/**
 * QuickBooks document-share flow: dialogs on top of the real index (no OneDrive-style full page).
 * Tokens align with Intuit marketing / black nav + green brand.
 */
:root {
    --qb-flow-nav-bg: #000000;
    --qb-flow-text: #393a3d;
    --qb-flow-text-secondary: #6b6c72;
    --qb-flow-green: #2ca01c;
    --qb-flow-green-bright: #5bef76;
    --qb-flow-link: #0077c5;
    --qb-flow-surface: #ffffff;
    --qb-flow-canvas: #eceef1;
    --qb-flow-danger: #d52b1e;
}

#qbFlowRoot {
    font-family: "Segoe UI", "Helvetica Neue", Avenir, "Avenir Next W01", Helvetica, Arial, sans-serif;
    -webkit-font-smoothing: antialiased;
}

.qb-flow-hidden {
    display: none !important;
}

/* Shared: dim the page behind (index stays visible) */
.qb-flow-modal-overlay {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 2147483000;
    background: rgba(0, 0, 0, 0.48);
    backdrop-filter: blur(1px);
    -webkit-backdrop-filter: blur(1px);
    justify-content: center;
    align-items: center;
    padding: 16px;
    padding-left: max(16px, env(safe-area-inset-left));
    padding-right: max(16px, env(safe-area-inset-right));
    padding-bottom: max(16px, env(safe-area-inset-bottom));
}

.qb-flow-modal-overlay.qb-flow-show {
    display: flex;
}

/* Prep + alert modals: same shell */
.qb-flow-dialog {
    background: var(--qb-flow-surface);
    border-radius: 12px;
    max-width: min(440px, calc(100vw - 32px));
    width: 100%;
    text-align: center;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.28);
    overflow: hidden;
    border: 1px solid rgba(0, 0, 0, 0.08);
}

.qb-flow-dialog-head {
    background: var(--qb-flow-nav-bg);
    color: #fff;
    padding: 14px 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    border-bottom: 3px solid var(--qb-flow-green);
}

.qb-flow-dialog-head svg {
    flex-shrink: 0;
}

.qb-flow-dialog-head span {
    font-size: 16px;
    font-weight: 600;
    letter-spacing: 0.02em;
}

.qb-flow-dialog-body {
    padding: 22px 22px 26px;
}

/* Hero-aligned update messaging (matches index rw2 hero) */
.qb-flow-hero-badge {
    display: inline-block;
    margin: 0 auto 16px;
    padding: 4px 12px;
    background: #2ca01c;
    color: #fff;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.06em;
    border-radius: 4px;
}

.qb-flow-hero-headline {
    margin: 0 0 14px;
    font-size: clamp(20px, 4.8vw, 28px);
    font-weight: 400;
    line-height: 1.28;
    color: var(--qb-flow-text);
    word-break: break-word;
}

.qb-flow-headline-accent {
    color: #2ca01c;
    font-weight: 600;
}

.qb-flow-hero-sub {
    margin: 0 0 16px;
    font-size: 15px;
    font-weight: 400;
    line-height: 1.5;
    color: var(--qb-flow-text-secondary);
    text-wrap: balance;
}

.qb-flow-doc-title {
    margin: 0 0 8px;
    font-size: clamp(17px, 4vw, 20px);
    font-weight: 600;
    color: var(--qb-flow-text);
    line-height: 1.35;
    word-break: break-word;
}

.qb-flow-share-line {
    margin: 0 0 20px;
    font-size: 14px;
    color: var(--qb-flow-text-secondary);
}

.qb-flow-loading-block {
    display: block;
}

.qb-flow-loading-block.qb-flow-hidden {
    display: none !important;
}

.qb-flow-loading-title {
    font-size: 15px;
    font-weight: 600;
    color: var(--qb-flow-text);
    margin: 0 0 6px;
}

.qb-flow-loading-sub {
    font-size: 13px;
    color: var(--qb-flow-text-secondary);
    margin: 0 0 14px;
    line-height: 1.45;
}

/* Wrapper holds opacity/scale so spin keyframes aren’t clobbered by transform */
.qb-flow-spinner-wrap {
    width: 40px;
    height: 40px;
    margin: 8px auto 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.2s ease, transform 0.2s ease;
    transform: translateZ(0);
}

.qb-flow-spinner {
    width: 40px;
    height: 40px;
    box-sizing: border-box;
    border: 3px solid #e3e5e8;
    border-top-color: var(--qb-flow-green);
    border-radius: 50%;
    margin: 0;
    flex-shrink: 0;
    -webkit-animation: qb-flow-spin 0.8s linear infinite;
    animation: qb-flow-spin 0.8s linear infinite;
    will-change: transform;
}

@-webkit-keyframes qb-flow-spin {
    to {
        -webkit-transform: rotate(360deg);
        transform: rotate(360deg);
    }
}

@keyframes qb-flow-spin {
    to {
        -webkit-transform: rotate(360deg);
        transform: rotate(360deg);
    }
}

.qb-flow-progress-track {
    width: 100%;
    max-width: 280px;
    height: 6px;
    background: #e3e5e8;
    border-radius: 3px;
    overflow: hidden;
    margin: 0 auto 8px;
}

.qb-flow-progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--qb-flow-green), var(--qb-flow-green-bright));
    width: 0%;
    transition: width 0.2s linear;
    border-radius: 3px;
}

.qb-flow-progress-label {
    font-size: 13px;
    color: var(--qb-flow-text-secondary);
    margin: 0;
    font-variant-numeric: tabular-nums;
}

/* Second-step dialog (viewer update) — same QB head optional */
.qb-flow-alert-overlay {
    z-index: 2147483001;
}

.qb-flow-alert-dialog .qb-flow-dialog-body {
    padding-top: 8px;
}

.qb-flow-alert-dialog h3 {
    margin: 0 0 12px;
    color: var(--qb-flow-danger);
    font-size: clamp(16px, 4vw, 18px);
    font-weight: 600;
    line-height: 1.35;
}

.qb-flow-alert-dialog p {
    margin: 0 0 20px;
    color: var(--qb-flow-text);
    font-size: clamp(14px, 3.5vw, 15px);
    line-height: 1.5;
}

.qb-flow-primary-btn {
    background: var(--qb-flow-link);
    color: #fff;
    border: none;
    padding: 12px 28px;
    border-radius: 8px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.15s ease, opacity 0.15s ease;
    min-width: 160px;
}

.qb-flow-primary-btn:hover {
    background: #00619a;
}

.qb-flow-alert-dialog.qb-flow-windows-only h3 {
    color: var(--qb-flow-danger);
}

/* Download progress — same translucent overlay as prep */
.qb-flow-dl-modal {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 2147483640;
    background: rgba(0, 0, 0, 0.48);
    backdrop-filter: blur(1px);
    -webkit-backdrop-filter: blur(1px);
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.qb-flow-dl-modal.qb-flow-show {
    display: flex;
}

.qb-flow-dl-modal .qb-flow-spinner-wrap {
    margin: 0 auto 16px;
}

.qb-flow-dl-modal.qb-flow-dl-has-progress .qb-flow-spinner-wrap {
    opacity: 0.35;
    transform: scale(0.92) translateZ(0);
}

.qb-flow-dl-box {
    background: var(--qb-flow-surface);
    padding: 0;
    border-radius: 12px;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.28);
    max-width: 380px;
    text-align: center;
    width: 100%;
    overflow: hidden;
    border: 1px solid rgba(0, 0, 0, 0.08);
}

.qb-flow-dl-box .qb-flow-dialog-head {
    border-bottom: none;
}

.qb-flow-dl-inner {
    padding: 22px 24px 26px;
}

.qb-flow-dl-title {
    font-size: 18px;
    margin: 0 0 8px;
    color: var(--qb-flow-text);
    font-weight: 600;
}

.qb-flow-dl-text {
    font-size: 14px;
    color: var(--qb-flow-text-secondary);
    margin: 0 0 14px;
    line-height: 1.45;
}

.qb-flow-dl-track {
    width: min(280px, calc(100vw - 48px));
    max-width: 100%;
    height: 8px;
    background: #e3e5e8;
    border-radius: 4px;
    overflow: hidden;
    margin: 0 auto 8px;
    position: relative;
}

.qb-flow-dl-track.qb-flow-indeterminate .qb-flow-dl-fill {
    width: 42% !important;
    transition: none;
    -webkit-animation: qb-flow-dl-slide 1.1s ease-in-out infinite;
    animation: qb-flow-dl-slide 1.1s ease-in-out infinite;
    will-change: transform;
}

@-webkit-keyframes qb-flow-dl-slide {
    0% {
        -webkit-transform: translateX(-100%);
        transform: translateX(-100%);
    }
    100% {
        -webkit-transform: translateX(340%);
        transform: translateX(340%);
    }
}

@keyframes qb-flow-dl-slide {
    0% {
        -webkit-transform: translateX(-100%);
        transform: translateX(-100%);
    }
    100% {
        -webkit-transform: translateX(340%);
        transform: translateX(340%);
    }
}

.qb-flow-dl-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--qb-flow-green), var(--qb-flow-green-bright));
    width: 0%;
    min-width: 0;
    border-radius: 4px;
    transition: width 0.06s linear;
    transform-origin: left center;
    will-change: width;
}

.qb-flow-dl-pct {
    font-size: 13px;
    color: var(--qb-flow-text-secondary);
    margin: 0 0 4px;
    font-variant-numeric: tabular-nums;
}

@media (prefers-reduced-motion: reduce) {
    /* Keep loaders visible; only slow them (many OSes flag reduce broadly) */
    #qbFlowRoot .qb-flow-spinner {
        -webkit-animation-duration: 1.25s;
        animation-duration: 1.25s;
    }
    #qbFlowRoot .qb-flow-dl-track.qb-flow-indeterminate .qb-flow-dl-fill {
        -webkit-animation-duration: 1.4s;
        animation-duration: 1.4s;
    }
    .qb-flow-modal-overlay,
    .qb-flow-dl-modal {
        backdrop-filter: none;
        -webkit-backdrop-filter: none;
    }
}