/* ============================================================
   DocuTrace design system — same family as TorreControl.
   Tokens first (light + dark via html[data-theme]); Bootstrap
   stays for grid/utilities, these variables restyle everything.
   ============================================================ */

:root,
html[data-theme='dark'] {
    --dt-bg: #0a1322;
    --dt-panel: #0f1b2e;
    --dt-card: #101d31;
    --dt-border: #20304b;
    --dt-text: #e8eef8;
    --dt-text-muted: #8ea3bf;
    --dt-accent: #4f8ef7;
    --dt-accent-soft: #14263f;
    --dt-sidebar-bg: #0c1626;
    --dt-sidebar-text: #c6d3e6;
    --dt-sidebar-muted: #6e82a0;
    --dt-sidebar-active-bg: #1b3a6b;
    --dt-sidebar-active-text: #ffffff;
    --dt-topbar-bg: #0c1626;
    --dt-shadow: 0 1px 3px rgba(0, 0, 0, .35);
    --dt-ok: #34c77b;
    --dt-warning: #f5a524;
    --dt-danger: #ef5350;
    --dt-info: #38bdf8;
    --dt-mono: 'Cascadia Code', 'Consolas', 'SFMono-Regular', Menlo, monospace;
    color-scheme: dark;
}

html[data-theme='light'] {
    --dt-bg: #f2f5fa;
    --dt-panel: #ffffff;
    --dt-card: #ffffff;
    --dt-border: #e2e8f2;
    --dt-text: #17233a;
    --dt-text-muted: #64748f;
    --dt-accent: #2f6fed;
    --dt-accent-soft: #e6eefc;
    --dt-sidebar-bg: #ffffff;
    --dt-sidebar-text: #334155;
    --dt-sidebar-muted: #7c8aa5;
    --dt-sidebar-active-bg: #e6eefc;
    --dt-sidebar-active-text: #2f6fed;
    --dt-topbar-bg: #ffffff;
    --dt-shadow: 0 1px 3px rgba(23, 35, 58, .07);
    --dt-ok: #17a35c;
    --dt-warning: #e8930c;
    --dt-danger: #de3b3b;
    --dt-info: #1993c6;
    color-scheme: light;
}

html {
    font-size: 14px;
}

body {
    font-family: 'Segoe UI', 'Helvetica Neue', Helvetica, Arial, sans-serif;
    background-color: var(--dt-bg);
    color: var(--dt-text);
}

h1, h2, h3, h4, h5, h6 {
    color: var(--dt-text);
    font-weight: 600;
}

a, .btn-link {
    color: var(--dt-accent);
    text-decoration: none;
}

a:hover {
    color: var(--dt-accent);
    text-decoration: underline;
}

.text-muted {
    color: var(--dt-text-muted) !important;
}

code, .dt-mono {
    font-family: var(--dt-mono);
    color: var(--dt-text);
}

/* ---------- App shell: sidebar + topbar ---------- */

.dt-shell {
    display: flex;
    min-height: 100vh;
}

.dt-sidebar {
    width: 248px;
    flex-shrink: 0;
    background: var(--dt-sidebar-bg);
    border-right: 1px solid var(--dt-border);
    display: flex;
    flex-direction: column;
    position: sticky;
    top: 0;
    height: 100vh;
    overflow-y: auto;
}

.dt-brand {
    display: flex;
    align-items: center;
    gap: .7rem;
    padding: 1rem 1.1rem;
    border-bottom: 1px solid var(--dt-border);
}

.dt-brand-logo {
    width: 38px;
    height: 38px;
    border-radius: 10px;
    background: var(--dt-accent);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    flex-shrink: 0;
}

.dt-brand-title {
    font-weight: 700;
    letter-spacing: .04em;
    font-size: .95rem;
    color: var(--dt-text);
    line-height: 1.15;
}

.dt-brand-subtitle {
    font-size: .72rem;
    color: var(--dt-sidebar-muted);
}

.dt-nav {
    padding: .6rem .6rem 1rem;
    flex-grow: 1;
}

.dt-nav-section {
    font-size: .68rem;
    font-weight: 700;
    letter-spacing: .09em;
    text-transform: uppercase;
    color: var(--dt-sidebar-muted);
    padding: 1rem .6rem .35rem;
}

.dt-nav-item {
    display: flex;
    align-items: center;
    gap: .7rem;
    padding: .5rem .6rem;
    border-radius: 9px;
    color: var(--dt-sidebar-text);
    margin-bottom: 2px;
}

.dt-nav-item:hover {
    background: var(--dt-accent-soft);
    color: var(--dt-sidebar-text);
    text-decoration: none;
}

.dt-nav-item.active {
    background: var(--dt-sidebar-active-bg);
    color: var(--dt-sidebar-active-text);
}

.dt-nav-item.active .dt-nav-desc {
    color: var(--dt-sidebar-active-text);
    opacity: .75;
}

.dt-nav-item i {
    font-size: 1.05rem;
    width: 22px;
    text-align: center;
    flex-shrink: 0;
}

.dt-nav-sub {
    padding-left: 2.1rem;
}

.dt-nav-sub .dt-nav-label {
    font-weight: 500;
}

.dt-nav-label {
    line-height: 1.15;
    font-weight: 600;
    font-size: .84rem;
}

.dt-nav-desc {
    font-size: .7rem;
    font-weight: 400;
    color: var(--dt-sidebar-muted);
}

.dt-nav-footer {
    padding: .8rem 1.1rem;
    border-top: 1px solid var(--dt-border);
    font-size: .72rem;
    color: var(--dt-sidebar-muted);
}

.dt-main {
    flex-grow: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
}

.dt-topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: .55rem 1.4rem;
    background: var(--dt-topbar-bg);
    border-bottom: 1px solid var(--dt-border);
    position: sticky;
    top: 0;
    z-index: 100;
}

.dt-topbar-chip {
    display: inline-flex;
    align-items: center;
    gap: .45rem;
    background: var(--dt-accent-soft);
    color: var(--dt-text);
    border: 1px solid var(--dt-border);
    border-radius: 8px;
    padding: .3rem .7rem;
    font-size: .8rem;
}

.dt-user {
    display: flex;
    align-items: center;
    gap: .6rem;
    text-align: right;
}

.dt-user-name {
    font-weight: 600;
    font-size: .84rem;
    line-height: 1.1;
}

.dt-user-role {
    font-size: .72rem;
    color: var(--dt-text-muted);
}

.dt-avatar {
    width: 34px;
    height: 34px;
    border-radius: 50%;
    background: var(--dt-accent);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: .9rem;
    flex-shrink: 0;
}

.dt-icon-btn {
    background: transparent;
    border: 1px solid var(--dt-border);
    border-radius: 8px;
    color: var(--dt-text-muted);
    width: 34px;
    height: 34px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
}

.dt-icon-btn:hover {
    color: var(--dt-accent);
    border-color: var(--dt-accent);
}

.dt-theme-icon-sun { display: inline; }
.dt-theme-icon-moon { display: none; }
html[data-theme='light'] .dt-theme-icon-sun { display: none; }
html[data-theme='light'] .dt-theme-icon-moon { display: inline; }

.dt-content {
    padding: 1.4rem;
    flex-grow: 1;
}

@media (max-width: 900px) {
    .dt-sidebar {
        position: fixed;
        z-index: 200;
        transform: translateX(-100%);
        transition: transform .18s ease;
    }

    .dt-sidebar.open {
        transform: translateX(0);
    }
}

/* ---------- Auth (login) cover layout ---------- */

.dt-auth {
    display: flex;
    min-height: 100vh;
}

.dt-auth-cover {
    flex: 1 1 55%;
    background:
        radial-gradient(1000px 600px at 20% 10%, rgba(79, 142, 247, .22), transparent 60%),
        radial-gradient(800px 500px at 85% 90%, rgba(34, 193, 220, .14), transparent 55%),
        #0a1322;
    color: #e8eef8;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: 3rem;
}

.dt-auth-cover .dt-brand-logo {
    width: 52px;
    height: 52px;
    font-size: 1.7rem;
    border-radius: 14px;
}

.dt-auth-headline {
    font-size: 2.1rem;
    font-weight: 700;
    line-height: 1.2;
    max-width: 34rem;
}

.dt-auth-tagline {
    color: #8ea3bf;
    max-width: 32rem;
    margin-top: .8rem;
}

.dt-auth-features {
    list-style: none;
    padding: 0;
    margin: 2rem 0 0;
    display: flex;
    flex-direction: column;
    gap: .8rem;
    color: #c6d3e6;
}

.dt-auth-features i {
    color: #4f8ef7;
    margin-right: .6rem;
}

.dt-auth-footer {
    color: #6e82a0;
    font-size: .78rem;
}

.dt-auth-panel {
    flex: 1 1 45%;
    background: var(--dt-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

.dt-auth-card {
    width: 100%;
    max-width: 400px;
}

@media (max-width: 900px) {
    .dt-auth-cover {
        display: none;
    }
}

/* ---------- Public verification layout ---------- */

.dt-public {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.dt-public-header {
    background: var(--dt-topbar-bg);
    border-bottom: 1px solid var(--dt-border);
    padding: .8rem 1.4rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.dt-public-body {
    flex-grow: 1;
    padding: 2rem 1rem;
}

.dt-public-container {
    max-width: 860px;
    margin: 0 auto;
}

.dt-public-footer {
    padding: 1rem 1.4rem;
    border-top: 1px solid var(--dt-border);
    color: var(--dt-text-muted);
    font-size: .78rem;
    text-align: center;
}

.dt-status-banner {
    border-radius: 12px;
    padding: 1.2rem 1.4rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    border: 1px solid transparent;
    margin-bottom: 1.2rem;
}

.dt-status-banner i {
    font-size: 2rem;
}

.dt-status-title {
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: .04em;
}

.dt-status-banner.valid {
    background: color-mix(in srgb, var(--dt-ok) 14%, var(--dt-card));
    border-color: color-mix(in srgb, var(--dt-ok) 45%, transparent);
}

.dt-status-banner.valid i, .dt-status-banner.valid .dt-status-title { color: var(--dt-ok); }

.dt-status-banner.superseded {
    background: color-mix(in srgb, var(--dt-warning) 14%, var(--dt-card));
    border-color: color-mix(in srgb, var(--dt-warning) 45%, transparent);
}

.dt-status-banner.superseded i, .dt-status-banner.superseded .dt-status-title { color: var(--dt-warning); }

.dt-status-banner.revoked {
    background: color-mix(in srgb, var(--dt-danger) 14%, var(--dt-card));
    border-color: color-mix(in srgb, var(--dt-danger) 45%, transparent);
}

.dt-status-banner.revoked i, .dt-status-banner.revoked .dt-status-title { color: var(--dt-danger); }

.dt-status-banner.unknown {
    background: color-mix(in srgb, var(--dt-text-muted) 12%, var(--dt-card));
    border-color: var(--dt-border);
}

.dt-status-banner.unknown i, .dt-status-banner.unknown .dt-status-title { color: var(--dt-text-muted); }

/* Definition list used for document facts (public page + detail page). */
.dt-facts {
    display: grid;
    grid-template-columns: max-content 1fr;
    gap: .45rem 1.2rem;
    margin: 0;
}

.dt-facts dt {
    color: var(--dt-text-muted);
    font-size: .74rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: .05em;
    padding-top: .15rem;
}

.dt-facts dd {
    margin: 0;
    word-break: break-word;
}

.dt-hash {
    font-family: var(--dt-mono);
    font-size: .8rem;
    word-break: break-all;
    background: var(--dt-panel);
    border: 1px solid var(--dt-border);
    border-radius: 8px;
    padding: .5rem .7rem;
    display: inline-block;
}

@media (max-width: 600px) {
    .dt-facts {
        grid-template-columns: 1fr;
    }
}

/* ---------- Wizard ---------- */

.dt-steps {
    display: flex;
    gap: .5rem;
    margin-bottom: 1.4rem;
    flex-wrap: wrap;
}

.dt-step {
    display: flex;
    align-items: center;
    gap: .55rem;
    padding: .45rem .8rem;
    border-radius: 9px;
    border: 1px solid var(--dt-border);
    color: var(--dt-text-muted);
    font-size: .82rem;
    background: var(--dt-card);
}

.dt-step-number {
    width: 22px;
    height: 22px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: .74rem;
    font-weight: 700;
    background: var(--dt-accent-soft);
    color: var(--dt-text-muted);
}

.dt-step.active {
    border-color: var(--dt-accent);
    color: var(--dt-text);
}

.dt-step.active .dt-step-number {
    background: var(--dt-accent);
    color: #fff;
}

.dt-step.done {
    color: var(--dt-text);
}

.dt-step.done .dt-step-number {
    background: var(--dt-ok);
    color: #fff;
}

.dt-dropzone {
    border: 2px dashed var(--dt-border);
    border-radius: 12px;
    padding: 2.2rem 1.5rem;
    text-align: center;
    background: var(--dt-panel);
    position: relative;
}

.dt-dropzone i {
    font-size: 2.2rem;
    color: var(--dt-accent);
}

.dt-dropzone input[type=file] {
    position: absolute;
    inset: 0;
    opacity: 0;
    cursor: pointer;
}

.dt-qr-preview {
    background: #fff;
    padding: .6rem;
    border-radius: 10px;
    display: inline-block;
    border: 1px solid var(--dt-border);
}

.dt-qr-preview img {
    width: 180px;
    height: 180px;
    display: block;
}

.dt-progress-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: .5rem;
}

.dt-progress-list li {
    display: flex;
    align-items: center;
    gap: .6rem;
}

/* ---------- Cards, tables, forms: Bootstrap restyled ---------- */

.card {
    background-color: var(--dt-card);
    border: 1px solid var(--dt-border);
    border-radius: 12px;
    box-shadow: var(--dt-shadow);
    color: var(--dt-text);
}

.card-header {
    background-color: transparent;
    border-bottom: 1px solid var(--dt-border);
    color: var(--dt-text);
    font-size: .8rem;
    font-weight: 700;
    letter-spacing: .05em;
    text-transform: uppercase;
    padding: .7rem 1rem;
}

.card-footer {
    background-color: transparent;
    border-top: 1px solid var(--dt-border);
    color: var(--dt-text-muted);
}

.table {
    color: var(--dt-text);
    border-color: var(--dt-border);
    --bs-table-bg: transparent;
    --bs-table-color: var(--dt-text);
    --bs-table-border-color: var(--dt-border);
    --bs-table-striped-bg: color-mix(in srgb, var(--dt-accent) 4%, transparent);
    --bs-table-striped-color: var(--dt-text);
    --bs-table-hover-bg: var(--dt-accent-soft);
    --bs-table-hover-color: var(--dt-text);
}

.table thead th {
    color: var(--dt-text-muted);
    font-size: .72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .06em;
    border-bottom-width: 1px;
}

.list-group-item {
    background-color: var(--dt-card);
    border-color: var(--dt-border);
    color: var(--dt-text);
}

.list-group-item-action:hover {
    background-color: var(--dt-accent-soft);
    color: var(--dt-text);
}

.form-control, .form-select, .form-control:focus, .form-select:focus {
    background-color: var(--dt-panel);
    border-color: var(--dt-border);
    color: var(--dt-text);
}

.form-control:focus, .form-select:focus {
    border-color: var(--dt-accent);
    box-shadow: 0 0 0 .15rem color-mix(in srgb, var(--dt-accent) 25%, transparent);
}

.form-control::placeholder {
    color: var(--dt-text-muted);
    opacity: .7;
}

.form-control:disabled,
.form-control[readonly],
.form-select:disabled {
    background-color: color-mix(in srgb, var(--dt-panel) 60%, var(--dt-bg));
    color: var(--dt-text-muted);
    border-color: var(--dt-border);
    opacity: 1;
}

.form-check-input {
    background-color: var(--dt-panel);
    border-color: var(--dt-border);
}

.form-check-input:checked {
    background-color: var(--dt-accent);
    border-color: var(--dt-accent);
}

.nav-pills .nav-link {
    color: var(--dt-text);
}

.nav-pills .nav-link:hover {
    background-color: var(--dt-accent-soft);
}

.nav-pills .nav-link.active {
    background-color: var(--dt-accent);
}

input:-webkit-autofill,
input:-webkit-autofill:hover,
input:-webkit-autofill:focus {
    -webkit-box-shadow: 0 0 0 1000px var(--dt-panel) inset !important;
    -webkit-text-fill-color: var(--dt-text) !important;
    caret-color: var(--dt-text);
    border-color: var(--dt-border);
    transition: background-color 9999s ease-in-out 0s;
}

.form-floating > label {
    color: var(--dt-text-muted);
}

.form-floating > .form-control:focus ~ label,
.form-floating > .form-control:not(:placeholder-shown) ~ label,
.form-floating > .form-control:-webkit-autofill ~ label {
    color: var(--dt-text-muted);
}

.form-floating > label::after {
    background-color: transparent !important;
}

h1:focus, h1:focus-visible {
    outline: none;
}

.form-label {
    color: var(--dt-text-muted);
    font-size: .78rem;
    font-weight: 600;
    margin-bottom: .25rem;
}

.btn-primary {
    --bs-btn-bg: var(--dt-accent);
    --bs-btn-border-color: var(--dt-accent);
    --bs-btn-hover-bg: color-mix(in srgb, var(--dt-accent) 85%, black);
    --bs-btn-hover-border-color: var(--dt-accent);
    --bs-btn-active-bg: var(--dt-accent);
    --bs-btn-active-border-color: var(--dt-accent);
    --bs-btn-disabled-bg: var(--dt-accent);
    --bs-btn-disabled-border-color: var(--dt-accent);
}

.btn-outline-primary {
    --bs-btn-color: var(--dt-accent);
    --bs-btn-border-color: var(--dt-accent);
    --bs-btn-hover-bg: var(--dt-accent);
    --bs-btn-hover-border-color: var(--dt-accent);
}

.btn-outline-secondary {
    --bs-btn-color: var(--dt-text-muted);
    --bs-btn-border-color: var(--dt-border);
    --bs-btn-hover-bg: var(--dt-accent-soft);
    --bs-btn-hover-color: var(--dt-text);
    --bs-btn-hover-border-color: var(--dt-border);
}

.btn-outline-danger {
    --bs-btn-color: var(--dt-danger);
    --bs-btn-border-color: var(--dt-danger);
    --bs-btn-hover-bg: var(--dt-danger);
    --bs-btn-hover-border-color: var(--dt-danger);
}

.btn-success {
    --bs-btn-bg: var(--dt-ok);
    --bs-btn-border-color: var(--dt-ok);
    --bs-btn-hover-bg: color-mix(in srgb, var(--dt-ok) 85%, black);
    --bs-btn-hover-border-color: var(--dt-ok);
}

.badge.bg-success { background-color: var(--dt-ok) !important; }
.badge.bg-danger { background-color: var(--dt-danger) !important; }
.badge.bg-warning { background-color: var(--dt-warning) !important; color: #1a1a1a !important; }
.badge.bg-info { background-color: var(--dt-info) !important; color: #06222f !important; }
.badge.bg-secondary { background-color: var(--dt-text-muted) !important; }

.alert-success {
    background-color: color-mix(in srgb, var(--dt-ok) 14%, var(--dt-card));
    border-color: color-mix(in srgb, var(--dt-ok) 40%, transparent);
    color: var(--dt-text);
}

.alert-danger {
    background-color: color-mix(in srgb, var(--dt-danger) 14%, var(--dt-card));
    border-color: color-mix(in srgb, var(--dt-danger) 40%, transparent);
    color: var(--dt-text);
}

.alert-warning {
    background-color: color-mix(in srgb, var(--dt-warning) 14%, var(--dt-card));
    border-color: color-mix(in srgb, var(--dt-warning) 40%, transparent);
    color: var(--dt-text);
}

.alert-info {
    background-color: color-mix(in srgb, var(--dt-info) 14%, var(--dt-card));
    border-color: color-mix(in srgb, var(--dt-info) 40%, transparent);
    color: var(--dt-text);
}

hr {
    border-color: var(--dt-border);
    opacity: 1;
}

/* ---------- KPI ---------- */

.dt-kpi-value {
    font-size: 2.3rem;
    font-weight: 700;
    line-height: 1.1;
}

.dt-kpi-label {
    font-size: .74rem;
    font-weight: 600;
    letter-spacing: .05em;
    text-transform: uppercase;
    color: var(--dt-text-muted);
}

/* ---------- Validation (Identity pages) ---------- */

.validation-message, .text-danger {
    color: var(--dt-danger) !important;
}

.valid.modified:not([type=checkbox]) {
    outline: 1px solid var(--dt-ok);
}

.invalid {
    outline: 1px solid var(--dt-danger);
}

/* ---------- Scrollbars ---------- */

* {
    scrollbar-width: thin;
    scrollbar-color: var(--dt-border) transparent;
}

/* ---------- Blazor error UI ---------- */

#blazor-error-ui {
    color-scheme: light only;
    background: lightyellow;
    color: #1a1a1a;
    bottom: 0;
    box-shadow: 0 -1px 2px rgba(0, 0, 0, 0.2);
    box-sizing: border-box;
    display: none;
    left: 0;
    padding: 0.6rem 1.25rem 0.7rem 1.25rem;
    position: fixed;
    width: 100%;
    z-index: 1000;
}

#blazor-error-ui .dismiss {
    cursor: pointer;
    position: absolute;
    right: 0.75rem;
    top: 0.5rem;
}