/* =========================================================
   NOESOR - RELACIONES ENTRE ENTIDADES
   Modelador visual de relaciones, cardinalidades y llaves foráneas.
   ========================================================= */

.relationship-workspace {
    position: relative;
    isolation: isolate;
    min-height: 100%;
    padding: 34px 0 110px;
}

    .relationship-workspace::before,
    .relationship-workspace::after {
        position: fixed;
        z-index: -3;
        border-radius: 50%;
        content: "";
        pointer-events: none;
        filter: blur(120px);
    }

    .relationship-workspace::before {
        top: 160px;
        left: -170px;
        width: 410px;
        height: 410px;
        background: rgba(37, 99, 235, 0.09);
    }

    .relationship-workspace::after {
        right: -190px;
        bottom: 90px;
        width: 450px;
        height: 450px;
        background: rgba(34, 211, 238, 0.055);
    }

.relationship-empty-state {
    width: min(calc(100% - 40px), 760px);
    margin: 80px auto 110px;
    padding: 54px 44px;
    border: 1px solid rgba(96, 165, 250, 0.17);
    border-radius: 26px;
    text-align: center;
    background: radial-gradient(circle at 50% 0%, rgba(37, 99, 235, 0.12), transparent 42%), linear-gradient(145deg, rgba(15, 29, 50, 0.92), rgba(7, 17, 31, 0.97));
    box-shadow: 0 35px 80px rgba(0, 0, 0, 0.28), inset 0 1px 0 rgba(255, 255, 255, 0.035);
}

    .relationship-empty-state h1 {
        margin: 15px 0 0;
        font-size: clamp(2rem, 5vw, 3.5rem);
        line-height: 1.08;
        letter-spacing: -0.055em;
    }

    .relationship-empty-state p {
        max-width: 620px;
        margin: 20px auto 0;
        color: var(--text-soft);
        line-height: 1.75;
    }

    .relationship-empty-state .button {
        margin-top: 28px;
    }

/* Progreso */

.workspace-progress {
    width: min(calc(100% - 40px), 1280px);
    margin: 0 auto 36px;
    padding: 14px 18px;
    display: grid;
    grid-template-columns: auto minmax(40px, 1fr) auto minmax(40px, 1fr) auto minmax(40px, 1fr) auto;
    align-items: center;
    gap: 12px;
    border: 1px solid rgba(148, 163, 184, 0.12);
    border-radius: 17px;
    background: rgba(7, 17, 31, 0.72);
    box-shadow: 0 18px 42px rgba(0, 0, 0, 0.16), inset 0 1px 0 rgba(255, 255, 255, 0.025);
    backdrop-filter: blur(18px);
}

.progress-step {
    min-width: 0;
    padding: 0;
    display: flex;
    align-items: center;
    gap: 10px;
    border: 0;
    color: var(--text-muted);
    background: transparent;
    text-align: left;
}

button.progress-step {
    cursor: pointer;
}

.progress-step-number {
    width: 31px;
    height: 31px;
    flex: 0 0 auto;
    display: grid;
    place-items: center;
    border: 1px solid rgba(148, 163, 184, 0.16);
    border-radius: 9px;
    background: rgba(255, 255, 255, 0.025);
    font-size: 0.72rem;
    font-weight: 800;
}

.progress-step strong,
.progress-step small {
    display: block;
    white-space: nowrap;
}

.progress-step strong {
    font-size: 0.73rem;
    font-weight: 760;
}

.progress-step small {
    margin-top: 2px;
    color: rgba(148, 163, 184, 0.68);
    font-size: 0.63rem;
}

.progress-step.completed,
.progress-step.active {
    color: var(--text);
}

    .progress-step.completed .progress-step-number {
        border-color: rgba(34, 211, 238, 0.28);
        color: #a5f3fc;
        background: rgba(34, 211, 238, 0.08);
    }

    .progress-step.active .progress-step-number {
        border-color: rgba(96, 165, 250, 0.42);
        color: #fff;
        background: linear-gradient(135deg, #2563eb, #0891b2);
        box-shadow: 0 8px 22px rgba(37, 99, 235, 0.26);
    }

.progress-line {
    height: 1px;
    background: rgba(148, 163, 184, 0.13);
}

    .progress-line.completed {
        background: linear-gradient(90deg, rgba(34, 211, 238, 0.44), rgba(96, 165, 250, 0.32));
    }

/* Encabezado */

.relationship-page-header {
    width: min(calc(100% - 40px), 1280px);
    margin-right: auto;
    margin-left: auto;
    padding-top: 28px;
    padding-bottom: 30px;
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: end;
    gap: 38px;
    text-align: left;
}

    .relationship-page-header::after {
        display: none;
    }

    .relationship-page-header h1 {
        margin: 0;
        font-size: clamp(2.7rem, 5vw, 4.8rem);
        line-height: 1;
        letter-spacing: -0.065em;
    }

    .relationship-page-header p {
        max-width: 760px;
        margin: 20px 0 0;
        color: var(--text-soft);
        line-height: 1.75;
    }

        .relationship-page-header p strong {
            color: #e0f2fe;
        }

.relationship-header-stats {
    display: grid;
    grid-template-columns: repeat(3, minmax(112px, 1fr));
    gap: 10px;
}

.relationship-stat-card {
    min-width: 112px;
    min-height: 104px;
    padding: 16px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    border: 1px solid rgba(148, 163, 184, 0.13);
    border-radius: 15px;
    background: linear-gradient(145deg, rgba(15, 29, 50, 0.86), rgba(7, 17, 31, 0.93));
    box-shadow: 0 16px 34px rgba(0, 0, 0, 0.16), inset 0 1px 0 rgba(255, 255, 255, 0.025);
}

    .relationship-stat-card span {
        color: var(--text-muted);
        font-size: 0.65rem;
        font-weight: 750;
        line-height: 1.35;
        text-transform: uppercase;
        letter-spacing: 0.055em;
    }

    .relationship-stat-card strong {
        color: var(--text);
        font-size: 2rem;
        line-height: 1;
        letter-spacing: -0.05em;
    }

/* Toolbar y mensajes */

.relationship-toolbar {
    width: min(calc(100% - 40px), 1280px);
    margin: 0 auto 22px;
    padding: 12px;
    display: flex;
    align-items: center;
    gap: 10px;
    border: 1px solid rgba(148, 163, 184, 0.12);
    border-radius: 15px;
    background: rgba(7, 17, 31, 0.66);
    box-shadow: 0 14px 34px rgba(0, 0, 0, 0.14), inset 0 1px 0 rgba(255, 255, 255, 0.02);
    backdrop-filter: blur(16px);
}

.toolbar-spacer {
    flex: 1;
}

.relationship-status {
    width: min(calc(100% - 40px), 1280px);
    margin: 0 auto 22px;
    padding: 14px 16px;
    display: flex;
    align-items: center;
    gap: 11px;
    border-radius: 13px;
    font-size: 0.79rem;
    font-weight: 650;
}

    .relationship-status.success {
        border: 1px solid rgba(52, 211, 153, 0.2);
        color: #bbf7d0;
        background: rgba(6, 78, 59, 0.17);
    }

    .relationship-status.error {
        border: 1px solid rgba(248, 113, 113, 0.22);
        color: #fecaca;
        background: rgba(127, 29, 29, 0.16);
    }

.status-icon {
    width: 23px;
    height: 23px;
    flex: 0 0 auto;
    display: grid;
    place-items: center;
    border: 1px solid currentColor;
    border-radius: 50%;
    font-size: 0.7rem;
    font-weight: 900;
    opacity: 0.8;
}

/* Layout */

.relationship-layout {
    width: min(calc(100% - 40px), 1280px);
    margin: 0 auto;
    display: grid;
    grid-template-columns: 315px minmax(0, 1fr);
    align-items: start;
    gap: 20px;
}

.relationship-form-card,
.relationship-diagram-card,
.relationship-list-card {
    min-width: 0;
    border: 1px solid rgba(148, 163, 184, 0.13);
    background: linear-gradient(145deg, rgba(14, 28, 48, 0.91), rgba(7, 17, 31, 0.96));
    box-shadow: 0 26px 60px rgba(0, 0, 0, 0.22), inset 0 1px 0 rgba(255, 255, 255, 0.025);
}

.relationship-form-card {
    position: sticky;
    top: 96px;
    padding: 0;
    overflow: hidden;
}

.relationship-panel-heading {
    padding: 22px 22px 18px;
    border-bottom: 1px solid rgba(148, 163, 184, 0.1);
    background: rgba(255, 255, 255, 0.012);
}

    .relationship-panel-heading h2 {
        margin: 7px 0 0;
        font-size: 1.18rem;
        letter-spacing: -0.03em;
    }

    .relationship-panel-heading p {
        margin: 10px 0 0;
        color: var(--text-muted);
        font-size: 0.75rem;
        line-height: 1.55;
    }

.relationship-form {
    padding: 20px 22px 22px;
    display: grid;
    gap: 16px;
}

.form-field label {
    display: block;
    margin-bottom: 8px;
    color: var(--text-soft);
    font-size: 0.74rem;
    font-weight: 720;
}

.form-field .input {
    width: 100%;
    min-height: 44px;
    padding: 0 12px;
    border: 1px solid rgba(148, 163, 184, 0.14);
    border-radius: 10px;
    outline: none;
    color: var(--text);
    background: rgba(3, 12, 24, 0.58);
    font-family: inherit;
    font-size: 0.76rem;
}

    .form-field .input:focus {
        border-color: rgba(34, 211, 238, 0.38);
        box-shadow: 0 0 0 4px rgba(34, 211, 238, 0.05);
    }

    .form-field .input option {
        color: #0f172a;
        background: #f8fafc;
    }

.form-field small {
    display: block;
    margin-top: 7px;
    color: rgba(148, 163, 184, 0.62);
    font-size: 0.62rem;
    line-height: 1.45;
}

.relationship-direction {
    display: grid;
    grid-template-columns: auto 1fr auto 1fr auto;
    align-items: center;
    gap: 7px;
    color: var(--text-muted);
}

.direction-node {
    width: 24px;
    height: 24px;
    display: grid;
    place-items: center;
    border: 1px solid rgba(96, 165, 250, 0.2);
    border-radius: 50%;
    color: #bfdbfe;
    background: rgba(37, 99, 235, 0.08);
    font-size: 0.65rem;
    font-weight: 850;
}

.direction-line {
    height: 1px;
    background: linear-gradient(90deg, rgba(96, 165, 250, 0.12), rgba(34, 211, 238, 0.5));
}

.relationship-direction strong {
    font-size: 0.62rem;
    font-weight: 730;
    white-space: nowrap;
}

.relationship-checkbox {
    display: flex;
    align-items: center;
    gap: 9px;
    color: var(--text-soft);
    cursor: pointer;
    font-size: 0.74rem;
}

    .relationship-checkbox input {
        position: absolute;
        opacity: 0;
    }

.relationship-checkbox-box {
    width: 18px;
    height: 18px;
    flex: 0 0 auto;
    display: grid;
    place-items: center;
    border: 1px solid rgba(148, 163, 184, 0.22);
    border-radius: 5px;
    background: rgba(255, 255, 255, 0.025);
}

.relationship-checkbox input:checked + .relationship-checkbox-box {
    border-color: rgba(34, 211, 238, 0.5);
    background: linear-gradient(135deg, #2563eb, #0891b2);
}

    .relationship-checkbox input:checked + .relationship-checkbox-box::after {
        width: 8px;
        height: 4px;
        border-bottom: 2px solid #fff;
        border-left: 2px solid #fff;
        content: "";
        transform: translateY(-1px) rotate(-45deg);
    }

.relationship-add-button {
    width: 100%;
}

/* Diagrama */

.relationship-diagram-card {
    padding: 0;
    overflow: hidden;
}

.relationship-diagram-header {
    padding: 23px 25px;
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 20px;
    border-bottom: 1px solid rgba(148, 163, 184, 0.11);
    background: rgba(255, 255, 255, 0.012);
}

    .relationship-diagram-header h2 {
        margin: 7px 0 0;
        font-size: 1.22rem;
        letter-spacing: -0.03em;
    }

    .relationship-diagram-header p {
        max-width: 630px;
        margin: 8px 0 0;
        color: var(--text-muted);
        font-size: 0.74rem;
        line-height: 1.55;
    }

.diagram-header-meta {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: 7px;
}

    .diagram-header-meta span {
        padding: 5px 8px;
        border: 1px solid rgba(148, 163, 184, 0.12);
        border-radius: 999px;
        color: var(--text-muted);
        background: rgba(255, 255, 255, 0.018);
        font-size: 0.62rem;
    }

.diagram-canvas {
    position: relative;
    min-height: 520px;
    padding: 22px;
    overflow: hidden;
    background: rgba(2, 8, 18, 0.45);
}

.diagram-grid-background {
    position: absolute;
    inset: 0;
    opacity: 0.28;
    background-image: linear-gradient(rgba(148, 163, 184, 0.06) 1px, transparent 1px), linear-gradient(90deg, rgba(148, 163, 184, 0.06) 1px, transparent 1px);
    background-size: 24px 24px;
    pointer-events: none;
}

.entity-diagram {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
}

.diagram-entity-card {
    min-width: 0;
    overflow: hidden;
    border: 1px solid rgba(148, 163, 184, 0.13);
    border-radius: 14px;
    background: rgba(7, 17, 31, 0.92);
    box-shadow: 0 18px 34px rgba(0, 0, 0, 0.16);
    transition: border-color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}

    .diagram-entity-card:hover {
        transform: translateY(-2px);
        box-shadow: 0 24px 42px rgba(0, 0, 0, 0.22);
    }

    .diagram-entity-card.connected {
        border-color: rgba(34, 211, 238, 0.2);
    }

    .diagram-entity-card.unrelated {
        border-color: rgba(251, 191, 36, 0.18);
    }

    .diagram-entity-card header {
        padding: 14px 15px;
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 12px;
        border-bottom: 1px solid rgba(148, 163, 184, 0.1);
        background: linear-gradient(135deg, rgba(37, 99, 235, 0.1), rgba(34, 211, 238, 0.035));
    }

.diagram-entity-title {
    min-width: 0;
    display: flex;
    align-items: center;
    gap: 10px;
}

.diagram-entity-icon {
    width: 31px;
    height: 31px;
    padding: 7px 6px;
    flex: 0 0 auto;
    display: flex;
    flex-direction: column;
    gap: 3px;
    border: 1px solid rgba(96, 165, 250, 0.18);
    border-radius: 8px;
    background: rgba(37, 99, 235, 0.07);
}

    .diagram-entity-icon span {
        height: 3px;
        border-radius: 2px;
        background: rgba(148, 163, 184, 0.35);
    }

        .diagram-entity-icon span:first-child {
            background: rgba(34, 211, 238, 0.82);
        }

.diagram-entity-title strong,
.diagram-entity-title small {
    display: block;
}

.diagram-entity-title strong {
    overflow: hidden;
    color: #fff;
    font-size: 0.8rem;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.diagram-entity-title small {
    margin-top: 3px;
    color: var(--text-muted);
    font-size: 0.61rem;
}

.entity-relationship-badge {
    min-width: 26px;
    height: 26px;
    display: grid;
    place-items: center;
    border: 1px solid rgba(96, 165, 250, 0.16);
    border-radius: 8px;
    color: #bfdbfe;
    background: rgba(37, 99, 235, 0.07);
    font-size: 0.62rem;
    font-weight: 800;
}

.diagram-fields {
    padding: 8px;
    display: grid;
    gap: 2px;
}

.diagram-field {
    min-height: 31px;
    padding: 0 7px;
    display: grid;
    grid-template-columns: 28px minmax(0, 1fr) auto;
    align-items: center;
    gap: 6px;
    border-radius: 7px;
    color: var(--text-soft);
    font-size: 0.7rem;
}

    .diagram-field:hover {
        background: rgba(255, 255, 255, 0.022);
    }

.diagram-field-icon {
    min-width: 24px;
    height: 20px;
    display: grid;
    place-items: center;
    border-radius: 6px;
    color: var(--text-muted);
    background: rgba(255, 255, 255, 0.025);
    font-size: 0.55rem;
    font-weight: 850;
}

.diagram-field.primary-key {
    color: #fde68a;
    background: rgba(120, 53, 15, 0.08);
}

    .diagram-field.primary-key .diagram-field-icon {
        color: #fde68a;
        background: rgba(120, 53, 15, 0.16);
    }

.diagram-field-name {
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.diagram-field small {
    color: var(--text-muted);
    font-size: 0.61rem;
    white-space: nowrap;
}

.diagram-more-fields {
    padding: 8px 7px 3px;
    color: var(--text-muted);
    font-size: 0.64rem;
    font-style: italic;
}

.diagram-entity-card footer {
    padding: 9px 14px;
    border-top: 1px solid rgba(148, 163, 184, 0.09);
}

.entity-connection-state {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.61rem;
    font-weight: 700;
}

    .entity-connection-state::before {
        width: 7px;
        height: 7px;
        border-radius: 50%;
        content: "";
    }

    .entity-connection-state.valid {
        color: #86efac;
    }

        .entity-connection-state.valid::before {
            background: #34d399;
            box-shadow: 0 0 10px rgba(52, 211, 153, 0.45);
        }

    .entity-connection-state.warning {
        color: #fde68a;
    }

        .entity-connection-state.warning::before {
            background: #fbbf24;
            box-shadow: 0 0 10px rgba(251, 191, 36, 0.4);
        }

/* Listado */

.relationship-list-card {
    width: min(calc(100% - 40px), 1280px);
    margin: 22px auto 0;
    padding: 0;
    overflow: hidden;
}

.relationship-list-header {
    padding: 23px 25px;
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 20px;
    border-bottom: 1px solid rgba(148, 163, 184, 0.11);
    background: rgba(255, 255, 255, 0.012);
}

    .relationship-list-header h2 {
        margin: 7px 0 0;
        font-size: 1.22rem;
        letter-spacing: -0.03em;
    }

    .relationship-list-header p {
        margin: 8px 0 0;
        color: var(--text-muted);
        font-size: 0.74rem;
        line-height: 1.55;
    }

.relationship-list-total {
    min-width: 31px;
    height: 31px;
    display: grid;
    place-items: center;
    border: 1px solid rgba(96, 165, 250, 0.18);
    border-radius: 9px;
    color: #bfdbfe;
    background: rgba(37, 99, 235, 0.07);
    font-size: 0.7rem;
    font-weight: 800;
}

.relationship-empty-list {
    padding: 48px 24px;
    text-align: center;
}

.empty-relationship-icon {
    width: 82px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 20px 1fr 20px;
    align-items: center;
    gap: 8px;
}

    .empty-relationship-icon::before,
    .empty-relationship-icon::after {
        width: 20px;
        height: 20px;
        border: 1px solid rgba(96, 165, 250, 0.2);
        border-radius: 7px;
        content: "";
        background: rgba(37, 99, 235, 0.07);
    }

    .empty-relationship-icon span:first-child {
        grid-column: 2;
        height: 1px;
        background: linear-gradient(90deg, rgba(96, 165, 250, 0.2), rgba(34, 211, 238, 0.6));
    }

.relationship-empty-list h3 {
    margin: 18px 0 0;
    font-size: 1rem;
}

.relationship-empty-list p {
    max-width: 560px;
    margin: 9px auto 0;
    color: var(--text-muted);
    font-size: 0.74rem;
    line-height: 1.6;
}

.relationship-list {
    padding: 20px 24px 24px;
    display: grid;
    gap: 12px;
}

.relationship-item {
    position: relative;
    min-width: 0;
    padding: 17px 54px 17px 18px;
    display: grid;
    gap: 13px;
    border: 1px solid rgba(148, 163, 184, 0.11);
    border-radius: 13px;
    background: rgba(255, 255, 255, 0.018);
    transition: border-color 0.2s ease, background-color 0.2s ease, transform 0.2s ease;
}

    .relationship-item:hover {
        border-color: rgba(34, 211, 238, 0.18);
        background: rgba(255, 255, 255, 0.027);
        transform: translateY(-1px);
    }

.relationship-item-main {
    display: grid;
    grid-template-columns: minmax(140px, 1fr) minmax(120px, 0.75fr) minmax(140px, 1fr);
    align-items: center;
    gap: 15px;
}

.relationship-entity-name span,
.relationship-entity-name strong {
    display: block;
}

.relationship-entity-name span {
    color: var(--text-muted);
    font-size: 0.61rem;
    text-transform: uppercase;
    letter-spacing: 0.055em;
}

.relationship-entity-name strong {
    margin-top: 5px;
    overflow: hidden;
    color: #fff;
    font-size: 0.79rem;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.relationship-card-arrow {
    display: grid;
    grid-template-columns: auto minmax(28px, 1fr) auto;
    align-items: center;
    gap: 7px;
}

.cardinality-badge {
    width: 25px;
    height: 25px;
    display: grid;
    place-items: center;
    border: 1px solid rgba(96, 165, 250, 0.19);
    border-radius: 50%;
    color: #bfdbfe;
    background: rgba(37, 99, 235, 0.08);
    font-size: 0.63rem;
    font-weight: 850;
}

.connection-line {
    position: relative;
    height: 1px;
    background: linear-gradient(90deg, rgba(96, 165, 250, 0.16), rgba(34, 211, 238, 0.62), rgba(96, 165, 250, 0.16));
}

    .connection-line span {
        position: absolute;
        top: 50%;
        left: 50%;
        width: 6px;
        height: 6px;
        border-radius: 50%;
        background: #22d3ee;
        transform: translate(-50%, -50%);
        box-shadow: 0 0 10px rgba(34, 211, 238, 0.45);
    }

.relationship-details {
    display: flex;
    flex-wrap: wrap;
    gap: 7px;
}

    .relationship-details span {
        padding: 5px 8px;
        border: 1px solid rgba(148, 163, 184, 0.1);
        border-radius: 999px;
        color: var(--text-muted);
        background: rgba(255, 255, 255, 0.017);
        font-size: 0.62rem;
        font-weight: 650;
    }

.relationship-delete-button {
    position: absolute;
    top: 50%;
    right: 16px;
    width: 29px;
    height: 29px;
    display: grid;
    place-items: center;
    border: 1px solid rgba(248, 113, 113, 0.14);
    border-radius: 8px;
    color: #fda4af;
    background: rgba(127, 29, 29, 0.08);
    cursor: pointer;
    font-size: 1rem;
    transform: translateY(-50%);
}

    .relationship-delete-button:hover {
        border-color: rgba(248, 113, 113, 0.3);
        color: #fecdd3;
        background: rgba(127, 29, 29, 0.18);
    }

/* Responsive */

@media (max-width: 1120px) {
    .relationship-page-header {
        grid-template-columns: 1fr;
        align-items: start;
    }

    .relationship-header-stats {
        width: min(100%, 520px);
    }

    .workspace-progress {
        grid-template-columns: repeat(4, minmax(0, 1fr));
    }

    .progress-line {
        display: none;
    }

    .relationship-layout {
        grid-template-columns: 285px minmax(0, 1fr);
    }
}

@media (max-width: 860px) {
    .workspace-progress {
        overflow-x: auto;
        grid-template-columns: repeat(4, minmax(145px, 1fr));
    }

    .relationship-layout {
        grid-template-columns: 1fr;
    }

    .relationship-form-card {
        position: static;
    }

    .entity-diagram {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 680px) {
    .relationship-workspace {
        padding-top: 22px;
        padding-bottom: 75px;
    }

    .workspace-progress,
    .relationship-page-header,
    .relationship-toolbar,
    .relationship-status,
    .relationship-layout,
    .relationship-list-card {
        width: min(calc(100% - 24px), 100%);
    }

        .relationship-page-header h1 {
            font-size: clamp(2.25rem, 11vw, 3.25rem);
        }

    .relationship-header-stats {
        width: 100%;
        grid-template-columns: repeat(3, 1fr);
    }

    .relationship-stat-card {
        min-width: 0;
        min-height: 92px;
        padding: 13px;
    }

    .relationship-toolbar {
        align-items: stretch;
        flex-direction: column;
    }

    .toolbar-spacer {
        display: none;
    }

    .relationship-toolbar .button {
        width: 100%;
    }

    .relationship-diagram-header,
    .relationship-list-header {
        align-items: stretch;
        flex-direction: column;
    }

    .diagram-header-meta {
        justify-content: flex-start;
    }

    .relationship-item-main {
        grid-template-columns: 1fr;
        gap: 11px;
    }

    .relationship-card-arrow {
        max-width: 260px;
    }
}

@media (max-width: 460px) {
    .workspace-progress,
    .relationship-page-header,
    .relationship-toolbar,
    .relationship-status,
    .relationship-layout,
    .relationship-list-card {
        width: min(calc(100% - 18px), 100%);
    }

    .relationship-header-stats {
        grid-template-columns: 1fr;
    }

    .relationship-stat-card {
        min-height: 82px;
    }

    .diagram-canvas {
        padding: 14px;
    }
}

@media (prefers-reduced-motion: reduce) {
    .diagram-entity-card,
    .relationship-item,
    .button,
    .input {
        transition: none !important;
    }
}