:root {
    --bg-start: #020a1a;
    --bg-end: #051f3d;
    --surface: rgba(6, 22, 46, 0.92);
    --surface-muted: rgba(6, 22, 46, 0.65);
    --border: rgba(255, 255, 255, 0.08);
    --text: #e7f1ff;
    --text-muted: #8fa8c3;
    --accent: #ff8b3d;
    --accent-strong: #ffb347;
    --danger: #ff5f7a;
    --success: #35d0ba;
    --warning: #ffbb54;
    --info: #6ca7ff;
    --input-bg: #041225;
    --control-bg: rgba(255, 255, 255, 0.05);
}

body.light-mode {
    --bg-start: #f8fbff;
    --bg-end: #e2eaf5;
    --surface: #ffffff;
    --surface-muted: rgba(6, 22, 46, 0.04);
    --border: rgba(6, 22, 46, 0.12);
    --text: #2c3e50;
    --text-muted: #6c7a89;
    --accent: #ff8b3d;
    --accent-strong: #ffb347;
    --danger: #e74c3c;
    --success: #27ae60;
    --warning: #f39c12;
    --info: #3498db;
    --input-bg: #fdfdfd;
    --control-bg: rgba(6, 22, 46, 0.05);
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    min-height: 100vh;
    font-family: "Segoe UI", "Liberation Sans", system-ui, sans-serif;
    background: radial-gradient(circle at top, var(--bg-end), var(--bg-start));
    color: var(--text);
    line-height: 1.5;
}

.page {
    width: min(1500px, calc(100% - 2rem));
    margin: 0 auto;
    padding: 2.25rem clamp(1rem, 3vw, 2.5rem) 3rem;
}

.card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 20px;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.35);
}

.page-header {
    display: flex;
    gap: 1.5rem;
    align-items: center;
    padding: 0.5rem 1rem;
    margin-bottom: 1rem;
}

.logo {
    width: 96px;
    height: 96px;
    object-fit: contain;
    border-radius: 50%;
    border: 2px solid var(--border);
    padding: 0.25rem;
    background: #010712;
}

.page-header h1 {
    margin: 0 0 0.35rem;
    font-size: clamp(2rem, 4vw, 2.6rem);
    letter-spacing: -0.5px;
}

.page-header p {
    margin: 0;
    color: var(--text-muted);
    max-width: 60ch;
}

.layout-grid {
    display: grid;
    gap: 1.25rem;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    margin-bottom: 1.25rem;
    align-items: stretch;
}

.panel {
    display: flex;
    flex-direction: column;
    padding: 1rem;
    gap: 0.5rem;
    min-height: 100%;
}

.panel-heading {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.panel-heading h2 {
    margin: 0;
    font-size: 1.1rem;
    letter-spacing: 1px;
    color: var(--text-muted);
}

textarea {
    width: 100%;
    min-height: 360px;
    background: var(--input-bg);
    color: var(--text);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 0.9rem 1rem;
    font-family: "JetBrains Mono", "Cascadia Code", "Fira Code", monospace;
    font-size: 0.95rem;
    resize: vertical;
    transition: border 0.2s, box-shadow 0.2s;
    flex: 1 1 auto;
}

textarea:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 2px rgba(255, 139, 61, 0.25);
}

.controls {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    justify-content: flex-end;
    width: 100%;
}

.controls-dual {
    gap: 1rem;
    justify-content: space-between;
}

.controls-dual button {
    flex: 1 1 calc(50% - 0.5rem);
}

button,
select {
    font: inherit;
    border: none;
    border-radius: 999px;
    padding: 0.4rem 1rem;
    cursor: pointer;
    transition: transform 0.15s, box-shadow 0.15s, background 0.2s;
    font-size: 0.9rem;
}

button:active {
    transform: translateY(1px);
}

.btn-primary {
    background: var(--accent);
    color: #120400;
    box-shadow: 0 8px 20px rgba(255, 139, 61, 0.35);
}

.btn-primary:hover {
    background: var(--accent-strong);
}

.btn-secondary {
    background: var(--border);
    color: var(--text);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.18);
}

.btn-success {
    background: var(--success);
    color: #01241f;
    box-shadow: 0 8px 22px rgba(53, 208, 186, 0.35);
}

.btn-success:hover {
    filter: brightness(1.05);
}

select,
.form-control-static {
    background: var(--control-bg);
    color: var(--text);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 0.45rem 0.8rem;
}

.details-grid {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.detail-row {
    display: flex;
    gap: 1rem;
    align-items: flex-end;
}

.detail-block {
    flex: 1;
}

.detail-block label {
    display: block;
    margin-bottom: 0.35rem;
    font-size: 0.8rem;
    text-transform: uppercase;
    color: var(--text-muted);
    letter-spacing: 0.08em;
}

.toggle-block .toggle {
    margin-bottom: 0.25rem;
}

.small-text {
    margin-top: 0.35rem;
    font-size: 0.82rem;
    color: var(--text-muted);
}

.badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.3rem 0.9rem;
    border-radius: 999px;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    border: 1px solid var(--border);
}

.badge-unknown {
    color: var(--text-muted);
    background: var(--control-bg);
}

.badge-pc {
    background: rgba(108, 167, 255, 0.15);
    color: var(--info);
}

.badge-mobile {
    background: rgba(53, 208, 186, 0.18);
    color: var(--success);
}

.toggle {
    justify-content: space-between;
    width: 100%;
    padding: 0.4rem 1rem;
}

.toggle.on {
    background: rgba(255, 139, 61, 0.2);
    color: var(--accent-strong);
    border: 1px solid rgba(255, 139, 61, 0.4);
}

.toggle.off {
    background: var(--control-bg);
    color: var(--text);
    border: 1px solid var(--border);
}

.status {
    margin: 0 auto 2rem;
    padding: 1rem 1.25rem;
    max-width: 800px;
    border-radius: 14px;
    border: 1px solid transparent;
    display: none;
}

.status.is-visible {
    display: block;
}

.status-info {
    border-color: rgba(108, 167, 255, 0.4);
    background: rgba(108, 167, 255, 0.15);
    color: var(--info);
}

.status-success {
    border-color: rgba(53, 208, 186, 0.4);
    background: rgba(53, 208, 186, 0.15);
    color: var(--success);
}

.status-warning {
    border-color: rgba(255, 187, 84, 0.4);
    background: rgba(255, 187, 84, 0.12);
    color: var(--warning);
}

.status-danger {
    border-color: rgba(255, 95, 122, 0.4);
    background: rgba(255, 95, 122, 0.12);
    color: var(--danger);
}

.page-footer {
    padding: 0.4rem 1.5rem;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 0.5rem;
    font-size: 1.2rem;
    color: var(--text-muted);
}

.page-footer a {
    color: var(--accent);
    text-decoration: none;
}

.page-footer a:hover {
    text-decoration: underline;
}

.footer-icon {
    height: 1.5em;
    vertical-align: middle;
    margin-right: 0.35rem;
    margin-bottom: 0px;
}

@media (max-width: 720px) {
    .page-header {
        flex-direction: column;
        text-align: center;
    }

    .logo {
        width: 80px;
        height: 80px;
    }

    .controls {
        justify-content: stretch;
    }

    .controls button,
    .controls .btn-success {
        width: 100%;
        text-align: center;
    }
}