:root {
    /* Brand */
    --kodi-green: #B6FF00;
    --kodi-green-600: #8FD600;
    --kodi-green-700: #7AB800;

    /* Dark surfaces */
    --bg-0: #0B0B0D;
    --bg-1: #111214;
    --surface-0: #1A1A1C;
    --surface-1: #2B2C2E;
    --border-0: rgba(255, 255, 255, 0.06);

    /* Text */
    --text-0: #E6E6E6;
    --text-dim: #B8B8B8;
    --text-muted: #8B8B8B;
    --link: var(--kodi-green);
    --focus: #9FE000;

    /* Feedback */
    --ok: #3DDC97;
    --warn: #FFB020;
    --err: #FF5C5C;

    /* Layout scale */
    --space-1: 4px;
    --space-2: 8px;
    --space-3: 12px;
    --space-4: 16px;
    --space-5: 20px;
    --space-6: 24px;
    --space-8: 32px;
    --space-10: 40px;

    /* Radii & shadow */
    --radius: 12px;
    --shadow-1: 0 2px 10px rgba(0, 0, 0, 0.35);
    --shadow-2: 0 8px 24px rgba(0, 0, 0, 0.45);
}

html,
body {
    min-height: 100%;
}

body.ems-app {
    margin: 0;
    background-color: var(--bg-0);
    color: var(--text-0);
    font-family: "Inter", "Segoe UI", "Helvetica Neue", Arial, sans-serif;
    line-height: 1.5;
}

a,
.btn-link {
    color: var(--link);
    transition: color 0.2s ease;
}

a:hover,
.btn-link:hover {
    color: var(--kodi-green-600);
}

:focus-visible {
    outline: 2px solid var(--focus);
    outline-offset: 3px;
    border-radius: 8px;
}

@media (prefers-reduced-motion: reduce) {
    * {
        animation: none !important;
        transition: none !important;
    }
}

/* Main page background */
.ems-app .mud-main-content {
    height: 100vh;
    background-image: url('../img/solar_3ss.png');
    background-repeat: no-repeat;
    background-size: cover;
    background-position: center;
    background-attachment: fixed;

    overflow: auto;
}

.public-page .mud-main-content {
    background-image: none;
    background-color: var(--bg-0);
}

.ems-container {
    max-width: 1600px;
    margin: 0 auto;
    padding: var(--space-6) var(--space-8);
}

@media (max-width: 1280px) {
    .ems-container {
        padding: var(--space-5) var(--space-6);
    }
}

.ems-panel,
.ems-app .mud-card {
    background: var(--surface-1);
    border: 1px solid var(--border-0);
    border-radius: var(--radius);
    box-shadow: var(--shadow-1);
    color: var(--text-0);
    transition: box-shadow 0.25s ease, background 0.25s ease, transform 0.25s ease;
}

.ems-h1 {
    font-size: 28px;
    font-weight: 600;
    margin: 0 0 var(--space-6);
    color: var(--text-0);
}

.ems-h2 {
    font-size: 20px;
    font-weight: 600;
    margin: var(--space-6) 0 var(--space-4);
    color: var(--text-0);
}

.ems-subtle {
    color: var(--text-dim);
}

.mud-button.mud-button-filled-primary {
    background-color: var(--kodi-green);
    color: #0F1300;
}

.mud-button.mud-button-filled-primary:hover {
    background-color: var(--kodi-green-600);
}

.mud-button.mud-button-outlined-primary {
    border-color: var(--kodi-green);
    color: var(--kodi-green);
}

.mud-button.mud-button-outlined-primary:hover {
    background: rgba(182, 255, 0, 0.12);
    color: var(--kodi-green-700);
}

.mud-input-root,
.mud-select {
    background: var(--surface-0);
    border-radius: var(--radius);
}

.mud-input-root.mud-input-underline:after {
    border-bottom-color: var(--kodi-green);
}

.mud-drawer {
    background: #121213;
    border-right: 1px solid var(--border-0);
}

.mud-appbar {
    background: var(--surface-0) !important;
    color: var(--text-0);
    border-bottom: 1px solid var(--border-0);
    box-shadow: var(--shadow-1);
}

.mud-nav-menu {
    padding: 0;
}

.mud-nav-link {
    color: var(--text-dim);
    border-radius: 10px;
    padding: var(--space-3) var(--space-4);
    font-weight: 500;
    transition: background 0.2s ease, color 0.2s ease;
}

.mud-nav-link:hover {
    background: rgba(255, 255, 255, 0.04);
    color: var(--text-0);
}

.mud-nav-link.active {
    background: rgba(182, 255, 0, 0.12);
    color: var(--text-0);
}

.ems-nav {
    display: flex;
    flex-direction: column;
    gap: var(--space-6);
    padding: var(--space-6);
    height: 100%;
}

.ems-nav__menu {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.ems-nav__footer {
    margin-top: auto;
    padding-top: var(--space-4);
    border-top: 1px solid var(--border-0);
}

.mud-typography.ems-subtle,
.ems-subtle .mud-typography {
    color: var(--text-dim);
}

.mud-divider {
    border-color: var(--border-0) !important;
}

.mud-popover .mud-paper {
    background: var(--surface-0);
    color: var(--text-0);
}

.mud-tooltip-root .mud-tooltip {
    background: var(--surface-0);
    color: var(--text-0);
    border: 1px solid var(--border-0);
}

.mud-input-label {
    color: var(--text-muted);
}

.mud-table {
    background: transparent;
}

.mud-table thead tr {
    background: rgba(255, 255, 255, 0.03);
}

.mud-table tbody tr:hover {
    background: rgba(255, 255, 255, 0.04);
}

.mud-snackbar:not(.mud-snackbar-inlined) {
    background: var(--surface-0);
    border: 1px solid var(--border-0);
    color: var(--text-0);
    box-shadow: var(--shadow-1);
}

.mud-snackbar-success {
    border-left: 4px solid var(--ok);
}

.mud-snackbar-warning {
    border-left: 4px solid var(--warn);
}

.mud-snackbar-error {
    border-left: 4px solid var(--err);
}

.mud-chip {
    border-radius: var(--radius);
}

.mud-popover.mud-select-popover {
    background: rgba(21, 21, 23, 0.9); /* semi-transparent dark surface */
    backdrop-filter: blur(8px);        /* optional soft blur for glass effect */
    border: 1px solid rgba(255, 255, 255, 0.06);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.45);
}

/* Dropdown items */
.mud-select-item {
    background-color: transparent !important;
    color: #E6E6E6 !important;
    transition: background 0.2s ease;
}

/* Hover/selected state uses your panel hover color */
.mud-select-item:hover,
.mud-select-item.mud-selected-item {
    background-color: #1B1C1E !important; /* same as hover surface tone */
    color: #B6FF00 !important;            /* brand highlight */
}

.ems-card {
    background: #151517;
    border-radius: 12px;
    border: 1px solid rgba(255,255,255,0.06);
    transition: all 0.25s ease;
}

/* State highlight via border + glow */
.ems-card--ok {
    box-shadow: 0 0 12px 2px rgba(182, 255, 0, 0.35) !important;
    border-top: 5px solid #B6FF00 !important;
    border-bottom: 1px solid #B6FF00 !important;
    border-left: 1px solid #B6FF00 !important;
    border-right: 1px solid #B6FF00 !important;
}

.ems-card--warn {
    box-shadow: 0 0 12px 2px rgba(55,176,32,0.25) !important;
    border-top: 5px solid #FFB020 !important;
    border-bottom: 1px solid #FFB020 !important;
    border-left: 1px solid #FFB020 !important;
    border-right: 1px solid #FFB020 !important;
}

.ems-card--error {
    box-shadow: 0 0 12px 2px rgba(182,255,0,0.25) !important;
    border-top: 5px solid #FF4C4C !important;
    border-bottom: 1px solid #FF4C4C !important;
    border-left: 1px solid #FF4C4C !important;
    border-right: 1px solid #FF4C4C !important;
}

.ems-card::before {
    content: "";
    display: block;
    height: 4px;
    border-radius: 12px 12px 0 0;
    background: transparent;
    transition: background 0.25s ease;
}

.ems-card--error .ems-card-header span.state { color: #FF4C4C; }
.ems-card--warn  .ems-card-header span.state { color: #FFB020; }
.ems-card--ok    .ems-card-header span.state { color: #B6FF00; }

/* Subtle hover lift */
.ems-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0,0,0,0.4);
}

.ems-card-header {
    padding: 8px 12px;
    font-weight: 600;
    color: #fff;
    background: none;
    /* border-bottom: 1px solid rgba(255,255,255,0.05); */
}

.ems-card--error .ems-card-header {
    color: #FF4C4C;
}

.ems-card--warn .ems-card-header {
    color: #FFB020;
}

.ems-card--ok .ems-card-header {
    color: #B6FF00;
}
.ems-card--ok.active {
    animation: pulseGlow 3s ease-in-out infinite;
}

/* remove background in mud-select */
.mud-input-root,
.mud-select {
    background: transparent !important;
}