-color .2s;
}
.abas button.ativa { color: var(--verde); border-bottom-color: var(--verde); font-weight: 600; }

.painel-aba { display: none; }
.painel-aba.visivel { display: block; }

/* Grid admin */
.admin-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}
@media (max-width: 680px) {
    .admin-grid { grid-template-columns: 1fr; }
}

/* ---- Login ---- */
.form-login {
    max-width: 380px;
    margin: 80px auto;
    background: var(--card-bg);
    border-radius: var(--radius);
    box-shadow: var(--sombra);
    padding: 32px;
}
.form-login h1 {
    color: var(--verde);
    font-size: 1.3rem;
    margin-bottom: 22px;
    text-align: center;
}

/* ---- Footer ---- */
footer {
    text-align: center;
    padding: 18px;
    font-size: .8rem;
    color: var(--cinza);
    border-top: 1px solid var(--borda);
    margin-top: 20px;
}
footer strong { color: var(--verde); }

/* ---- Responsividade ---- */
@media (max-width: 768px) {
    #container-dispositivos {
        grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    }
}
@media (max-width: 640px) {
    /* Header mobile: 2 linhas */
    header {
        height: auto;
        flex-wrap: wrap;
        padding: 8px 14px 6px;
        gap: 0;
        position: sticky;
        top: 0;
    }
    header .logo { flex: 1; }
    header .logo img { height: 34px; }
    /* MONITOR some no mobile — logo já identifica */
    .header-titulo { display: none; }
    /* Nav vira segunda linha, ocupa largura total */
    header nav {
        width: 100%;
        display: flex;
        align-items: center;
        justify-content: flex-end;
        flex-wrap: wrap;
        gap: 4px;
        padding: 4px 0 6px;
        border-top: 1px solid rgba(255,255,255,.15);
        margin-top: 4px;
    }
    header nav a {
        margin-left: 0;
        font-size: .78rem;
        padding: 4px 8px;
        background: rgba(255,255,255,.12);
        border-radius: 6px;
    }
    header nav span {
        font-size: .78rem;
        opacity: .75;
        flex: 1;
    }
    header nav button {
        font-size: .78rem !important;
        padding: 4px 12px !important;
    }
    /* Cards */
    #container-dispositivos { grid-template-columns: 1fr 1fr; }
    .grid-cards { grid-template-columns: 1fr 1fr; }
    .card .valor-card { font-size: 1.5rem; }
    #grafico-wrap { height: 200px; }
    .tabela-alertas { font-size: .78rem; }
    .tabela-alertas th, .tabela-alertas td { padding: 6px 8px; }
}
@media (max-width: 440px) {
    #container-dispositivos { grid-template-columns: 1fr; }
    .grid-cards { grid-template-columns: 1fr; }
    /* Barra de status empilha no mobile pequeno */
    #barra-status { flex-wrap: wrap; gap: 4px; font-size: .78rem; }
}