/* ============================================================
   Call Forwarding Diagram
   Interactive flowchart for the Phone page
   ============================================================ */

.call-forwarding-diagram {
    margin: 1.5rem 0;
    border: 1px solid var(--mud-palette-lines-default);
    border-radius: 12px;
    overflow: hidden;
    background: var(--mud-palette-surface);
}

/* ---- Header / Controls ---- */

.call-forwarding-diagram__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    background: var(--mud-palette-background-gray);
    border-bottom: 1px solid var(--mud-palette-lines-default);
    flex-wrap: wrap;
}

.call-forwarding-diagram__title {
    font-weight: 600;
    white-space: nowrap;
}

.call-forwarding-diagram__heading {
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
}

.call-forwarding-diagram__status {
    color: var(--mud-palette-text-secondary);
}

.call-forwarding-diagram__controls {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.call-forwarding-diagram__chips {
    flex-wrap: wrap;
}

.call-forwarding-diagram__chip--active {
    font-weight: 600;
    box-shadow: 0 0 0 1px rgba(79, 70, 229, 0.35);
}

.call-forwarding-diagram__fit-btn {
    flex-shrink: 0;
}

.call-forwarding-diagram__zoom-btns {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    flex-shrink: 0;
}

.call-forwarding-diagram__zoom-btn {
    min-width: 0 !important;
    width: 32px;
    height: 32px;
}

/* ---- Canvas ---- */

.call-forwarding-diagram__canvas {
    width: 100%;
    height: 720px;
    position: relative;
}

.call-forwarding-diagram__canvas--loading {
    opacity: 0;
}

.call-forwarding-diagram__canvas--ready {
    opacity: 1;
    transition: opacity 0.18s ease-in;
}

/* ---- Legend ---- */

.call-forwarding-diagram__legend {
    display: flex;
    align-items: center;
    gap: 1.25rem;
    padding: 0.5rem 1rem;
    border-top: 1px solid var(--mud-palette-lines-default);
    background: var(--mud-palette-background-gray);
    font-size: 0.75rem;
    color: var(--mud-palette-text-secondary);
    flex-wrap: wrap;
}

.call-forwarding-diagram__legend-item {
    display: flex;
    align-items: center;
    gap: 0.35rem;
}

.call-forwarding-diagram__legend-dot {
    width: 10px;
    height: 10px;
    border-radius: 3px;
    flex-shrink: 0;
}

.call-forwarding-diagram__legend-dot--start {
    background: #059669;
}

.call-forwarding-diagram__legend-dot--decision {
    background: #d97706;
    border-radius: 50%;
}

.call-forwarding-diagram__legend-dot--process {
    background: #4f46e5;
}

.call-forwarding-diagram__legend-dot--end {
    background: #7c3aed;
}

/* ============================================================
   Flow Node Widget
   ============================================================ */

.call-flow-node {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.6rem 0.9rem;
    border-radius: 8px;
    background: #fff;
    border: 2px solid #e5e7eb;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
    font-size: 0.8125rem;
    font-weight: 500;
    line-height: 1.35;
    white-space: nowrap;
    cursor: grab;
    transition: opacity 0.3s ease, box-shadow 0.2s ease, transform 0.15s ease;
    user-select: none;
    box-sizing: border-box;
}

.call-flow-node:hover {
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.12);
    transform: translateY(-1px);
}

.call-flow-node:active {
    cursor: grabbing;
}

.call-flow-node__icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    border-radius: 6px;
    flex-shrink: 0;
}

.call-flow-node__label {
    display: block;
    min-width: 0;
    white-space: pre-line;
    overflow-wrap: anywhere;
}

/* ---- Start ---- */
.call-flow-node--start {
    border-color: #059669;
}

.call-flow-node--start .call-flow-node__icon {
    background: #ecfdf5;
    color: #059669;
}

/* ---- Decision ---- */
.call-flow-node--decision {
    border-color: #d97706;
    border-style: dashed;
    border-radius: 14px;
}

.call-flow-node--decision .call-flow-node__icon {
    background: #fffbeb;
    color: #d97706;
}

/* ---- Process ---- */
.call-flow-node--process {
    border-color: #4f46e5;
}

.call-flow-node--process .call-flow-node__icon {
    background: #eef2ff;
    color: #4f46e5;
}

/* ---- End Success ---- */
.call-flow-node--end-success {
    border-color: #16a34a;
    background: #f0fdf4;
}

.call-flow-node--end-success .call-flow-node__icon {
    background: #dcfce7;
    color: #16a34a;
}

/* ---- End AI ---- */
.call-flow-node--end-ai {
    border-color: #7c3aed;
    background: #faf5ff;
}

.call-flow-node--end-ai .call-flow-node__icon {
    background: #ede9fe;
    color: #7c3aed;
}

/* ---- Note / Annotation ---- */
.call-flow-node--note {
    border-color: #d97706;
    border-style: dashed;
    border-width: 1.5px;
    background: #fffbeb;
    border-radius: 8px;
    font-size: 0.75rem;
    font-style: italic;
    font-weight: 400;
    color: var(--mud-palette-text-secondary);
    cursor: default;
    padding: 0.45rem 0.75rem;
    box-shadow: none;
    line-height: 1.45;
}

.call-flow-node--note:hover {
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    transform: none;
}

/* ---- Dimmed state ---- */
.call-flow-node--dimmed {
    opacity: 0.25;
    pointer-events: none;
}

/* ============================================================
   Animated link lines
   ============================================================ */

@keyframes callFlowDash {
    to {
        stroke-dashoffset: -30;
    }
}

.flow-link--animated {
    stroke-dasharray: 10 5;
    animation: callFlowDash 1.2s linear infinite;
}