body.stclean {
    margin: 0;
    font-family: arial, helvetica, sans-serif;
    color: #1e293b;
    background: #fafafa;
}

/* corepanels.css ships .panel with a transparent border and undefined theme
   variables - it renders invisible unless an app gives it real values. */
body.stclean .panel {
    background: #fff;
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    box-shadow: 0 1px 4px rgba(0,0,0,0.06);
    padding: 24px;
    position: relative;
}
body.stclean .panel .panel-header {
    margin: -24px -24px 16px;
    padding: 12px 24px;
    background: #f8fafc;
    border-bottom: 1px solid #e2e8f0;
    border-radius: 12px 12px 0 0;
    font-weight: 700;
}

/* ---- nav ---- */
.stclean-nav {
    background: #fff;
    border-bottom: 1px solid #e5e7eb;
}
.stclean-nav-inner {
    max-width: 1100px;
    margin: 0 auto;
    padding: 16px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.stclean-nav-inner .stclean-logo {
    font-size: 1.4em;
    font-weight: 800;
    text-decoration: none;
}
.stclean-nav-inner .stclean-logo-st {
    color: #1e293b;
}
.stclean-nav-inner .stclean-logo-clean {
    color: #0d9488;
}
.stclean-nav-links {
    display: flex;
    align-items: center;
    gap: 20px;
}
.stclean-nav-links a {
    color: #1e293b;
    text-decoration: none;
    font-weight: 600;
}
.stclean-nav-links .stclean-nav-cta {
    background: #0d9488;
    color: #fff;
    padding: 8px 16px;
    border-radius: 6px;
}

/* ---- shared layout ---- */
.stclean-section {
    max-width: 1100px;
    margin: 0 auto;
    padding: 60px 24px;
}
.stclean-section-title {
    text-align: center;
    margin-bottom: 32px;
}

/* ---- hero ---- */
.stclean-hero {
    text-align: center;
    padding-top: 60px;
}
.stclean-hero-text {
    max-width: 800px;
    margin: 0 auto;
    padding: 48px 40px;
}
.stclean-hero-text h1 {
    font-size: 2.2em;
    max-width: 760px;
    margin: 0 auto 16px;
}
.stclean-hero-sub {
    max-width: 620px;
    margin: 0 auto 28px;
    color: #475569;
    font-size: 1.1em;
}
body.stclean .btn {
    display: inline-block;
    background: #0d9488;
    color: #fff;
    text-decoration: none;
    padding: 12px 28px;
    border-radius: 6px;
    font-weight: 700;
    border: none;
    cursor: pointer;
}

/* ---- qualify columns ---- */
.stclean-qualify-columns {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}
.stclean-qualify-column {
    padding: 28px;
}
.stclean-qualify-column h3 {
    margin-top: 0;
    color: #0d9488;
}
.stclean-qualify-column ul li {
    padding: 6px 0;
    color: #334155;
}
.stclean-qualify-column .stclean-qualify-cta {
    margin-top: 16px;
}

/* ---- modals ---- */
.stclean-modal {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 42, 0.55);
    z-index: 1000;
    align-items: center;
    justify-content: center;
    padding: 24px;
}
.stclean-modal.show {
    display: flex;
}
.stclean-modal-content {
    max-width: 440px;
    width: 100%;
    max-height: 85vh;
    overflow-y: auto;
}
.stclean-modal-content .stclean-modal-close {
    position: absolute;
    top: 12px;
    right: 16px;
    font-size: 1.4em;
    color: #94a3b8;
    text-decoration: none;
    line-height: 1;
}
.stclean-modal-content .stclean-modal-close:hover {
    color: #1e293b;
}

.stclean-field {
    margin-bottom: 14px;
}
.stclean-field div:first-child {
    font-weight: 600;
    margin-bottom: 4px;
}
.stclean-field input {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid #ddd;
    border-radius: 8px;
    font-size: 1em;
    box-sizing: border-box;
}
.stclean-dev-code {
    background: #ffffcc;
    border: 2px solid #ff9900;
    padding: 12px;
    margin: 12px 0;
    border-radius: 4px;
    font-family: monospace;
    font-size: 16px;
    font-weight: bold;
    text-align: center;
}

/* ---- dashboard ---- */
.stclean-dashboard-page {
    max-width: 800px;
    margin: 0 auto;
    padding: 40px 24px;
}
.stclean-dashboard-header {
    margin-bottom: 24px;
}
.stclean-dashboard-identity {
    color: #64748b;
}
.stclean-role-badges {
    display: flex;
    gap: 10px;
    margin-top: 10px;
}
.stclean-role-badges .stclean-role-badge {
    background: #ccfbf1;
    color: #0d9488;
    padding: 4px 12px;
    border-radius: 999px;
    font-weight: 700;
    font-size: 0.85em;
}
.stclean-profile-form input[type=text] {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid #ddd;
    border-radius: 8px;
    font-size: 1em;
    box-sizing: border-box;
}
.stclean-profile-form input[type=checkbox] {
    margin-right: 6px;
}

/* ---- footer ---- */
.stclean-footer {
    max-width: 1100px;
    margin: 0 auto;
    padding: 24px;
    text-align: center;
    color: #94a3b8;
    font-size: 0.85em;
}

@media (max-width: 720px) {
    .stclean-qualify-columns {
        grid-template-columns: 1fr;
    }
}