:root {
    --app-ink: #12263a;
    --app-ink-soft: #5d6d7d;
    --app-bg: #edf1f5;
    --app-panel: #ffffff;
    --app-line: #d9e1e8;
    --app-brand: #164b63;
    --app-brand-deep: #0d2533;
    --app-accent: #c97735;
    --app-accent-soft: #eb9f63;
}

html {
    scroll-behavior: smooth;
}

body {
    min-height: 100vh;
    background:
        radial-gradient(circle at top right, rgba(201, 119, 53, 0.11), transparent 28%),
        radial-gradient(circle at left top, rgba(22, 75, 99, 0.08), transparent 22%),
        linear-gradient(180deg, #f8fafc 0%, var(--app-bg) 100%);
    color: var(--app-ink);
    font-family: "Aptos", "Segoe UI", "Helvetica Neue", Arial, sans-serif;
    line-height: 1.5;
}

.app-main {
    width: min(1760px, calc(100vw - 1rem));
    margin-inline: auto;
    padding-bottom: 2.5rem;
}

.login-page {
    background: linear-gradient(180deg, #16324f 0%, #f3f5f8 100%);
    min-height: 100vh;
}

.app-navbar {
    position: sticky;
    top: 0;
    z-index: 1030;
    background: linear-gradient(90deg, #0d2533 0%, var(--app-brand-deep) 45%, var(--app-brand) 100%);
    box-shadow: 0 0.75rem 2rem rgba(13, 37, 51, 0.18);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.app-nav-inner {
    gap: 1rem;
}

.app-navbar .navbar-toggler {
    border-color: rgba(255, 255, 255, 0.35);
}

.app-navbar .navbar-toggler-icon {
    filter: invert(1);
}

.app-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: #fff;
    font-weight: 700;
    letter-spacing: 0.03em;
    font-size: 1rem;
}

.brand-mark {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.35rem;
    height: 2.35rem;
    border-radius: 0.85rem;
    background: rgba(255, 255, 255, 0.12);
    border: 1px solid rgba(255, 255, 255, 0.16);
    font-size: 0.8rem;
    letter-spacing: 0.08em;
}

.app-nav .nav-link {
    color: rgba(255, 255, 255, 0.96);
    font-weight: 650;
    padding: 0.5rem 0.85rem;
    border-radius: 999px;
    transition: background-color 0.15s ease, color 0.15s ease, box-shadow 0.15s ease, transform 0.15s ease;
}

.app-nav .nav-link:hover,
.app-nav .nav-link:focus {
    background: rgba(255, 255, 255, 0.15);
    color: #fff;
    box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.14);
    transform: translateY(-1px);
}

.app-nav .nav-link.active {
    background: rgba(255, 255, 255, 0.2);
    box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.18);
}

.app-user {
    text-align: right;
    color: #fff;
    padding: 0.35rem 0.75rem;
    border-radius: 0.9rem;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.14);
}

.app-account-bar {
    min-width: max-content;
}

.user-name {
    font-weight: 600;
    line-height: 1.1;
}

.user-caption {
    font-size: 0.78rem;
    opacity: 0.88;
}

.app-logout {
    border-color: rgba(255, 255, 255, 0.82);
    background: rgba(255, 255, 255, 0.12);
    color: #fff;
    font-weight: 700;
    box-shadow: 0 0.2rem 0.75rem rgba(0, 0, 0, 0.1);
}

.app-logout:hover,
.app-logout:focus {
    border-color: #fff;
    background: #fff;
    color: var(--app-brand-deep);
}

.app-alert-stack {
    display: grid;
    gap: 0.65rem;
}

.app-alert {
    border: 0;
    box-shadow: 0 0.4rem 1.1rem rgba(18, 38, 58, 0.08);
}

.hero-panel {
    padding: 1.65rem;
    border-radius: 1.25rem;
    background:
        radial-gradient(circle at top right, rgba(255, 255, 255, 0.1), transparent 30%),
        linear-gradient(135deg, rgba(15, 76, 92, 0.98), rgba(11, 49, 66, 0.98));
    color: #fff;
    box-shadow: 0 1rem 2.4rem rgba(15, 49, 66, 0.16);
}

.eyebrow {
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-size: 0.78rem;
    opacity: 0.72;
    margin-bottom: 0.5rem;
}

.hero-title {
    font-size: clamp(2rem, 3vw, 2.8rem);
    font-weight: 700;
    margin-bottom: 0.45rem;
}

.hero-copy {
    max-width: 44rem;
    opacity: 0.84;
}

.hero-chip {
    padding: 0.6rem 0.95rem;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.12);
    border: 1px solid rgba(255, 255, 255, 0.16);
    font-weight: 600;
}

.stat-card {
    border: 0;
    box-shadow: 0 0.35rem 1rem rgba(15, 23, 42, 0.08);
    border-radius: 1rem;
    background: linear-gradient(180deg, #fff 0%, #fbfcfd 100%);
    transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.stat-card-link {
    display: block;
    color: inherit;
    text-decoration: none;
}

.stat-card-link:hover .stat-card,
.stat-card-link:focus .stat-card {
    transform: translateY(-2px);
    box-shadow: 0 0.7rem 1.4rem rgba(15, 23, 42, 0.12);
}

.stat-label {
    color: var(--app-ink-soft);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.stat-value {
    font-size: 2rem;
    font-weight: 700;
}

.stat-foot {
    margin-top: 0.35rem;
    color: var(--app-ink-soft);
    font-size: 0.85rem;
}

.app-card,
.card {
    border: 1px solid var(--app-line);
    border-radius: 1rem;
    box-shadow: 0 0.35rem 1.2rem rgba(18, 38, 58, 0.06);
    color: var(--app-ink);
}

.app-card-header,
.card-header {
    background: linear-gradient(180deg, #fbfcfd 0%, #f4f7f9 100%);
    border-bottom: 1px solid var(--app-line);
    font-weight: 650;
    color: var(--app-ink);
}

.app-primary-btn {
    background: var(--app-accent);
    border-color: var(--app-accent);
    color: #fff;
}

.app-primary-btn:hover,
.app-primary-btn:focus {
    background: #bf7532;
    border-color: #bf7532;
    color: #fff;
}

.app-status-pill {
    display: inline-flex;
    align-items: center;
    padding: 0.35rem 0.7rem;
    border-radius: 999px;
    background: #e5edf2;
    color: var(--app-brand-deep);
    font-size: 0.82rem;
    font-weight: 600;
}

.table-link {
    color: var(--app-brand);
    font-weight: 600;
    text-decoration: none;
}

.table-link:hover {
    text-decoration: underline;
}

.table thead th {
    color: var(--app-ink-soft);
    font-size: 0.82rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    border-bottom-color: var(--app-line);
}

.table > :not(caption) > * > * {
    padding-top: 0.8rem;
    padding-bottom: 0.8rem;
}

.table-hover > tbody > tr:hover > * {
    background-color: rgba(22, 75, 99, 0.035);
}

.checksum {
    word-break: break-all;
    font-family: monospace;
}

details > summary {
    cursor: pointer;
    list-style: none;
    user-select: none;
}

details > summary::-webkit-details-marker {
    display: none;
}

details.border {
    background: rgba(255, 255, 255, 0.72);
    border-color: var(--app-line) !important;
    box-shadow: 0 0.35rem 1rem rgba(15, 23, 42, 0.05);
    color: var(--app-ink);
}

details > summary.bg-light {
    background: linear-gradient(180deg, #fbfcfd 0%, #f4f7f9 100%) !important;
    color: var(--app-ink);
}

.app-soft-panel {
    background: rgba(255, 255, 255, 0.72);
    border: 1px solid var(--app-line);
    border-radius: 1rem;
    box-shadow: 0 0.35rem 1rem rgba(15, 23, 42, 0.05);
    color: var(--app-ink);
}

.bg-light,
.bg-light-subtle,
.list-group-item,
.table,
.form-control,
.form-select {
    color: var(--app-ink);
}

.bg-dark,
.app-navbar,
.hero-panel {
    color: #fff;
}

.table .text-muted,
.card .text-muted,
.app-soft-panel .text-muted,
details.border .text-muted {
    color: var(--app-ink-soft) !important;
}

.btn,
.form-control,
.form-select {
    border-radius: 0.8rem;
}

.form-label {
    font-weight: 600;
    color: var(--app-ink);
    margin-bottom: 0.35rem;
}

.form-text {
    color: var(--app-ink-soft);
}

.app-soft-panel .form-check {
    padding-left: 1.6rem;
}

.app-soft-panel .form-check-input {
    margin-top: 0.18rem;
}

.form-control:focus,
.form-select:focus {
    border-color: rgba(22, 75, 99, 0.5);
    box-shadow: 0 0 0 0.25rem rgba(22, 75, 99, 0.12);
}

.btn-primary,
.app-primary-btn {
    box-shadow: 0 0.35rem 0.9rem rgba(201, 119, 53, 0.18);
}

.btn-outline-secondary,
.btn-outline-primary,
.btn-outline-success,
.btn-outline-danger {
    border-width: 1.5px;
}

.app-soft-panel .form-control,
.app-soft-panel .form-select,
.card .form-control,
.card .form-select {
    background-color: #fff;
}

.review-page {
    display: grid;
    gap: 1rem;
}

.review-workspace {
    --review-preview-width: 58%;
    display: flex;
    min-height: 72vh;
    border: 1px solid var(--app-line);
    border-radius: 1rem;
    overflow: hidden;
    background: rgba(255, 255, 255, 0.72);
    box-shadow: 0 0.35rem 1rem rgba(15, 23, 42, 0.05);
}

.review-pane {
    min-width: 0;
    display: flex;
    flex-direction: column;
}

.review-pane-preview {
    width: var(--review-preview-width);
    min-width: 20rem;
    background: #eef3f7;
}

.review-pane-sidebar {
    flex: 1 1 auto;
    min-width: 22rem;
    background: #fff;
    overflow: auto;
}

.review-splitter {
    width: 0.8rem;
    cursor: col-resize;
    background: linear-gradient(180deg, #dce5ec 0%, #c6d2dc 100%);
    border-inline: 1px solid rgba(18, 38, 58, 0.08);
}

.review-splitter:hover {
    background: linear-gradient(180deg, #d1dde7 0%, #bcc9d4 100%);
}

.review-split-active {
    cursor: col-resize;
    user-select: none;
}

.review-pane-header {
    display: flex;
    justify-content: space-between;
    align-items: start;
    gap: 1rem;
    padding: 1rem 1rem 0.75rem;
    border-bottom: 1px solid rgba(18, 38, 58, 0.08);
}

.review-pane-title {
    font-weight: 700;
}

.review-pane-subtitle {
    color: var(--app-ink-soft);
    font-size: 0.9rem;
}

.review-preview-frame {
    flex: 1 1 auto;
    min-height: 30rem;
    background: linear-gradient(180deg, #dde7ef 0%, #f6f9fb 100%);
}

.review-preview-frame iframe {
    width: 100%;
    height: 100%;
    border: 0;
    background: #fff;
}

.review-preview-empty {
    display: grid;
    place-items: center;
    height: 100%;
    padding: 2rem;
    text-align: center;
}

.review-summary-strip {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.75rem;
    padding: 1rem;
}

.review-summary-chip {
    padding: 0.85rem 1rem;
    border-radius: 0.9rem;
    background: #f4f7f9;
    border: 1px solid var(--app-line);
}

.review-summary-chip span {
    display: block;
    color: var(--app-ink-soft);
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.review-summary-chip strong {
    display: block;
    margin-top: 0.25rem;
}

.review-comments-panel,
.review-existing-comments,
.review-foldout {
    margin-inline: 1rem;
}

.review-comments-panel {
    padding: 1rem;
    border: 1px solid var(--app-line);
    border-radius: 1rem;
    background: #fbfcfd;
}

.review-comments-header {
    margin-bottom: 1rem;
}

.review-entry-table {
    margin-bottom: 0;
}

.review-entry-table th {
    background: #f3f6f8;
    position: sticky;
    top: 0;
}

.review-entry-table textarea {
    min-height: 4.5rem;
    resize: vertical;
}

.review-comment-card {
    padding: 1rem;
    border: 1px solid var(--app-line);
    border-radius: 1rem;
    background: #fff;
}

.review-comment-meta,
.review-comment-tags {
    display: flex;
    justify-content: space-between;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.review-comment-tags {
    margin-top: 0.6rem;
}

.review-comment-body {
    margin-top: 0.75rem;
    white-space: pre-wrap;
}

.review-response-block {
    margin-top: 0.85rem;
    padding: 0.85rem 1rem;
    border-left: 3px solid var(--app-accent);
    background: #fbf7f2;
    border-radius: 0.75rem;
}

.review-foldout {
    border: 1px solid var(--app-line);
    border-radius: 1rem;
    background: #fbfcfd;
}

.review-foldout summary {
    padding: 0.9rem 1rem;
    font-weight: 650;
}

.review-foldout-body {
    padding: 0 1rem 1rem;
}

@media (max-width: 991.98px) {
    .review-workspace {
        display: grid;
        min-height: auto;
    }

    .review-pane-preview,
    .review-pane-sidebar {
        width: 100%;
        min-width: 0;
    }

    .review-splitter {
        display: none;
    }

    .review-preview-frame {
        min-height: 24rem;
    }
}