.settings-shell {
    --settings-ink: #17233b;
    --settings-muted: #6e7e95;
    --settings-line: #e1e8f2;
    --settings-soft: #f6f9fd;
    --settings-primary: #315be8;
    --settings-primary-soft: #edf2ff;
    --settings-success: #16856b;
    position: relative;
}

.settings-context-nav {
    position: relative;
    z-index: 5;
    margin-bottom: 20px;
    overflow: hidden;
    border: 1px solid #dce5f0;
    border-radius: 16px;
    background: rgba(255, 255, 255, 0.97);
    box-shadow: 0 16px 38px rgba(30, 50, 82, 0.08);
}

.settings-context-heading {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 18px 20px 14px;
    background:
        radial-gradient(circle at 92% 12%, rgba(49, 91, 232, 0.1), transparent 28%),
        linear-gradient(180deg, #fff 0%, #f8faff 100%);
}

.settings-context-title {
    display: flex;
    min-width: 0;
    align-items: center;
    gap: 12px;
}

.settings-context-icon {
    display: grid;
    width: 42px;
    height: 42px;
    flex: 0 0 42px;
    place-items: center;
    border-radius: 11px;
    background: #17335f;
    color: #fff;
    font-size: 1.15rem;
    box-shadow: 0 10px 20px rgba(23, 51, 95, 0.2);
}

.settings-context-kicker,
.settings-context-title strong {
    display: block;
}

.settings-context-kicker {
    margin-bottom: 2px;
    color: #76869d;
    font-size: 0.67rem;
    font-weight: 800;
    letter-spacing: 0.09em;
    text-transform: uppercase;
}

.settings-context-title strong {
    color: var(--settings-ink);
    font-size: 1rem;
    font-weight: 800;
}

.settings-context-status {
    display: inline-flex;
    flex: 0 0 auto;
    align-items: center;
    gap: 6px;
    padding: 7px 10px;
    border: 1px solid #cfe8df;
    border-radius: 999px;
    background: #f0faf7;
    color: #14735e;
    font-size: 0.7rem;
    font-weight: 800;
}

.settings-main-nav {
    display: flex;
    gap: 6px;
    overflow-x: auto;
    padding: 0 14px 14px;
    scrollbar-width: thin;
    scroll-behavior: smooth;
}

.settings-main-link {
    display: inline-flex;
    min-height: 40px;
    flex: 0 0 auto;
    align-items: center;
    gap: 8px;
    padding: 9px 13px;
    border: 1px solid transparent;
    border-radius: 10px;
    color: #5c6e87;
    font-size: 0.78rem;
    font-weight: 800;
    text-decoration: none;
    transition: border-color 0.18s ease, background-color 0.18s ease, color 0.18s ease, transform 0.18s ease;
}

.settings-main-link i {
    font-size: 1.05rem;
}

.settings-main-link:hover {
    border-color: #dce5f2;
    background: #f8faff;
    color: #294775;
    transform: translateY(-1px);
}

.settings-main-link.is-active {
    border-color: #cedbff;
    background: var(--settings-primary-soft);
    color: #274ecb;
    box-shadow: inset 0 0 0 1px rgba(49, 91, 232, 0.035);
}

.settings-subnav {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 11px 14px;
    border-top: 1px solid #e6edf5;
    background: #f8faff;
}

.settings-subnav-label {
    flex: 0 0 auto;
    padding: 0 5px;
    color: #75869d;
    font-size: 0.66rem;
    font-weight: 800;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.settings-subnav-links {
    display: flex;
    min-width: 0;
    gap: 6px;
    overflow-x: auto;
    scrollbar-width: thin;
}

.settings-subnav-links a {
    display: inline-flex;
    min-height: 32px;
    flex: 0 0 auto;
    align-items: center;
    gap: 6px;
    padding: 6px 10px;
    border-radius: 8px;
    color: #65768e;
    font-size: 0.7rem;
    font-weight: 800;
    text-decoration: none;
}

.settings-subnav-links a:hover {
    background: #fff;
    color: #315be8;
}

.settings-subnav-links a.is-active {
    background: #fff;
    color: #274ecb;
    box-shadow: 0 5px 14px rgba(32, 55, 91, 0.08);
}

.settings-shell .settings-page-hero {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    margin-bottom: 18px;
    overflow: hidden;
    padding: 22px 24px;
    border: 1px solid #dfe7f1;
    border-radius: 15px;
    background:
        radial-gradient(circle at 92% 20%, rgba(49, 91, 232, 0.12), transparent 32%),
        linear-gradient(135deg, #fff 0%, #f5f8ff 100%);
    box-shadow: 0 14px 32px rgba(28, 48, 80, 0.07);
}

.settings-shell .settings-page-hero-copy {
    display: flex;
    min-width: 0;
    align-items: center;
    gap: 14px;
}

.settings-shell .settings-page-hero-icon {
    display: grid;
    width: 48px;
    height: 48px;
    flex: 0 0 48px;
    place-items: center;
    border-radius: 12px;
    background: #eaf0ff;
    color: var(--settings-primary);
    font-size: 1.3rem;
}

.settings-shell .settings-page-eyebrow {
    display: block;
    margin-bottom: 3px;
    color: #718198;
    font-size: 0.66rem;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.settings-shell .settings-page-hero h3,
.settings-shell .settings-page-hero h4 {
    margin: 0;
    color: var(--settings-ink);
    font-size: 1.18rem;
    font-weight: 800;
}

.settings-shell .settings-page-hero p {
    margin: 4px 0 0;
    color: var(--settings-muted);
    font-size: 0.78rem;
    line-height: 1.55;
}

.settings-shell .wa-header-card,
.settings-shell .user-header-card {
    border-radius: 15px !important;
    box-shadow: 0 14px 32px rgba(28, 48, 80, 0.07) !important;
}

.settings-shell .card:not(.settings-context-nav) {
    border: 1px solid var(--settings-line) !important;
    border-radius: 14px !important;
    box-shadow: 0 10px 26px rgba(29, 48, 78, 0.06) !important;
}

.settings-shell .card-header {
    min-height: 54px;
    padding: 15px 18px;
    border-bottom-color: #e8eef6;
}

.settings-shell .card-header h5,
.settings-shell .card-body h5 {
    color: #253953;
    font-size: 0.94rem;
    font-weight: 800;
}

.settings-shell .card-body {
    padding: 18px;
}

.settings-shell .form-label {
    margin-bottom: 7px;
    color: #3c4f69;
    font-size: 0.76rem;
    font-weight: 800;
}

.settings-shell .form-control,
.settings-shell .form-select,
.settings-shell .input-group-text {
    min-height: 42px;
    border-color: #d7e1ed;
    border-radius: 9px;
}

.settings-shell textarea.form-control {
    min-height: auto;
}

.settings-shell .form-control:focus,
.settings-shell .form-select:focus {
    border-color: #91adff;
    box-shadow: 0 0 0 0.2rem rgba(49, 91, 232, 0.11);
}

.settings-shell .btn {
    border-radius: 9px;
    font-size: 0.76rem;
    font-weight: 800;
}

.settings-shell .btn-primary {
    background: var(--settings-primary);
    border-color: var(--settings-primary);
    box-shadow: 0 8px 16px rgba(49, 91, 232, 0.16);
}

.settings-shell .table {
    color: #334861;
}

.settings-shell .table thead th {
    padding-top: 12px;
    padding-bottom: 12px;
    border-bottom-color: #dfe7f1;
    background: #f6f9fd;
    color: #6d7d94;
    font-size: 0.66rem;
    font-weight: 800;
    letter-spacing: 0.055em;
    text-transform: uppercase;
    white-space: nowrap;
}

.settings-shell .table tbody td {
    padding-top: 12px;
    padding-bottom: 12px;
    border-bottom-color: #edf1f6;
    vertical-align: middle;
}

.settings-shell .alert {
    border-radius: 11px;
    font-size: 0.78rem;
}

.settings-shell .badge {
    border-radius: 7px;
    font-size: 0.66rem;
    font-weight: 800;
}

.settings-shell .settings-kpi-card {
    height: 100%;
    padding: 16px;
    border: 1px solid var(--settings-line);
    border-radius: 13px;
    background: #fff;
    box-shadow: 0 9px 22px rgba(29, 48, 78, 0.05);
}

.settings-shell .settings-kpi-card span,
.settings-shell .settings-kpi-card strong,
.settings-shell .settings-kpi-card small {
    display: block;
}

.settings-shell .settings-kpi-card span {
    color: #76869c;
    font-size: 0.66rem;
    font-weight: 800;
    letter-spacing: 0.055em;
    text-transform: uppercase;
}

.settings-shell .settings-kpi-card strong {
    margin-top: 7px;
    color: #213650;
    font-size: 1.1rem;
    font-weight: 800;
}

.settings-shell .settings-kpi-card small {
    margin-top: 4px;
    color: #8492a5;
    font-size: 0.69rem;
}

.settings-shell .settings-command {
    position: relative;
}

.settings-shell .settings-command textarea,
.settings-shell .settings-command pre {
    padding: 15px 52px 15px 15px;
    border: 1px solid #d7e1ee;
    border-radius: 10px;
    background: #101b2e;
    color: #d9e6ff;
    font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
    font-size: 0.72rem;
    line-height: 1.6;
}

.settings-shell .settings-copy-btn {
    position: absolute;
    top: 9px;
    right: 9px;
    z-index: 2;
    width: 34px;
    height: 34px;
    padding: 0;
    border-color: rgba(255, 255, 255, 0.2);
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
}

.settings-shell .settings-card-reveal {
    opacity: 0;
    transform: translateY(10px);
    transition: opacity 0.4s ease, transform 0.4s ease;
}

.settings-shell .settings-card-reveal.is-visible {
    opacity: 1;
    transform: translateY(0);
}

@media (max-width: 767.98px) {
    .settings-context-heading,
    .settings-shell .settings-page-hero {
        align-items: flex-start;
        flex-direction: column;
    }

    .settings-context-status {
        align-self: flex-start;
    }

    .settings-subnav {
        display: block;
    }

    .settings-subnav-label {
        display: block;
        margin-bottom: 8px;
    }

    .settings-shell .settings-page-hero {
        padding: 18px;
    }

    .settings-shell .card-body {
        padding: 16px;
    }
}

@media (prefers-reduced-motion: reduce) {
    .settings-main-link,
    .settings-shell .settings-card-reveal {
        transition: none;
    }
}