:root {
    --color-bg: #0d0f14;
    --color-surface: #161922;
    --color-surface-2: #1e2330;
    --color-border: #2a3045;
    --color-accent: #25d366;
    --color-accent-2: #128c7e;
    --color-accent-glow: rgba(37, 211, 102, 0.18);
    --color-accent-hover: #1fb558;
    --color-danger: #ef4444;
    --color-warning: #f59e0b;
    --color-text: #e8eaf0;
    --color-text-muted: #6b7280;
    --color-text-white: #ffffff;
    --color-success-bg: rgba(37, 211, 102, 0.15);
    --color-warning-bg: rgba(245, 158, 11, 0.15);
    --color-danger-bg: rgba(239, 68, 68, 0.15);
    --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.4);
    --shadow-glow: 0 0 24px rgba(37, 211, 102, 0.2);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 18px;
    --radius-full: 9999px;
    --transition-default: 0.2s ease;
    --transition-slide: 0.3s cubic-bezier(0.2, 0, 0, 1);
    --color-accent-contrast: var(--color-bg);
    --overlay-strong: rgba(13, 15, 20, 0.86);
    --overlay-soft: rgba(232, 234, 240, 0.04);
    --overlay-line: rgba(232, 234, 240, 0.08);
}

* {
    box-sizing: border-box;
}

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

body {
    margin: 0;
    background:
        radial-gradient(circle at top, var(--color-accent-glow) 0%, transparent 24%),
        radial-gradient(circle at bottom right, rgba(18, 140, 126, 0.12) 0%, transparent 22%),
        var(--color-bg) !important;
    color: var(--color-text) !important;
    font-family: 'Inter', system-ui, sans-serif !important;
}

body::before {
    content: '';
    position: fixed;
    inset: 0;
    pointer-events: none;
    background-image: linear-gradient(var(--overlay-line) 1px, transparent 1px), linear-gradient(90deg, var(--overlay-line) 1px, transparent 1px);
    background-size: 120px 120px;
    opacity: 0.08;
}

a,
code,
.ui.header,
.ui.message,
.ui.list,
.ui.form label,
.ui.modal,
.ui.table,
.ui.segment,
.ui.card,
.ui.button,
.ui.input input,
.ui.form input,
.ui.form textarea,
.ui.form select {
    font-family: 'Inter', system-ui, sans-serif !important;
}

code {
    background: var(--overlay-soft);
    color: var(--color-text-white);
    padding: 0.2rem 0.45rem;
    border: 1px solid var(--overlay-line);
    border-radius: var(--radius-sm);
}

.container {
    width: min(1480px, calc(100vw - 32px)) !important;
    max-width: none !important;
    margin: 0 auto !important;
    padding: 32px 0 48px !important;
}

.app-shell {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.hero-panel,
.home-section,
.empty-state-banner,
.ui.segment,
.ui.message,
.ui.toast,
.ui.modal {
    border: 1px solid var(--color-border) !important;
    box-shadow: var(--shadow-card) !important;
}

.hero-panel {
    display: grid;
    grid-template-columns: minmax(0, 1.5fr) minmax(320px, 0.85fr);
    gap: 20px;
    padding: 28px;
    background: linear-gradient(180deg, rgba(30, 35, 48, 0.86), rgba(22, 25, 34, 0.96));
    border-radius: 28px;
    overflow: hidden;
    position: relative;
}

.hero-panel::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at top left, var(--color-accent-glow) 0%, transparent 28%);
    pointer-events: none;
}

.hero-copy,
.hero-aside {
    position: relative;
    z-index: 1;
}

.hero-badge,
.eyebrow,
.section-kicker,
.stat-label {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    font-size: 0.74rem;
    font-weight: 700;
}

.hero-badge {
    background: rgba(37, 211, 102, 0.08);
    border: 1px solid rgba(37, 211, 102, 0.22);
    color: var(--color-text-white);
    padding: 0.5rem 0.8rem;
    border-radius: var(--radius-full);
    margin-bottom: 16px;
}

.hero-badge-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--color-accent);
    box-shadow: var(--shadow-glow);
}

.main-header {
    margin-bottom: 22px;
}

.main-header .ui.header {
    margin: 0 !important;
    color: var(--color-text-white) !important;
}

.title-container {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 18px;
}

.brand-lockup {
    display: flex;
    align-items: flex-start;
    gap: 16px;
}

.brand-lockup img {
    width: 56px;
    height: 56px;
    padding: 10px;
    border-radius: 16px;
    background: linear-gradient(180deg, rgba(37, 211, 102, 0.16), rgba(18, 140, 126, 0.16));
    border: 1px solid rgba(37, 211, 102, 0.2);
    box-shadow: var(--shadow-glow);
}

.brand-lockup span {
    display: block;
    font-size: clamp(2rem, 4vw, 3.4rem);
    font-weight: 800;
    letter-spacing: -0.03em;
    line-height: 1;
    margin-bottom: 12px;
}

.brand-lockup p {
    max-width: 780px;
    margin: 0;
    color: var(--color-text-muted);
    font-size: 1rem;
    line-height: 1.7;
}

.version-label {
    flex-shrink: 0;
    padding: 0.5rem 0.8rem;
    border-radius: var(--radius-full);
    border: 1px solid var(--overlay-line);
    background: rgba(232, 234, 240, 0.04);
    color: var(--color-text-white);
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.06em;
}

.hero-stats-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
}

.stat-card {
    position: relative;
    padding: 20px;
    border-radius: 22px;
    background: linear-gradient(180deg, rgba(22, 25, 34, 0.98), rgba(30, 35, 48, 0.94));
    border: 1px solid var(--overlay-line);
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    width: 96px;
    height: 96px;
    right: -20px;
    top: -24px;
    border-radius: 50%;
    background: var(--color-accent-glow);
    filter: blur(10px);
}

.stat-value {
    display: block;
    margin: 12px 0 8px;
    font-size: 2rem;
    line-height: 1;
    font-weight: 800;
    color: var(--color-text-white);
    letter-spacing: -0.03em;
}

.stat-meta {
    color: var(--color-text-muted);
    font-size: 0.92rem;
}

.status-panel {
    height: 100%;
    padding: 22px;
    border-radius: 24px;
    background: linear-gradient(180deg, rgba(13, 15, 20, 0.78), rgba(22, 25, 34, 0.98));
    border: 1px solid var(--overlay-line);
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.status-panel.is-active {
    box-shadow: inset 0 0 0 1px rgba(37, 211, 102, 0.18), var(--shadow-card);
}

.status-panel-header,
.status-meta-list > div,
.section-heading {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}

.status-chip {
    padding: 0.42rem 0.74rem;
    border-radius: var(--radius-full);
    font-size: 0.76rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.status-chip.is-online {
    background: var(--color-success-bg);
    color: var(--color-accent);
}

.status-chip.is-idle {
    background: rgba(232, 234, 240, 0.05);
    color: var(--color-text-muted);
}

.status-device strong {
    display: block;
    color: var(--color-text-white);
    font-size: 1.15rem;
    letter-spacing: -0.02em;
}

.status-device p,
.section-heading p,
.empty-state-banner p {
    margin: 8px 0 0;
    color: var(--color-text-muted);
    line-height: 1.6;
}

.status-meta-list {
    display: grid;
    gap: 10px;
}

.status-meta-list > div {
    padding: 12px 14px;
    border-radius: var(--radius-md);
    background: rgba(232, 234, 240, 0.03);
    border: 1px solid var(--overlay-line);
}

.status-meta-list span {
    color: var(--color-text-muted);
    font-size: 0.85rem;
}

.status-meta-list b {
    color: var(--color-text-white);
    font-size: 0.92rem;
}

.status-endpoint {
    padding: 14px;
    border-radius: var(--radius-md);
    background: rgba(13, 15, 20, 0.72);
    border: 1px solid var(--overlay-line);
}

.status-endpoint code {
    display: block;
    margin-top: 8px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.home-section,
.empty-state-banner,
.ui.segment,
.ui.message,
.ui.toast,
.ui.modal {
    background: linear-gradient(180deg, rgba(22, 25, 34, 0.95), rgba(13, 15, 20, 0.96)) !important;
    border-radius: 24px !important;
}

.home-section {
    padding: 24px;
}

.home-section-device {
    padding-bottom: 10px;
}

.section-heading {
    margin-bottom: 18px;
}

.section-heading h2 {
    margin: 6px 0 0;
    color: var(--color-text-white);
    font-size: clamp(1.35rem, 2vw, 1.8rem);
    line-height: 1.1;
    letter-spacing: -0.03em;
}

.empty-state-banner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    padding: 18px 20px;
    background: linear-gradient(180deg, rgba(245, 158, 11, 0.12), rgba(22, 25, 34, 0.96)) !important;
}

.empty-state-banner strong {
    color: var(--color-text-white);
    font-size: 1rem;
}

.ui.grid {
    margin: -10px !important;
}

.ui.grid > .column {
    padding: 10px !important;
}

.ui.cards {
    margin: 0 !important;
}

.ui.cards > .card {
    width: calc(100% - 20px) !important;
    margin: 10px !important;
    border-radius: 20px !important;
    background: linear-gradient(180deg, rgba(30, 35, 48, 0.92), rgba(22, 25, 34, 0.98)) !important;
    border: 1px solid var(--overlay-line) !important;
    box-shadow: var(--shadow-card) !important;
    overflow: hidden;
    transition: transform var(--transition-slide), border-color var(--transition-default), box-shadow var(--transition-default) !important;
}

.ui.cards > .card:hover {
    transform: translateY(-4px) !important;
    border-color: rgba(37, 211, 102, 0.28) !important;
    box-shadow: var(--shadow-card), var(--shadow-glow) !important;
}

.ui.card > .content,
.ui.cards > .card > .content {
    background: transparent !important;
    color: var(--color-text) !important;
}

.ui.card .header,
.ui.cards > .card .header {
    color: var(--color-text-white) !important;
    font-size: 1.05rem !important;
    letter-spacing: -0.02em;
}

.ui.card .description,
.ui.cards > .card .description {
    color: var(--color-text-muted) !important;
    line-height: 1.6;
}

.ui.ribbon.label,
.ui.label {
    border-radius: var(--radius-full) !important;
    letter-spacing: 0.06em !important;
    text-transform: uppercase !important;
    font-size: 0.7rem !important;
    font-weight: 700 !important;
}

.ui.green.label,
.ui.green.ribbon.label,
.ui.blue.label,
.ui.blue.ribbon.label,
.ui.teal.label,
.ui.teal.ribbon.label,
.ui.primary.label,
.ui.primary.ribbon.label {
    background: var(--color-success-bg) !important;
    color: var(--color-accent) !important;
    box-shadow: none !important;
}

.ui.button {
    border-radius: var(--radius-md) !important;
    border: 1px solid var(--color-border) !important;
    background: rgba(232, 234, 240, 0.04) !important;
    color: var(--color-text-white) !important;
    font-weight: 700 !important;
    letter-spacing: 0.01em;
    transition: transform var(--transition-default), border-color var(--transition-default), box-shadow var(--transition-default), background var(--transition-default) !important;
}

.ui.button:hover {
    transform: translateY(-1px) !important;
    border-color: rgba(37, 211, 102, 0.32) !important;
    box-shadow: var(--shadow-glow) !important;
}

.ui.primary.button,
.ui.positive.button,
.ui.approve.button,
.ui.green.button {
    background: var(--color-accent) !important;
    color: var(--color-accent-contrast) !important;
    border-color: transparent !important;
}

.ui.primary.button:hover,
.ui.positive.button:hover,
.ui.approve.button:hover,
.ui.green.button:hover {
    background: var(--color-accent-hover) !important;
}

.ui.red.button,
.ui.danger.button,
.ui.negative.button {
    background: transparent !important;
    border-color: rgba(239, 68, 68, 0.4) !important;
    color: var(--color-danger) !important;
}

.ui.red.button:hover,
.ui.danger.button:hover,
.ui.negative.button:hover {
    background: var(--color-danger-bg) !important;
    box-shadow: none !important;
}

.ui.form input,
.ui.form textarea,
.ui.form select,
.ui.selection.dropdown,
.ui.dropdown .menu {
    background: var(--color-bg) !important;
    color: var(--color-text) !important;
    border: 1px solid var(--color-border) !important;
    border-radius: var(--radius-md) !important;
}

.ui.form input:focus,
.ui.form textarea:focus,
.ui.selection.dropdown:focus,
.ui.selection.active.dropdown,
.ui.selection.active.dropdown:hover {
    border-color: rgba(37, 211, 102, 0.45) !important;
    box-shadow: 0 0 0 3px var(--color-accent-glow) !important;
}

.ui.form label {
    color: var(--color-text-white) !important;
    font-weight: 600 !important;
}

.ui.checkbox label,
.ui.toggle.checkbox label {
    color: var(--color-text) !important;
}

.ui.toggle.checkbox input:checked ~ .box:before,
.ui.toggle.checkbox input:checked ~ label:before {
    background-color: var(--color-accent) !important;
}

.ui.toggle.checkbox .box:before,
.ui.toggle.checkbox label:before {
    background: var(--color-surface-2) !important;
    border: 1px solid var(--color-border) !important;
}

.ui.segment,
.ui.message {
    color: var(--color-text) !important;
}

.ui.info.message,
.ui.success.message {
    background: linear-gradient(180deg, rgba(37, 211, 102, 0.12), rgba(22, 25, 34, 0.96)) !important;
    color: var(--color-text) !important;
}

.ui.warning.message {
    background: linear-gradient(180deg, rgba(245, 158, 11, 0.12), rgba(22, 25, 34, 0.96)) !important;
    color: var(--color-text) !important;
}

.ui.error.message,
.ui.negative.message {
    background: linear-gradient(180deg, rgba(239, 68, 68, 0.12), rgba(22, 25, 34, 0.96)) !important;
    color: var(--color-text) !important;
}

.ui.message .header,
.ui.segment .header,
.ui.list > .item .header {
    color: var(--color-text-white) !important;
}

.ui.list > .item,
.ui.list .description,
.ui.relaxed.list .item {
    color: var(--color-text-muted) !important;
}

.ui.list > .item i.icon {
    color: var(--color-accent) !important;
}

.ui.divider,
.ui.horizontal.divider {
    border-top-color: var(--overlay-line) !important;
    color: var(--color-text-muted) !important;
}

.ui.table {
    background: transparent !important;
    color: var(--color-text) !important;
    border: 1px solid var(--color-border) !important;
}

.ui.table thead th,
.ui.table tbody tr td {
    background: transparent !important;
    color: var(--color-text) !important;
    border-color: var(--overlay-line) !important;
}

.ui.modal {
    overflow: hidden;
    backdrop-filter: blur(4px);
    transform-origin: center;
}

.ui.modal > .header,
.ui.modal > .content,
.ui.modal > .actions {
    background: transparent !important;
    color: var(--color-text) !important;
    border-color: var(--overlay-line) !important;
}

.ui.modal > .header {
    color: var(--color-text-white) !important;
    letter-spacing: -0.02em;
}

.ui.toast-container {
    padding: 20px !important;
}

.ui.toast {
    color: var(--color-text) !important;
}

.ui.dimmer {
    background-color: rgba(13, 15, 20, 0.72) !important;
    backdrop-filter: blur(4px);
}

#splash-screen {
    position: fixed;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 14px;
    background:
        radial-gradient(circle at top, var(--color-accent-glow) 0%, transparent 26%),
        linear-gradient(180deg, var(--color-surface-2), var(--color-bg));
    z-index: 9999;
    transition: opacity 0.5s ease-in-out;
    color: var(--color-text-white);
}

#splash-screen.fade-out {
    opacity: 0;
    pointer-events: none;
}

.splash-icon {
    width: 88px;
    height: 88px;
    padding: 16px;
    border-radius: 24px;
    background: linear-gradient(180deg, rgba(37, 211, 102, 0.16), rgba(18, 140, 126, 0.16));
    border: 1px solid rgba(37, 211, 102, 0.24);
    box-shadow: var(--shadow-glow);
    animation: splashFloat 2.8s ease-in-out infinite;
}

.splash-title {
    margin: 0;
    font-size: 2rem;
    line-height: 1;
    letter-spacing: -0.03em;
}

.splash-spinner:before {
    border-top-color: var(--color-accent) !important;
    border-right-color: var(--color-accent) !important;
}

@keyframes splashFloat {
    0%,
    100% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
}

@media (max-width: 1100px) {
    .hero-panel {
        grid-template-columns: 1fr;
    }

    .hero-stats-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 760px) {
    .container {
        width: min(100vw - 20px, 1480px) !important;
        padding-top: 18px !important;
    }

    .hero-panel,
    .home-section {
        padding: 18px;
        border-radius: 22px;
    }

    .title-container,
    .brand-lockup,
    .section-heading,
    .empty-state-banner {
        flex-direction: column;
        align-items: flex-start;
    }

    .hero-stats-grid {
        grid-template-columns: 1fr;
    }

    .status-endpoint code {
        white-space: normal;
        word-break: break-all;
    }
}