:root {
    --bg: #0a0f0c;
    --bg-2: #121a14;
    --lime: #a3e635;
    --lime-dim: #84cc16;
    --text: #f4f7f2;
    --muted: #a8b5a4;
    --danger: #f87171;
    --border: rgba(163, 230, 53, 0.18);
    --panel: rgba(18, 26, 20, 0.88);
    --font: "Outfit", system-ui, sans-serif;
}

* { box-sizing: border-box; }

html, body {
    margin: 0;
    min-height: 100%;
    font-family: var(--font);
    background: var(--bg);
    color: var(--text);
}

body {
    position: relative;
    overflow-x: hidden;
}

.bg-glow {
    position: fixed;
    inset: 0;
    pointer-events: none;
    background:
        radial-gradient(ellipse 70% 45% at 50% -10%, rgba(163, 230, 53, 0.16), transparent 60%),
        radial-gradient(ellipse 50% 40% at 100% 100%, rgba(34, 84, 40, 0.35), transparent 55%),
        linear-gradient(180deg, #0a0f0c 0%, #0d1610 100%);
    z-index: -1;
}

.login-page {
    width: min(22rem, calc(100% - 2rem));
    margin: 0 auto;
    padding: 2.5rem 0 3rem;
}

.dash-page {
    width: min(1280px, calc(100% - 2.5rem));
    margin: 0 auto;
    padding: 2.5rem 0 3rem;
}

.brand-eyebrow {
    margin: 0 0 0.75rem;
    letter-spacing: 0.22em;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--lime);
}

.brand-row {
    display: flex;
    align-items: center;
    gap: 0.9rem;
}

.brand-row.compact { gap: 0.7rem; }

.brand-logo {
    width: 72px;
    height: 72px;
    object-fit: contain;
    filter: drop-shadow(0 0 18px rgba(163, 230, 53, 0.25));
}

.brand-row.compact .brand-logo {
    width: 48px;
    height: 48px;
}

.brand-name {
    margin: 0;
    font-size: clamp(1.8rem, 4vw, 2.4rem);
    font-weight: 700;
    letter-spacing: -0.02em;
}

.brand-name.sm { font-size: 1.25rem; }

.status-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: 1.1rem;
    padding: 0.4rem 0.85rem;
    border-radius: 999px;
    background: rgba(0, 0, 0, 0.45);
    border: 1px solid var(--border);
    font-size: 0.72rem;
    letter-spacing: 0.12em;
    font-weight: 600;
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--lime);
    box-shadow: 0 0 10px var(--lime);
}

.login-panel {
    margin-top: 2rem;
    padding: 1.75rem 1.5rem 1.5rem;
    border: 1px solid var(--border);
    border-radius: 1.1rem;
    background: var(--panel);
    backdrop-filter: blur(10px);
    width: 100%;
}

.login-panel .headline,
.login-panel .lead {
    text-align: center;
}

.headline {
    margin: 0 0 0.75rem;
    font-size: clamp(1.45rem, 5vw, 1.85rem);
    font-weight: 700;
    letter-spacing: -0.02em;
    line-height: 1.15;
}

.headline.sm { font-size: clamp(1.35rem, 3vw, 1.8rem); }

.headline span { color: var(--lime); }

.lead {
    margin: 0 0 1.5rem;
    color: var(--muted);
    line-height: 1.55;
    font-size: 0.95rem;
}

.login-form {
    display: grid;
    gap: 1rem;
    width: 100%;
}

.field {
    display: grid;
    gap: 0.4rem;
}

.field span {
    font-size: 0.85rem;
    color: var(--muted);
    font-weight: 500;
}

.field input {
    width: 100%;
    padding: 0.85rem 1rem;
    border-radius: 0.7rem;
    border: 1px solid rgba(255, 255, 255, 0.1);
    background: rgba(0, 0, 0, 0.35);
    color: var(--text);
    font: inherit;
    outline: none;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.field input:focus {
    border-color: var(--lime);
    box-shadow: 0 0 0 3px rgba(163, 230, 53, 0.15);
}

.btn-primary,
.btn-ghost {
    font: inherit;
    cursor: pointer;
    border-radius: 0.7rem;
    transition: transform 0.15s ease, background 0.15s ease, opacity 0.15s ease;
}

.btn-primary {
    margin-top: 0.35rem;
    padding: 0.9rem 1.2rem;
    border: 0;
    background: var(--lime);
    color: #0a0f0c;
    font-weight: 700;
}

.btn-primary:hover { background: var(--lime-dim); transform: translateY(-1px); }

.btn-ghost {
    padding: 0.45rem 0.85rem;
    border: 1px solid var(--border);
    background: transparent;
    color: var(--text);
}

.btn-ghost:hover { border-color: var(--lime); color: var(--lime); }

.alert {
    padding: 0.75rem 0.9rem;
    border-radius: 0.65rem;
    background: rgba(248, 113, 113, 0.12);
    border: 1px solid rgba(248, 113, 113, 0.35);
    color: #fecaca;
    font-size: 0.92rem;
}

.contact-hint {
    margin: 1.4rem 0 0;
    color: var(--muted);
    font-size: 0.92rem;
}

.contact-hint a {
    color: var(--lime);
    text-decoration: none;
    font-weight: 600;
}

.contact-hint a:hover { text-decoration: underline; }

.site-footer {
    margin-top: 2.5rem;
    text-align: center;
    color: rgba(168, 181, 164, 0.55);
    font-size: 0.8rem;
    letter-spacing: 0.08em;
}

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

.dash-user {
    display: flex;
    align-items: center;
    gap: 0.85rem;
    color: var(--muted);
}

.dash-user p { margin: 0; }
.dash-user strong { color: var(--text); }

.dash-intro { margin-bottom: 1.5rem; }

.empty-state {
    padding: 1.5rem;
    border: 1px dashed var(--border);
    border-radius: 0.9rem;
    color: var(--muted);
}

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

.plant-card {
    padding: 1.15rem 1.2rem 1.25rem;
    border-radius: 1rem;
    border: 1px solid var(--border);
    background: var(--panel);
    transition: border-color 0.2s ease, transform 0.2s ease;
}

.plant-photo {
    margin: 0 0 0.9rem;
    border-radius: 0.75rem;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.08);
    aspect-ratio: 16 / 10;
    background: rgba(0, 0, 0, 0.35);
}

.plant-photo img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.plant-meta.municipio {
    margin-top: -0.55rem;
    font-size: 0.85rem;
    opacity: 0.9;
}

.plant-card-link {
    display: block;
    color: inherit;
    text-decoration: none;
}

.plant-enter {
    margin: 1rem 0 0;
    color: var(--lime);
    font-weight: 600;
    font-size: 0.9rem;
    text-align: center;
}

.planta-toolbar {
    display: flex;
    flex-wrap: wrap;
    align-items: flex-end;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.date-filter {
    display: flex;
    flex-wrap: wrap;
    align-items: flex-end;
    gap: 0.75rem;
}

.date-filter label {
    display: grid;
    gap: 0.35rem;
}

.date-filter label span {
    font-size: 0.8rem;
    color: var(--muted);
}

.date-filter input[type="date"] {
    padding: 0.65rem 0.8rem;
    border-radius: 0.65rem;
    border: 1px solid rgba(255, 255, 255, 0.12);
    background: rgba(0, 0, 0, 0.35);
    color: var(--text);
    font: inherit;
}

.btn-sm {
    padding: 0.7rem 1rem;
    width: auto;
    margin-top: 0;
}

.timing-hint {
    margin: 0;
    color: var(--muted);
    font-size: 0.85rem;
}

.timing-hint strong { color: var(--lime); }

.planta-heading {
    text-align: center;
    margin-bottom: 1.5rem;
}

.planta-heading .headline { margin-bottom: 0.4rem; }

.plant-module {
    margin: 0 0 0.35rem;
    color: var(--lime);
    font-weight: 600;
}

.heading-date-form {
    margin-top: 0.75rem;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.55rem;
}

.day-nav {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    box-sizing: border-box;
    width: 2.1rem;
    height: 2.1rem;
    padding: 0;
    border-radius: 0.55rem;
    border: 1px solid rgba(163, 230, 53, 0.35);
    background: rgba(0, 0, 0, 0.35);
    color: var(--lime);
    text-decoration: none;
    line-height: 0;
    transition: border-color 0.15s ease, background 0.15s ease;
}

.day-nav svg {
    width: 1rem;
    height: 1rem;
    display: block;
    flex-shrink: 0;
}

.day-nav:hover {
    border-color: var(--lime);
    background: rgba(163, 230, 53, 0.12);
}

.heading-date-form input[type="date"] {
    padding: 0.45rem 0.7rem;
    border-radius: 0.65rem;
    border: 1px solid rgba(163, 230, 53, 0.35);
    background: rgba(0, 0, 0, 0.35);
    color: var(--text);
    font: inherit;
    font-size: 0.95rem;
    text-align: center;
    color-scheme: dark;
    cursor: pointer;
}

.heading-date-form input[type="date"]:focus {
    outline: none;
    border-color: var(--lime);
    box-shadow: 0 0 0 3px rgba(163, 230, 53, 0.15);
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.chart-panel {
    padding: 1rem 0.75rem 0.5rem;
    border: 1px solid var(--border);
    border-radius: 1rem;
    background: var(--panel);
    margin-bottom: 1rem;
}

.chart-box { min-height: 360px; }

.chart-legend {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    margin: 0.25rem 0 0.75rem;
    color: var(--muted);
    font-size: 0.9rem;
}

.legend-line {
    display: inline-block;
    width: 1.5rem;
    height: 3px;
    border-radius: 2px;
    background: var(--lime);
}

.kpi-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1rem;
}

.kpi-grid.kpi-4 {
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

.section-block {
    margin-top: 2rem;
}

.section-title {
    margin: 0 0 1rem;
    text-align: center;
    font-size: clamp(1.35rem, 3vw, 1.75rem);
    font-weight: 700;
    letter-spacing: -0.02em;
}

.chart-box-sm { min-height: 300px; }

.tech-panel {
    margin-top: 2rem;
    padding: 1.25rem 1.2rem 1.4rem;
    border: 1px solid var(--border);
    border-radius: 1rem;
    background: var(--panel);
}

.tech-table {
    margin: 0;
    display: grid;
    gap: 0.55rem;
}

.tech-table div {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.2fr);
    gap: 1rem;
    padding: 0.55rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.tech-table div:last-child { border-bottom: 0; }

.tech-table dt {
    margin: 0;
    color: var(--muted);
    font-weight: 500;
}

.tech-table dd {
    margin: 0;
    font-weight: 600;
    text-align: right;
    color: var(--text);
}

.kpi-card {
    padding: 1.25rem 1.1rem;
    border-radius: 1rem;
    border: 1px solid var(--border);
    background: var(--panel);
    text-align: center;
}

.kpi-card h3 {
    margin: 0 0 0.55rem;
    font-size: 0.95rem;
    color: var(--muted);
    font-weight: 500;
}

.kpi-card p {
    margin: 0;
    font-size: 1rem;
    color: var(--muted);
}

.kpi-card strong {
    display: block;
    font-size: clamp(1.8rem, 4vw, 2.4rem);
    color: var(--lime);
    line-height: 1.1;
    margin-bottom: 0.2rem;
}

@media (max-width: 900px) {
    .kpi-grid.kpi-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 640px) {
    .kpi-grid,
    .kpi-grid.kpi-4 { grid-template-columns: 1fr; }
    .planta-toolbar { align-items: stretch; }
    .timing-hint { width: 100%; }
    .tech-table div { grid-template-columns: 1fr; gap: 0.2rem; }
    .tech-table dd { text-align: left; }
}

.plant-card:hover {
    border-color: rgba(163, 230, 53, 0.45);
    transform: translateY(-2px);
}

.plant-card-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.75rem;
}

.tag {
    display: inline-block;
    padding: 0.25rem 0.55rem;
    border-radius: 999px;
    background: rgba(163, 230, 53, 0.15);
    color: var(--lime);
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.tag.muted {
    background: rgba(255, 255, 255, 0.06);
    color: var(--muted);
}

.plant-power {
    margin: 0;
    font-weight: 700;
    color: var(--lime);
}

.plant-card h3 {
    margin: 0 0 0.35rem;
    font-size: 1.1rem;
}

.plant-meta {
    margin: 0 0 0.9rem;
    color: var(--muted);
    font-size: 0.9rem;
}

.plant-specs {
    display: grid;
    gap: 0.35rem;
    margin: 0;
}

.plant-specs div {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    font-size: 0.85rem;
}

.plant-specs dt {
    margin: 0;
    color: var(--muted);
}

.plant-specs dd {
    margin: 0;
    font-weight: 600;
}

@media (max-width: 640px) {
    .login-page, .dash-page { width: calc(100% - 1.25rem); padding-top: 1.5rem; }
    .dash-header { align-items: flex-start; }
}