.gms-graphing-calculator-wrap {
    width: var(--gms-calculator-width, 100%);
    max-width: 100%;
    margin: 20px auto;
    overflow: hidden;
    border-radius: 16px;
    border: 1px solid var(--gms-calculator-border, #e5e7eb);
    background: var(--gms-calculator-bg, #ffffff);
    box-shadow: 0 12px 35px rgba(15, 23, 42, 0.10);
    transition: background .25s ease, border-color .25s ease, box-shadow .25s ease;
}

.gms-graphing-calculator-wrap[data-gms-theme="dark"] {
    --gms-calculator-bg: #0b1120;
    --gms-calculator-surface: #111827;
    --gms-calculator-text: #f8fafc;
    --gms-calculator-muted: #cbd5e1;
    --gms-calculator-border: #263244;
    --gms-calculator-button-bg: #f8fafc;
    --gms-calculator-button-text: #0f172a;
    --gms-calculator-frame-bg: #0f172a;
    box-shadow: 0 18px 50px rgba(0, 0, 0, 0.35);
}

.gms-graphing-calculator-wrap[data-gms-theme="light"] {
    --gms-calculator-bg: #ffffff;
    --gms-calculator-surface: #f8fafc;
    --gms-calculator-text: #111827;
    --gms-calculator-muted: #64748b;
    --gms-calculator-border: #e5e7eb;
    --gms-calculator-button-bg: #111827;
    --gms-calculator-button-text: #ffffff;
    --gms-calculator-frame-bg: #ffffff;
}

.gms-calculator-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 15px;
    padding: 14px 16px;
    background: var(--gms-calculator-surface, #f8fafc);
    border-bottom: 1px solid var(--gms-calculator-border, #e5e7eb);
}

.gms-calculator-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    min-width: 0;
    color: var(--gms-calculator-text, #111827);
    font-size: 16px;
    font-weight: 700;
    line-height: 1.2;
}

.gms-calculator-brand small {
    display: block;
    margin-top: 2px;
    color: var(--gms-calculator-muted, #64748b);
    font-size: 12px;
    font-weight: 500;
}

.gms-calculator-dot {
    width: 12px;
    height: 12px;
    flex: 0 0 auto;
    border-radius: 999px;
    background: linear-gradient(135deg, #22c55e, #2563eb);
    box-shadow: 0 0 0 4px rgba(37, 99, 235, .12);
}

.gms-calculator-theme-toggle {
    appearance: none;
    border: 0;
    border-radius: 999px;
    padding: 10px 15px;
    cursor: pointer;
    background: var(--gms-calculator-button-bg, #111827);
    color: var(--gms-calculator-button-text, #ffffff);
    font-size: 13px;
    font-weight: 700;
    white-space: nowrap;
    transition: transform .2s ease, opacity .2s ease;
}

.gms-calculator-theme-toggle:hover {
    transform: translateY(-1px);
    opacity: .92;
}

.gms-graphing-calculator-frame {
    display: block;
    width: 100%;
    min-height: var(--gms-calculator-height, 900px);
    border: 0;
    overflow: hidden;
    background: var(--gms-calculator-frame-bg, #ffffff);
}

.gms-calculator-admin .gms-admin-card {
    max-width: 1100px;
    background: #fff;
    border: 1px solid #dcdcde;
    border-radius: 10px;
    padding: 20px;
    margin: 20px 0;
    box-shadow: 0 1px 2px rgba(0,0,0,.04);
}

.gms-calculator-admin .gms-admin-warning {
    border-left: 4px solid #d63638;
}

@media (max-width: 768px) {
    .gms-graphing-calculator-wrap {
        margin: 10px auto;
        border-radius: 12px;
    }

    .gms-calculator-toolbar {
        align-items: flex-start;
        flex-direction: column;
    }

    .gms-calculator-theme-toggle {
        width: 100%;
    }

    .gms-graphing-calculator-frame {
        min-height: 780px;
    }
}

.gms-toolbar-actions{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.gms-calculator-save-open,.gms-btn{appearance:none;border:0;border-radius:999px;background:#2563eb;color:#fff;padding:10px 15px;font-weight:700;text-decoration:none;display:inline-flex;align-items:center;justify-content:center;cursor:pointer}.gms-calculator-save-open:hover,.gms-btn:hover{opacity:.9;color:#fff}.gms-save-panel{position:fixed;inset:0;z-index:999999;background:rgba(15,23,42,.66);display:flex;align-items:center;justify-content:center;padding:18px}.gms-save-panel[hidden]{display:none}.gms-save-box{width:min(560px,100%);background:#fff;color:#111827;border-radius:18px;padding:24px;box-shadow:0 24px 80px rgba(0,0,0,.25);position:relative}.gms-save-close{position:absolute;right:14px;top:10px;border:0;background:transparent;font-size:30px;line-height:1;cursor:pointer}.gms-save-box label,.gms-auth-card label{display:block;font-weight:700;margin:13px 0 7px}.gms-save-box input,.gms-save-box select,.gms-save-box textarea,.gms-auth-card input{width:100%;max-width:100%;border:1px solid #d1d5db;border-radius:10px;padding:11px 12px;background:#fff}.gms-save-box textarea{min-height:90px}.gms-save-message,.gms-success{color:#15803d;font-weight:700}.gms-error{color:#b91c1c;font-weight:700}.gms-auth-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}.gms-auth-card,.gms-user-dashboard{background:#fff;border:1px solid #e5e7eb;border-radius:16px;padding:22px;box-shadow:0 12px 35px rgba(15,23,42,.08);margin:20px 0}.gms-stats-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin:18px 0}.gms-stats-grid.admin{grid-template-columns:repeat(4,minmax(0,1fr));max-width:1100px}.gms-stats-grid>div{background:#f8fafc;border:1px solid #e5e7eb;border-radius:14px;padding:18px}.gms-stats-grid strong{display:block;font-size:32px;color:#111827;line-height:1}.gms-stats-grid span{display:block;margin-top:8px;color:#64748b;font-weight:700}.gms-history-list{display:grid;gap:14px}.gms-history-item{border:1px solid #e5e7eb;border-radius:14px;padding:16px;background:#f8fafc}.gms-history-item div{display:flex;justify-content:space-between;gap:10px;align-items:flex-start;flex-wrap:wrap}.gms-history-item span{color:#64748b;font-size:13px}.gms-history-item pre{white-space:pre-wrap;background:#fff;border:1px solid #e5e7eb;border-radius:10px;padding:12px}.gms-history-delete{border:0;background:#dc2626;color:#fff;border-radius:999px;padding:8px 13px;font-weight:700;cursor:pointer}.gms-calculator-admin .gms-stats-grid{margin-top:20px}.gms-calculator-admin pre{white-space:pre-wrap;margin:0}.gms-calculator-admin .widefat td{vertical-align:top}.gms-graphing-calculator-wrap[data-gms-theme="dark"] .gms-calculator-save-open{background:#2563eb;color:#fff}
@media (max-width: 768px){.gms-auth-grid,.gms-stats-grid,.gms-stats-grid.admin{grid-template-columns:1fr}.gms-toolbar-actions{width:100%}.gms-calculator-save-open,.gms-calculator-theme-toggle{flex:1}.gms-save-box{padding:20px}}