:root {
    /* Base Colors - Premium Light / Off-White */
    --color-bg: #F4F6F8;
    --navbar-h: 65px; /* Altura fixa da navbar para compensação */
    --color-card: #FFFFFF;
    --color-card-hover: #FAFBFC;
    --color-border: #E2E8F0;
    
    /* Text Colors */
    --color-text: #1E293B;
    --color-text-muted: #64748B;
    
    /* Accents - Vineyard Emerald & Sophisticated Greens */
    --color-primary: #0F766E; /* Teal/Forest Green */
    --color-primary-dim: rgba(15, 118, 110, 0.08);
    
    /* Utilities */
    --color-danger: #E11D48;
    --color-danger-dim: rgba(225, 29, 72, 0.08);
    --color-warning: #D97706;
    --color-warning-dim: rgba(217, 119, 6, 0.08);
    --color-success: #16A34A;
    --color-info: #0284C7;
    --color-glass-border: rgba(0, 0, 0, 0.05);

    /* Typography */
    --font-base: 'Inter', system-ui, sans-serif;
    --font-display: 'Playfair Display', serif;
    
    /* Layout */
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --shadow-soft: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
    --shadow-hover: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.05);
}

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

body {
    background-color: var(--color-bg);
    color: var(--color-text);
    font-family: var(--font-base);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    min-height: 100vh;
}

h1, h2, h3, h4 { font-family: var(--font-base); font-weight: 600; color: var(--color-text); }
h1 { font-family: var(--font-display); font-weight: 700; letter-spacing: -0.5px; }
.text-gradient {
    background: linear-gradient(135deg, var(--color-primary) 0%, #115E59 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}
.muted { color: var(--color-text-muted); }

/* ── Top Navbar ── */
.top-navbar {
    background: rgba(255, 255, 255, 1); /* Sólido para evitar o bug de touch do iOS WebKit */
    border-bottom: 1px solid var(--color-border);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 2147483647;
    height: var(--navbar-h);
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 15px;
    -webkit-touch-callout: none;
}

/* Compensa a navbar fixed empurrando o conteúdo para baixo */
body > nav.top-navbar + * {
    padding-top: var(--navbar-h);
}

/* Fallback: classe manual */
.page-offset {
    padding-top: var(--navbar-h);
}

@media (max-width: 800px) {
    :root { --navbar-h: 58px; }
    .top-navbar { padding: 0 1rem; }
    .nav-links { display: none; } /* colapsa links, mantém ações visíveis */
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 12px;
}

.nav-links {
    display: flex;
    gap: 20px;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    border-radius: 20px;
    color: var(--color-text-muted);
    font-weight: 500;
    font-size: 0.95rem;
    text-decoration: none;
    transition: all 0.2s ease;
}

.nav-link:hover {
    color: var(--color-text);
    background: var(--color-card-hover);
}

.nav-link.active {
    background: var(--color-primary-dim);
    color: var(--color-primary);
}

.nav-actions {
    display: flex;
    gap: 12px;
    align-items: center;
}

/* ── Ecowitt Status Banner ── */
.ecowitt-banner {
    background: var(--color-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 15px 25px;
    margin-bottom: 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: var(--shadow-soft);
}

.eco-banner-status {
    display: flex;
    align-items: center;
    gap: 15px;
}

.status-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    display: inline-block;
}
.status-dot.online { background: var(--color-success); box-shadow: 0 0 10px rgba(22, 163, 74, 0.5); }
.status-dot.offline { background: var(--color-danger); box-shadow: 0 0 10px rgba(225, 29, 72, 0.5); }

/* ── Main Layout ── */
.app-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 2rem;
}

/* ── Grid System ── */
.main-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 1.5rem;
}
.wide-section { grid-column: 1 / -1; }

/* ── Glass Cards (Premium Solid White) ── */
.glass-card {
    background: var(--color-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 1.8rem;
    box-shadow: var(--shadow-soft);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.glass-card:hover {
    box-shadow: var(--shadow-hover);
}

/* ── Inputs & Buttons ── */
.input-glass {
    background: #F8FAFC;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    color: var(--color-text);
    padding: 10px 15px;
    font-family: inherit;
    outline: none;
    transition: all 0.2s;
}
.input-glass:focus {
    border-color: var(--color-primary);
    background: #FFF;
    box-shadow: 0 0 0 3px var(--color-primary-dim);
}

.btn-primary {
    background: var(--color-primary);
    color: #FFF;
    border: none;
    padding: 10px 20px;
    border-radius: var(--radius-sm);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}
.btn-primary:hover { background: #0D9488; }

.btn-outline {
    background: transparent;
    color: var(--color-text);
    border: 1px solid var(--color-border);
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}
.btn-outline:hover { background: #F1F5F9; }

/* ── Metrics Widgets (Top Row) ── */
.metrics-row {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 2rem;
    overflow-x: auto;
    padding-bottom: 10px;
}

.metric-widget {
    background: var(--color-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 1.2rem;
    display: flex;
    align-items: center;
    gap: 15px;
    min-width: 220px;
    flex: 1;
    box-shadow: var(--shadow-soft);
}

.metric-icon {
    width: 45px;
    height: 45px;
    border-radius: 12px;
    background: var(--color-primary-dim);
    color: var(--color-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

/* ── Eco Box (Hardware Data) ── */
.ecowitt-box {
    background: #F8FAFC;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    padding: 15px;
    margin-bottom: 15px;
}
.eco-title { font-weight: 600; margin-bottom: 10px; display:flex; align-items:center; gap:8px; color: var(--color-text); }
.eco-line { display: flex; justify-content: space-between; margin-bottom: 5px; font-size: 0.9rem; border-bottom: 1px solid var(--color-border); padding-bottom: 4px; }
.eco-label { color: var(--color-text-muted); }
.eco-val { font-weight: 600; color: var(--color-text); }

/* ── Planning List ── */
.planning-list { display: flex; flex-direction: column; gap: 10px; }
.planning-item {
    display: flex; align-items: center; justify-content: space-between;
    padding: 12px 15px; background: #F8FAFC; border-radius: var(--radius-sm);
    border: 1px solid var(--color-border);
}
.planning-day { display: flex; align-items: center; gap: 12px; }
.day-icon {
    width: 35px; height: 35px; border-radius: 50%; background: #FFF;
    display: flex; align-items: center; justify-content: center; font-size: 1.2rem;
    color: var(--color-primary); box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}
.day-name { font-weight: 600; font-size: 0.9rem; text-transform: capitalize; color: var(--color-text); }
.day-num { font-size: 0.8rem; color: var(--color-text-muted); }

.planning-metrics { display: flex; gap: 15px; text-align: right; }
.pm-col { display: flex; flex-direction: column; }
.pm-label { font-size: 0.7rem; text-transform: uppercase; color: var(--color-text-muted); }
.pm-value { font-weight: 600; font-size: 0.85rem; color: var(--color-text); }

/* ── Diseases ── */
.disease-row {
    border-left: 4px solid var(--color-danger);
    padding: 12px 15px;
    background: var(--color-card);
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    margin-bottom: 8px;
    display: flex; justify-content: space-between; align-items: center;
    font-size: 0.85rem;
    border: 1px solid var(--color-border);
    border-left-width: 4px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.02);
}
.badge {
    padding: 4px 8px; border-radius: 4px; font-size: 0.65rem; font-weight: 600; text-transform: uppercase;
}
.badge-danger { background: var(--color-danger-dim); color: var(--color-danger); }
.badge-warning { background: var(--color-warning-dim); color: var(--color-warning); }

/* ── Status Colors ── */
.status-danger { color: var(--color-danger); }
.status-warning { color: var(--color-warning); }
.status-success { color: var(--color-success); }
.status-info { color: var(--color-info); }

/* ── Calendar Overrides (Light Theme) ── */
.fc-theme-standard td, .fc-theme-standard th { border-color: var(--color-border) !important; }
.fc-day-today { background: #F0FDF4 !important; }
.fc-col-header-cell { background: #F8FAFC; padding: 12px 0; font-weight: 600; font-size: 0.85rem; color: var(--color-text-muted); }
.fc .fc-toolbar-title { font-size: 1.2em; font-weight: 700; color: var(--color-text); font-family: var(--font-display); }
.fc-event { border: none !important; border-radius: 4px; padding: 4px 8px; font-size: 0.75rem; font-weight: 500; margin-bottom: 2px; color: #FFF !important; }
.fc-daygrid-day-number { color: var(--color-text) !important; font-weight: 500; padding: 8px !important; }

/* ── Login / Auth ── */
.login-container {
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    background: var(--color-bg);
}
.login-card {
    background: var(--color-card);
    padding: 3rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-hover);
    width: 100%;
    max-width: 420px;
    text-align: center;
    border: 1px solid var(--color-border);
}