.ribbon-control {
    display: flex;
    flex-direction: column;
    width: 100%;
    border: 1px solid #dbe3ea;
    border-radius: 14px;
    background: linear-gradient(180deg, #f9fafb 0%, #f3f4f6 100%);
    overflow: visible;
}

.ribbon-shell {
    width: 100%;
    min-width: 0;
}

.ribbon-shell > .ribbon-control {
    width: 100%;
    min-width: 0;
}

.ribbon-shell > .ribbon-control > .ribbon-shell-content-host {
    width: 100%;
    min-width: 0;
    padding: 1rem;
    box-sizing: border-box;
}

.ribbon-shell .ribbon-control {
    border: 1px solid #d9e4f0;
    background: linear-gradient(135deg, #eef6ff 0%, #f8fbff 100%);
    box-shadow: 0 10px 30px rgba(15, 23, 42, 0.06);
}

.ribbon-shell .ribbon-content {
    padding: 0.75rem;
}

.ribbon-shell .ribbon-group {
    min-width: 0;
    flex: 1 1 0;
    padding: 0.25rem 0.8rem 0.35rem 0.8rem;
}

.ribbon-shell .ribbon-group-title {
    margin-top: 0;
    margin-bottom: 0.45rem;
}

.ribbon-shell .ribbon-item-button {
    width: 88px;
}

.ribbon-shell .ribbon-item-button.is-active {
    border-color: #93c5fd;
    background: linear-gradient(180deg, #dbeafe 0%, #eff6ff 100%);
    box-shadow: inset 0 0 0 1px rgba(59, 130, 246, 0.25);
}

.ribbon-shell .ribbon-group-overflow-toggle {
    width: 24px;
    min-width: 24px;
    min-height: 24px;
}

.ribbon-tab-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem;
    padding: 0.5rem;
    background: #eef2f7;
    border-bottom: 1px solid #dbe3ea;
}

.ribbon-tab-button {
    border: 1px solid transparent;
    border-radius: 10px;
    background: transparent;
    color: #334155;
    font-weight: 600;
    font-size: 0.85rem;
    padding: 0.4rem 0.7rem;
    cursor: pointer;
}

.ribbon-tab-button.is-active {
    background: #ffffff;
    border-color: #cbd5e1;
    color: #0f172a;
}

.ribbon-content {
    display: flex;
    align-items: stretch;
    overflow-x: auto;
    overflow-y: visible;
    padding: 0.45rem;
    gap: 0.35rem;
}

.ribbon-group {
    display: flex;
    flex-direction: column;
    min-width: 120px;
    padding: 0.25rem 0.6rem 0.35rem 0.6rem;
    border-right: 1px solid #dbe3ea;
    position: relative;
}

.ribbon-group:last-child {
    border-right: none;
}

.ribbon-group-body {
    position: relative;
    padding-right: 2rem;
}

.ribbon-group-items {
    display: flex;
    flex-wrap: nowrap;
    gap: 0.35rem;
    align-content: flex-start;
    overflow: hidden;
}

.ribbon-group-actions .ribbon-group-body {
    padding-right: 0;
}

.ribbon-group-actions .ribbon-group-items {
    flex-wrap: wrap;
    overflow: visible;
}

.ribbon-group-actions .ribbon-item-button {
    width: auto;
    min-height: 2.25rem;
    flex: 0 1 auto;
    flex-direction: row;
    justify-content: flex-start;
    padding: 0.45rem 0.7rem;
    white-space: nowrap;
}

.ribbon-group-actions .ribbon-item-label {
    text-align: left;
    white-space: nowrap;
}

.ribbon-group-actions .ribbon-group-overflow-toggle,
.ribbon-group-actions .ribbon-group-overflow {
    display: none !important;
}

.ribbon-group-overflow-toggle {
    display: none;
    width: 24px;
    min-width: 24px;
    min-height: 24px;
    border: none;
    border-radius: 0;
    background: transparent;
    color: #111827;
    padding: 0;
    flex-direction: row;
    align-items: center;
    justify-content: center;
    gap: 0;
    cursor: pointer;
    position: absolute;
    right: 0;
    bottom: 0;
    z-index: 2;
}

.ribbon-group.has-overflow .ribbon-group-overflow-toggle {
    display: flex;
}

.ribbon-group-overflow {
    display: none;
    flex-wrap: wrap;
    gap: 0.35rem;
    position: absolute;
    top: 0;
    left: 0;
    z-index: 200;
    min-width: 180px;
    max-width: min(320px, 90vw);
    padding: 0.45rem;
    border: 1px solid #dbe3ea;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.98);
    box-shadow: 0 18px 34px rgba(15, 23, 42, 0.18);
    backdrop-filter: blur(8px);
}

.ribbon-group-overflow.has-overflow.is-expanded {
    display: flex;
}

.ribbon-item-button {
    width: 68px;
    min-height: 58px;
    flex: 0 0 auto;
    border: 1px solid transparent;
    border-radius: 10px;
    background: #ffffff;
    color: #111827;
    padding: 0.3rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.25rem;
    cursor: pointer;
    transition: background-color 0.15s ease, border-color 0.15s ease;
}

.ribbon-inline-item {
    width: auto;
}

.ribbon-item-button:hover {
    background: #f8fafc;
    border-color: #cbd5e1;
}

.ribbon-item-button:disabled {
    cursor: not-allowed;
    opacity: 0.55;
}

.ribbon-item-icon {
    color: #1e293b;
    line-height: 1;
}

.ribbon-item-label {
    font-size: 0.68rem;
    font-weight: 600;
    color: #0f172a;
    text-align: center;
    line-height: 1.1;
    word-break: break-word;
}

.ribbon-group-title {
    margin-bottom: 0.45rem;
    font-size: 0.72rem;
    color: #475569;
    font-weight: 700;
    text-align: left;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.ribbon-hidden-by-overflow {
    display: none !important;
}

.ribbon-content-stack {
    width: 100%;
    min-width: 0;
    max-width: 110rem;
    margin: 0 auto;
}

.ribbon-shell-content {
    width: 100%;
    min-width: 0;
}

.ribbon-shell-content > div {
    display: none;
    width: 100%;
    min-width: 0;
    flex: 0 0 100%;
}

.ribbon-shell-content > div.is-active {
    display: block;
}

.ribbon-shell-content > div > * {
    width: 100%;
    min-width: 0;
}

.ribbon-shell-view > .ribbon-shell-body {
    display: flex;
    width: 100%;
    min-width: 0;
    flex: 1 1 auto;
}

.ribbon-shell-body > .rz-stack {
    width: 100%;
    min-width: 0;
}

.ribbon-shell-body > .rz-card,
.ribbon-shell-body > .rz-card.rz-variant-filled.rz-p-4,
.ribbon-shell-body > [class$="-card"],
.ribbon-shell-body > .rz-stack > .rz-card,
.ribbon-shell-body > .rz-stack > .rz-card.rz-variant-filled.rz-p-4,
.ribbon-shell-body > .rz-stack > [class$="-card"] {
    width: 100%;
    min-width: 0;
    box-sizing: border-box;
}

@media (max-width: 639px) {
    .ribbon-shell .ribbon-content {
        gap: 0;
    }

    .ribbon-shell .ribbon-group {
        padding: 0.25rem 0.5rem 0.15rem 0.5rem;
    }

    .ribbon-shell .ribbon-item-button {
        width: 72px;
    }

    .ribbon-content {
        flex-direction: row;
        align-items: flex-start;
        overflow-x: auto;
    }

    .ribbon-group {
        flex: 1 1 0;
        min-width: 0;
        border-right: 1px solid #dbe3ea;
        border-bottom: none;
    }

    .ribbon-group:last-child {
        border-right: none;
    }

    .ribbon-group-items {
        flex-wrap: nowrap;
        overflow: hidden;
    }

    .ribbon-item-button,
    .ribbon-group-overflow-toggle {
        flex: 0 0 auto;
    }

}

@media (min-width: 640px) {
    .ribbon-shell .ribbon-item-button {
        width: 96px;
    }
}