@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;600;700&display=swap');

:root {
    --bg-gradient: linear-gradient(135deg, #0f2027, #203a43, #2c5364);
    --card-bg: rgba(255, 255, 255, 0.05);
    --card-border: rgba(255, 255, 255, 0.1);
    --text-primary: #ffffff;
    --text-secondary: #a0aec0;
    --accent: #00d2ff;
    --accent-secondary: #3a7bd5;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', sans-serif;
}

body {
    background: var(--bg-gradient);
    color: var(--text-primary);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

header {
    padding: 2rem 5%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--card-border);
    background: rgba(0, 0, 0, 0.2);
    backdrop-filter: blur(10px);
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo i {
    color: var(--accent);
}

.container {
    flex: 1;
    padding: 2rem 5%;
    max-width: 1400px;
    margin: 0 auto;
    width: 100%;
}

.dashboard-title {
    margin-bottom: 2rem;
    font-size: 2rem;
    font-weight: 600;
}

.kpi-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 3rem;
}

.kpi-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 16px;
    padding: 1.5rem;
    backdrop-filter: blur(12px);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    position: relative;
    overflow: hidden;
}

.kpi-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--accent), var(--accent-secondary));
    opacity: 0;
    transition: opacity 0.3s ease;
}

.kpi-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

.kpi-card:hover::before {
    opacity: 1;
}

.kpi-icon {
    font-size: 2rem;
    color: var(--accent);
    margin-bottom: 1rem;
}

.kpi-title {
    font-size: 0.9rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 0.5rem;
}

.kpi-value {
    font-size: 2.5rem;
    font-weight: 700;
}

.kpi-unit {
    font-size: 1rem;
    color: var(--text-secondary);
    font-weight: 400;
}

.charts-section {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 1.5rem;
}

.chart-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 16px;
    padding: 1.5rem;
    backdrop-filter: blur(12px);
}

.chart-header {
    margin-bottom: 1.5rem;
    font-size: 1.2rem;
    font-weight: 600;
}

@media (max-width: 992px) {
    .charts-section {
        grid-template-columns: 1fr;
    }
}

/* ============================================================
   Gestão de hidrômetros: tabela, status, formulários e botões
   ============================================================ */

.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 2rem;
}

.nav-back {
    color: var(--text-secondary);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.05rem;
    transition: color 0.3s;
}

.nav-back:hover {
    color: var(--text-primary);
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.7rem 1.4rem;
    border-radius: 50px;
    border: 1px solid var(--card-border);
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-primary);
    font-size: 0.95rem;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.3s;
}

.btn:hover {
    background: rgba(255, 255, 255, 0.12);
}

.btn-primary {
    background: linear-gradient(90deg, var(--accent), var(--accent-secondary));
    border-color: transparent;
    color: #06202b;
}

.btn-primary:hover {
    filter: brightness(1.1);
    background: linear-gradient(90deg, var(--accent), var(--accent-secondary));
}

.btn:disabled,
.btn[disabled] {
    opacity: 0.5;
    cursor: not-allowed;
    filter: none;
}

.btn-danger {
    color: #ff8f8f;
    border-color: rgba(229, 62, 62, 0.4);
}

.btn-danger:hover {
    background: rgba(229, 62, 62, 0.15);
}

.btn-sm {
    padding: 0.4rem 0.8rem;
    font-size: 0.85rem;
    border-radius: 8px;
}

.panel {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 16px;
    padding: 1.5rem;
    backdrop-filter: blur(12px);
    margin-bottom: 1.5rem;
}

.table-wrapper {
    overflow-x: auto;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    min-width: 900px;
}

.data-table th {
    text-align: left;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-secondary);
    font-weight: 600;
    padding: 0.9rem 1rem;
    border-bottom: 1px solid var(--card-border);
    white-space: nowrap;
}

.data-table td {
    padding: 1rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    font-size: 0.95rem;
    vertical-align: middle;
}

.data-table tbody tr:hover {
    background: rgba(255, 255, 255, 0.03);
}

.data-table .col-actions {
    text-align: right;
    white-space: nowrap;
}

.cell-title {
    font-weight: 600;
}

.cell-sub {
    display: block;
    font-size: 0.82rem;
    color: var(--text-secondary);
    margin-top: 2px;
}

.status-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    padding: 0.35rem 0.85rem;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    white-space: nowrap;
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    flex-shrink: 0;
}

.status-dot.pulsing {
    animation: pulse-dot 1.8s infinite;
}

@keyframes pulse-dot {
    0% { box-shadow: 0 0 0 0 rgba(76, 209, 55, 0.5); }
    70% { box-shadow: 0 0 0 8px rgba(76, 209, 55, 0); }
    100% { box-shadow: 0 0 0 0 rgba(76, 209, 55, 0); }
}

.alert {
    padding: 1rem 1.25rem;
    border-radius: 12px;
    margin-bottom: 1.5rem;
    border: 1px solid;
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
}

.alert-success {
    background: rgba(76, 209, 55, 0.12);
    border-color: rgba(76, 209, 55, 0.35);
    color: #b6f5b0;
}

.alert-error {
    background: rgba(229, 62, 62, 0.12);
    border-color: rgba(229, 62, 62, 0.35);
    color: #ffb3b3;
}

.alert ul {
    margin: 0;
    padding-left: 1.1rem;
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1.25rem;
}

.form-field {
    display: flex;
    flex-direction: column;
    gap: 0.45rem;
}

.form-field.full {
    grid-column: 1 / -1;
}

.form-field label {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-secondary);
    font-weight: 600;
}

.form-field input[type="text"],
.form-field input[type="number"],
.form-field input[type="password"],
.form-field textarea {
    background: rgba(0, 0, 0, 0.25);
    border: 1px solid var(--card-border);
    border-radius: 10px;
    padding: 0.8rem 1rem;
    color: var(--text-primary);
    font-size: 1rem;
    width: 100%;
}

.form-field input:focus,
.form-field textarea:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(0, 210, 255, 0.15);
}

.form-field .hint {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

/* Valor fixo, exibido no lugar de um campo editável */
.form-static {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(255, 255, 255, 0.03);
    border: 1px dashed var(--card-border);
    border-radius: 10px;
    padding: 0.8rem 1rem;
    color: var(--text-secondary);
    font-size: 1rem;
}

.form-static i {
    color: var(--accent);
}

.form-field label.form-check,
.form-check {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    font-size: 0.95rem;
    font-weight: 400;
    text-transform: none;
    letter-spacing: normal;
    color: var(--text-primary);
    cursor: pointer;
}

.form-check input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--accent);
    cursor: pointer;
}

.form-actions {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
    flex-wrap: wrap;
}

.search-bar {
    display: flex;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}

.search-bar input[type="text"] {
    flex: 1;
    min-width: 220px;
    background: rgba(0, 0, 0, 0.25);
    border: 1px solid var(--card-border);
    border-radius: 50px;
    padding: 0.7rem 1.2rem;
    color: var(--text-primary);
    font-size: 0.95rem;
}

.empty-state {
    text-align: center;
    padding: 3rem 1rem;
    color: var(--text-secondary);
}

.empty-state i {
    font-size: 3rem;
    color: rgba(255, 255, 255, 0.15);
    margin-bottom: 1rem;
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 1.25rem;
}

.info-item .info-label {
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-secondary);
    margin-bottom: 0.35rem;
}

.info-item .info-value {
    font-size: 1.4rem;
    font-weight: 600;
}

.info-item .info-value small {
    font-size: 0.9rem;
    color: var(--text-secondary);
    font-weight: 400;
}

.nav-links {
    display: flex;
    gap: 1.5rem;
    align-items: center;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    transition: color 0.3s;
}

.nav-links a:hover {
    color: var(--accent);
}

/* ============================================================
   Navegação por período e seleção de hidrômetros
   ============================================================ */

.period-nav {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.period-btn {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid var(--card-border);
    color: var(--text-primary);
    text-decoration: none;
    transition: all 0.3s;
    flex-shrink: 0;
}

.period-btn:hover {
    background: rgba(0, 210, 255, 0.18);
    color: var(--accent);
}

.period-btn.disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

.period-btn.disabled:hover {
    background: rgba(255, 255, 255, 0.06);
    color: var(--text-primary);
}

.period-label {
    text-align: center;
    min-width: 200px;
}

.period-label .period-title {
    display: block;
    font-size: 1.35rem;
    font-weight: 600;
}

.period-label .period-sub {
    display: block;
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-top: 0.2rem;
}

.seletor-hidrometros {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.seletor-cabecalho {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    flex-wrap: wrap;
    padding-bottom: 0.9rem;
    border-bottom: 1px solid var(--card-border);
}

.seletor-titulo {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-secondary);
    font-weight: 600;
}

.seletor-lista {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.chip-check {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--card-border);
    border-radius: 12px;
    padding: 0.6rem 1rem;
    transition: border-color 0.3s, background 0.3s;
}

.chip-check:hover {
    background: rgba(255, 255, 255, 0.08);
}

.chip-check:has(input:checked) {
    border-color: rgba(0, 210, 255, 0.5);
    background: rgba(0, 210, 255, 0.1);
}

.chip-check small {
    display: block;
    color: var(--text-secondary);
    font-size: 0.78rem;
    font-weight: 400;
}

.seletor-hidrometros .btn {
    align-self: flex-start;
}

.total-row {
    font-weight: 700;
    background: rgba(0, 210, 255, 0.07);
}

.total-row td {
    border-top: 2px solid rgba(0, 210, 255, 0.35);
}

.user-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.45rem 0.9rem;
    border-radius: 50px;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid var(--card-border);
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 600;
}

.user-badge a {
    color: var(--text-secondary);
    padding-left: 0.6rem;
    border-left: 1px solid var(--card-border);
    transition: color 0.3s;
}

.user-badge a:hover {
    color: #ff8f8f;
}

@media (max-width: 768px) {
    header {
        padding: 1.5rem 5%;
    }

    .nav-links {
        gap: 1rem;
    }
}