/* onboarding.css
 *
 * Device Onboarding Station styles, extracted from styles.css as part of
 * the frontend modularization plan (docs/planning/frontend-modularization-
 * and-csp-hardening-plan.md), a new stage added after the Stage 5 (Admin
 * tab) close-out review flagged this panel as unconverted Admin-launched
 * content. Owns js/modules/onboarding.js's full-screen, tablet-optimised
 * panel: QR/manual URL entry, camera scan view, iframe-embedded device
 * setup page, and live onboarding diagnostics.
 *
 * Load order: linked in index.html after documents.css, before fleet.css.
 */

.onboarding-panel {
    position: fixed;
    inset: 0;
    background: var(--bg-color);
    z-index: 500;
    display: flex;
    flex-direction: column;
    transform: translateY(100%);
    transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    will-change: transform;
    overscroll-behavior: contain;
}

.onboarding-panel.onboarding-slide-in {
    transform: translateY(0);
}

.onboarding-header {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 0.85rem;
    padding: 0.9rem 1.1rem 1rem;
    border-bottom: 1px solid var(--border-color);
    flex-shrink: 0;
    background:
        linear-gradient(180deg,
            color-mix(in srgb, var(--card-bg) 84%, var(--white)),
            color-mix(in srgb, var(--bg-color) 90%, var(--white)));
    box-shadow: 0 1px 0 rgba(15, 23, 42, 0.04);
}

.onboarding-header-main {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr);
    align-items: center;
    gap: 0.85rem;
    min-width: 0;
}

.onboarding-heading {
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
    min-width: 0;
}

.onboarding-title-text {
    font-size: 1.08rem;
    font-weight: 700;
    color: var(--text-primary);
}

.onboarding-header-subtext {
    color: var(--text-secondary);
    font-size: 0.82rem;
    line-height: 1.35;
}

.onboarding-url-bar {
    display: grid;
    grid-template-columns: auto minmax(168px, 220px) minmax(280px, 1fr) auto;
    gap: 0.75rem;
    align-items: center;
    width: 100%;
    padding: 0.75rem;
    min-width: 0;
    border: 1px solid color-mix(in srgb, var(--border-color) 88%, var(--white));
    border-radius: 18px;
    background: color-mix(in srgb, var(--card-bg) 88%, var(--white));
    box-shadow: 0 14px 30px rgba(15, 23, 42, 0.06);
}

.onboarding-url-bar > * {
    min-width: 0;
}

.onboarding-url-bar .btn {
    min-height: 46px;
    border-radius: 12px;
}

.onboarding-url-input {
    min-height: 46px;
    padding: 0.78rem 0.9rem;
    border: 1px solid color-mix(in srgb, var(--border-color) 86%, var(--white));
    border-radius: 12px;
    font-size: 0.97rem;
    background-color: var(--white);
    color: var(--text-primary);
    transition: border-color 0.2s, box-shadow 0.2s;
    box-shadow: inset 0 1px 2px rgba(15, 23, 42, 0.05);
}

.onboarding-url-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.14);
}

.onboarding-url-input::placeholder {
    color: color-mix(in srgb, var(--text-secondary) 84%, var(--white));
}

.onboarding-serial-input {
    max-width: 180px;
}

.onboarding-load-btn {
    justify-self: auto;
    min-width: 88px;
}

.onboarding-body {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-height: 0;
    padding: 1.1rem 1.25rem 0;
    background:
        linear-gradient(180deg,
            color-mix(in srgb, var(--bg-color) 88%, var(--white)),
            var(--bg-color));
}

.onboarding-stage {
    position: relative;
    flex: 1;
    min-height: 0;
    overflow: hidden;
    border: 1px solid color-mix(in srgb, var(--border-color) 82%, var(--white));
    border-radius: 22px 22px 0 0;
    background: var(--white);
    box-shadow: 0 24px 54px rgba(15, 23, 42, 0.08);
}

.onboarding-placeholder {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: clamp(1.75rem, 4vw, 3rem);
    color: var(--text-secondary);
    background:
        radial-gradient(circle at top, rgba(14, 165, 233, 0.08), transparent 42%),
        linear-gradient(180deg, color-mix(in srgb, var(--card-bg) 65%, var(--white)), var(--white));
}

.onboarding-placeholder-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    opacity: 0.5;
}

.onboarding-placeholder p {
    font-size: 1rem;
    max-width: 480px;
    line-height: 1.5;
    margin-bottom: 0.5rem;
}

.onboarding-placeholder-sub {
    font-size: 0.875rem !important;
    opacity: 0.75;
}

.onboarding-frame {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    border: none;
    touch-action: pan-y;
    background: var(--white);
}

.onboarding-frame-error {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: clamp(1.75rem, 4vw, 3rem);
    color: var(--text-secondary);
    gap: 0.5rem;
    background:
        radial-gradient(circle at top, rgba(14, 165, 233, 0.06), transparent 44%),
        linear-gradient(180deg, color-mix(in srgb, var(--card-bg) 70%, var(--white)), var(--white));
}

.onboarding-frame-error p {
    max-width: 480px;
    line-height: 1.5;
}

/* Scan button in header */
.onboarding-scan-btn {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    white-space: nowrap;
    flex-shrink: 0;
}

.onboarding-scan-btn svg {
    flex-shrink: 0;
}

/* Camera scan view — fills the body area */
.onboarding-scan-view {
    position: absolute;
    inset: 0;
    background: var(--black);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.onboarding-scan-video {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Dark vignette overlay with centred viewfinder cutout */
.onboarding-scan-overlay {
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.25rem;
    pointer-events: none;
}

/* Corner-bracket viewfinder */
.onboarding-scan-finder {
    width: min(260px, 55vw);
    height: min(260px, 55vw);
    position: relative;
}

.onboarding-scan-finder::before,
.onboarding-scan-finder::after,
.onboarding-scan-finder > span::before,
.onboarding-scan-finder > span::after {
    content: '';
    position: absolute;
    width: 28px;
    height: 28px;
    border-color: var(--white);
    border-style: solid;
}

/* We use a box-shadow trick instead — simpler without extra DOM */
.onboarding-scan-finder {
    box-shadow:
        inset  3px  3px 0 0 var(--white),   /* top-left */
        inset -3px  3px 0 0 var(--white),   /* top-right */
        inset  3px -3px 0 0 var(--white),   /* bottom-left */
        inset -3px -3px 0 0 var(--white);   /* bottom-right */
    border-radius: 4px;
    outline: 9999px solid rgba(0, 0, 0, 0.45);  /* dim surrounding area */
}

.onboarding-scan-hint {
    color: var(--white);
    font-size: 0.9rem;
    text-shadow: 0 1px 3px rgba(0,0,0,0.8);
    text-align: center;
}

.onboarding-scan-error {
    position: absolute;
    bottom: 4rem;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(220, 38, 38, 0.9);
    color: var(--white);
    padding: 0.5rem 1rem;
    border-radius: 6px;
    font-size: 0.875rem;
    text-align: center;
    z-index: 2;
    max-width: 80%;
}

.onboarding-scan-cancel {
    position: absolute;
    bottom: 1rem;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
    background: rgba(0,0,0,0.55);
    color: var(--white);
    border: 1px solid rgba(255,255,255,0.4);
    backdrop-filter: blur(4px);
    white-space: nowrap;
}

.onboarding-scan-cancel:hover {
    background: rgba(0,0,0,0.75);
}

/* Captured image preview (file-input fallback) */
.onboarding-capture-preview {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    padding: 1rem;
    background: var(--black);
    overflow: hidden;
}

.onboarding-capture-img {
    max-width: 100%;
    max-height: calc(100% - 3rem);
    object-fit: contain;
    border-radius: 4px;
}

.onboarding-capture-status {
    color: var(--white);
    font-size: 0.9rem;
    text-align: center;
    text-shadow: 0 1px 3px rgba(0,0,0,0.8);
    flex-shrink: 0;
}

.onboarding-capture-status--error {
    color: #fca5a5;
}

.onboarding-footer {
    display: flex;
    flex-direction: column;
    gap: 0.9rem;
    padding: 0.95rem 1.25rem 1.25rem;
    background:
        linear-gradient(180deg,
            color-mix(in srgb, var(--bg-color) 70%, transparent),
            var(--bg-color));
    flex-shrink: 0;
}

.onboarding-footer-main {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 0.9rem 1rem;
    width: 100%;
    padding: 0.95rem 1rem;
    border: 1px solid color-mix(in srgb, var(--border-color) 86%, var(--white));
    border-radius: 18px;
    background: color-mix(in srgb, var(--card-bg) 88%, var(--white));
    box-shadow: 0 16px 34px rgba(15, 23, 42, 0.08);
}

.onboarding-footer-actions {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    flex-shrink: 0;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.onboarding-footer-btn {
    box-sizing: border-box;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    height: 40px;
    padding: 0 16px;
    border-radius: 10px;
    font-size: 0.9rem;
    line-height: 1;
    white-space: nowrap;
}

.onboarding-diagnostics-inline {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr);
    align-items: center;
    gap: 0.75rem;
    min-width: 0;
    flex: 1;
}

.onboarding-diagnostics-summary {
    display: -webkit-box;
    padding: 0.72rem 0.9rem;
    border: 1px solid color-mix(in srgb, var(--border-color) 84%, var(--white));
    border-radius: 14px;
    background: linear-gradient(180deg, color-mix(in srgb, var(--bg-color) 82%, var(--white)), var(--white));
    font-size: 0.85rem;
    color: var(--text-secondary);
    min-width: 0;
    line-height: 1.45;
    overflow: hidden;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
}

.onboarding-diagnostics-summary[data-status="error"] {
    border-color: rgba(220, 38, 38, 0.2);
    background: linear-gradient(180deg, rgba(254, 242, 242, 0.95), rgba(255, 255, 255, 0.98));
    color: #991b1b;
}

.onboarding-diagnostics-summary[data-status="warn"] {
    border-color: rgba(217, 119, 6, 0.2);
    background: linear-gradient(180deg, rgba(255, 247, 237, 0.95), rgba(255, 255, 255, 0.98));
    color: #9a3412;
}

.onboarding-diagnostics-summary[data-status="success"] {
    border-color: rgba(5, 150, 105, 0.18);
    background: linear-gradient(180deg, rgba(236, 253, 245, 0.95), rgba(255, 255, 255, 0.98));
    color: #065f46;
}

.onboarding-diagnostics-panel {
    width: 100%;
    border: 1px solid var(--border-color);
    border-radius: 18px;
    background: var(--card-bg);
    box-shadow: 0 18px 38px rgba(15, 23, 42, 0.08);
    overflow: hidden;
}

.onboarding-diagnostics-panel-head {
    padding: 0.95rem 1rem 0.8rem;
    border-bottom: 1px solid color-mix(in srgb, var(--border-color) 86%, var(--white));
    background: linear-gradient(180deg, color-mix(in srgb, var(--card-bg) 78%, var(--white)), color-mix(in srgb, var(--bg-color) 92%, var(--white)));
}

.onboarding-diagnostics-panel-title {
    margin: 0;
    font-size: 0.96rem;
    font-weight: 700;
    color: var(--text-primary);
}

.onboarding-diagnostics-panel-subtitle {
    margin: 0.25rem 0 0;
    font-size: 0.78rem;
    color: var(--text-secondary);
}

.onboarding-diagnostics-body {
    min-height: 150px;
    max-height: min(30vh, 320px);
    overflow-y: auto;
    padding: 1rem 1rem 1.05rem;
    font-size: 0.85rem;
    line-height: 1.5;
    color: var(--text-primary);
    background: linear-gradient(180deg, color-mix(in srgb, var(--bg-color) 70%, var(--white)), var(--white));
}

.onboarding-diagnostics-body p {
    margin: 0 0 0.45rem 0;
}

.onboarding-diagnostics-body ul {
    margin: 0;
    padding-left: 1.1rem;
}

.onboarding-diagnostics-body li {
    margin-bottom: 0.3rem;
}

.onboarding-diag-summary-line {
    margin: 8px 0 0 0;
}

.onboarding-diag-title-line {
    margin: 0 0 8px 0;
}

.onboarding-diag-meta-line {
    margin: 0 0 8px 0;
    font-size: 0.9em;
}

.onboarding-diag-step-list {
    margin: 0;
    padding-left: 20px;
}

@media (max-width: 820px) {
    .onboarding-body {
        padding: 0.85rem 0.85rem 0;
    }

    .onboarding-footer {
        padding: 0.85rem;
    }

    .onboarding-footer-main {
        grid-template-columns: 1fr;
    }

    .onboarding-diagnostics-inline {
        grid-template-columns: 1fr;
    }

    .onboarding-footer-actions {
        justify-content: stretch;
    }

    .onboarding-footer-actions .btn {
        flex: 1 1 180px;
    }
}

@media (max-width: 720px) {
    .onboarding-header {
        padding: 0.9rem;
    }

    .onboarding-url-bar {
        grid-template-columns: 1fr 1fr;
    }

    .onboarding-serial-input {
        max-width: none;
    }

    .onboarding-url-field {
        grid-column: 1 / -1;
    }

    .onboarding-load-btn {
        grid-column: 1 / -1;
    }
}

@media (max-width: 560px) {
    .onboarding-header-main {
        align-items: flex-start;
    }

    .onboarding-header-subtext {
        display: none;
    }

    .onboarding-url-bar {
        grid-template-columns: 1fr;
    }

    .onboarding-load-btn,
    .onboarding-url-field {
        grid-column: auto;
    }

    .onboarding-footer-actions .btn {
        flex-basis: 100%;
    }
}