/*
  DC CLIENT 4 — základní vzhled.
  Barvy brandingu jsou CSS proměnné (--dc-*). Budoucí branding firmy/partnera je jen přepíše,
  vždy zvlášť pro light a dark režim.
*/
:root,
[data-bs-theme="light"] {
    --dc-brand: #1d4ed8;
    --dc-brand-hover: #1e40af;
    --dc-brand-contrast: #ffffff;
    --dc-brand-soft: #e8efff;
    --dc-bg: #f4f6fa;
    --dc-surface: #ffffff;
    --dc-border: #e1e5ee;
    --dc-sidebar-bg: #ffffff;
    --dc-muted: #5b6475;
}

[data-bs-theme="dark"] {
    --dc-brand: #6ea0ff;
    --dc-brand-hover: #8fb5ff;
    --dc-brand-contrast: #0b1220;
    --dc-brand-soft: #1a2640;
    --dc-bg: #0f141d;
    --dc-surface: #161c27;
    --dc-border: #273042;
    --dc-sidebar-bg: #131924;
    --dc-muted: #9aa4b6;
}

html, body {
    height: 100%;
}

body {
    background: var(--dc-bg);
    color: var(--bs-body-color);
    font-family: "Segoe UI", system-ui, -apple-system, Roboto, "Helvetica Neue", Arial, sans-serif;
}

a {
    color: var(--dc-brand);
}

a:hover {
    color: var(--dc-brand-hover);
}

.btn-primary {
    --bs-btn-bg: var(--dc-brand);
    --bs-btn-border-color: var(--dc-brand);
    --bs-btn-color: var(--dc-brand-contrast);
    --bs-btn-hover-bg: var(--dc-brand-hover);
    --bs-btn-hover-border-color: var(--dc-brand-hover);
    --bs-btn-hover-color: var(--dc-brand-contrast);
    --bs-btn-active-bg: var(--dc-brand-hover);
    --bs-btn-active-border-color: var(--dc-brand-hover);
    --bs-btn-active-color: var(--dc-brand-contrast);
    --bs-btn-disabled-bg: var(--dc-brand);
    --bs-btn-disabled-border-color: var(--dc-brand);
}

.btn-outline-primary {
    --bs-btn-color: var(--dc-brand);
    --bs-btn-border-color: var(--dc-brand);
    --bs-btn-hover-bg: var(--dc-brand);
    --bs-btn-hover-border-color: var(--dc-brand);
    --bs-btn-hover-color: var(--dc-brand-contrast);
    --bs-btn-active-bg: var(--dc-brand-hover);
    --bs-btn-active-color: var(--dc-brand-contrast);
}

.form-control:focus, .form-select:focus, .form-check-input:focus {
    border-color: var(--dc-brand);
    box-shadow: 0 0 0 .2rem color-mix(in srgb, var(--dc-brand) 25%, transparent);
}

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

.dropdown-item.active, .dropdown-item:active {
    background: var(--dc-brand-soft);
    color: var(--bs-body-color);
}

/* ---------- Logo ---------- */
.dc-logo {
    display: inline-flex;
    align-items: center;
    gap: .5rem;
    color: var(--bs-body-color);
    font-size: 1.1rem;
    white-space: nowrap;
}

.dc-logo-text strong {
    color: var(--dc-brand);
}

/* ---------- Hlavní rozvržení ---------- */
.dc-shell {
    min-height: 100%;
    display: grid;
    grid-template-rows: auto 1fr auto;
}

.dc-topbar {
    position: sticky;
    top: 0;
    z-index: 1020;
    display: flex;
    align-items: center;
    gap: .75rem;
    height: 3.5rem;
    padding: 0 1rem;
    background: var(--dc-surface);
    border-bottom: 1px solid var(--dc-border);
}

.dc-brand {
    text-decoration: none;
    width: 13rem;
}

.dc-instance {
    letter-spacing: .05em;
}

.dc-body {
    display: grid;
    grid-template-columns: 15rem 1fr;
    min-height: 0;
}

.dc-sidebar {
    background: var(--dc-sidebar-bg);
    border-right: 1px solid var(--dc-border);
    padding: 1rem .75rem;
}

.dc-nav .nav-link {
    display: flex;
    align-items: center;
    gap: .65rem;
    padding: .55rem .75rem;
    border-radius: .5rem;
    color: var(--bs-body-color);
}

.dc-nav .nav-link:hover {
    background: var(--dc-bg);
}

.dc-nav .nav-link.active {
    background: var(--dc-brand-soft);
    color: var(--dc-brand);
    font-weight: 600;
}

.dc-main {
    padding: 1.75rem 2rem;
    min-width: 0;
}

.dc-footer {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    padding: .6rem 1rem;
    font-size: .8rem;
    color: var(--dc-muted);
    border-top: 1px solid var(--dc-border);
    background: var(--dc-surface);
}

@media (max-width: 900px) {
    .dc-body {
        grid-template-columns: 1fr;
    }

    .dc-sidebar {
        border-right: 0;
        border-bottom: 1px solid var(--dc-border);
        padding: .5rem;
    }

    .dc-nav {
        flex-direction: row !important;
        gap: .25rem;
    }

    .dc-brand {
        width: auto;
    }

    .dc-logo-text, .dc-user-name {
        display: none;
    }

    .dc-main {
        padding: 1.25rem 1rem;
    }
}

/* ---------- Hlavička: přepínač firem, uživatel ---------- */
.dc-org-button {
    display: inline-flex;
    align-items: center;
    max-width: 22rem;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    padding: .3rem .7rem;
    border: 1px solid var(--dc-border);
    border-radius: 2rem;
    font-size: .875rem;
    color: var(--bs-body-color);
    background: var(--dc-bg);
}

.dc-org-menu {
    min-width: 20rem;
    max-width: 28rem;
    max-height: 70vh;
    overflow-y: auto;
    padding-top: 0;
}

/* Hledání zůstává nahoře i při posouvání dlouhého seznamu. */
.dc-org-search-box {
    position: sticky;
    top: 0;
    z-index: 1;
    padding: .5rem .75rem;
    background: var(--bs-dropdown-bg, var(--dc-surface));
    border-bottom: 1px solid var(--dc-border);
}

.dc-org-search-box .bi {
    position: absolute;
    left: 1.35rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--dc-muted);
    pointer-events: none;
}

.dc-org-search-box .form-control {
    padding-left: 2rem;
}

.dc-org-menu .dropdown-item {
    white-space: normal;
}

.dc-icon-button {
    color: var(--bs-body-color);
    text-decoration: none;
}

.dc-lang-code {
    font-size: .75rem;
    font-weight: 600;
    margin-left: .15rem;
}

.dc-user-button {
    display: inline-flex;
    align-items: center;
    gap: .5rem;
    border: 0;
    color: var(--bs-body-color);
}

.dc-avatar {
    display: inline-grid;
    place-items: center;
    width: 2rem;
    height: 2rem;
    border-radius: 50%;
    background: var(--dc-brand);
    color: var(--dc-brand-contrast);
    font-size: .8rem;
    font-weight: 600;
}

/* ---------- Obsah ---------- */
.dc-page-header {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.dc-card {
    background: var(--dc-surface);
    border: 1px solid var(--dc-border);
    border-radius: .75rem;
    padding: 1.5rem;
}

.dc-empty {
    background: var(--dc-surface);
    border: 1px dashed var(--dc-border);
    border-radius: .75rem;
    padding: 3rem 1.5rem;
    text-align: center;
    max-width: 40rem;
}

.dc-empty-icon {
    display: block;
    font-size: 2.5rem;
    color: var(--dc-brand);
    margin-bottom: .75rem;
}

.dc-nav-section {
    margin: 1.25rem .75rem .35rem;
    font-size: .72rem;
    font-weight: 600;
    letter-spacing: .06em;
    text-transform: uppercase;
    color: var(--dc-muted);
}

/* ---------- Tabulky, vyhledávání, detail ---------- */
.dc-search {
    position: relative;
    flex: 1 1 18rem;
    max-width: 26rem;
}

.dc-search .bi {
    position: absolute;
    left: .8rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--dc-muted);
    pointer-events: none;
}

.dc-search .form-control {
    padding-left: 2.25rem;
}

.dc-table {
    --bs-table-bg: transparent;
}

.dc-table thead th {
    font-size: .75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: .04em;
    color: var(--dc-muted);
    border-bottom-color: var(--dc-border);
    padding: .75rem 1rem;
}

.dc-table td {
    padding: .7rem 1rem;
    border-color: var(--dc-border);
}

.dc-table tbody tr:last-child td {
    border-bottom: 0;
}

.dc-row-link {
    cursor: pointer;
}

.dc-dl {
    display: grid;
    grid-template-columns: max-content 1fr;
    gap: .5rem 1.5rem;
}

.dc-dl dt {
    font-weight: 500;
    color: var(--dc-muted);
}

.dc-dl dd {
    margin: 0;
}

.dc-danger-zone {
    border-color: color-mix(in srgb, var(--bs-danger) 35%, var(--dc-border));
}

.nav-tabs .nav-link {
    color: var(--dc-muted);
}

.nav-tabs .nav-link.active {
    color: var(--bs-body-color);
    font-weight: 600;
}

.dc-modal {
    background: rgba(15, 23, 42, .45);
}

/* ---------- Dlaždice na dashboardu ---------- */
.dc-tiles {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(15rem, 1fr));
    gap: 1rem;
}

.dc-tile {
    display: flex;
    flex-direction: column;
    gap: .35rem;
    padding: 1.25rem;
    background: var(--dc-surface);
    border: 1px solid var(--dc-border);
    border-radius: .75rem;
    color: var(--bs-body-color);
    text-decoration: none;
    transition: border-color .15s, box-shadow .15s, transform .15s;
}

.dc-tile:hover {
    color: var(--bs-body-color);
    border-color: var(--dc-brand);
    box-shadow: 0 6px 18px rgba(15, 23, 42, .08);
    transform: translateY(-1px);
}

.dc-tile .bi {
    font-size: 1.6rem;
    color: var(--dc-brand);
}

.dc-tile-title {
    font-weight: 600;
}

.dc-tile-text {
    font-size: .875rem;
    color: var(--dc-muted);
}

/* ---------- Přístupy (ikonky) ---------- */
.dc-icon-picker {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(2.75rem, 1fr));
    gap: .4rem;
}

.dc-icon-choice {
    display: grid;
    place-items: center;
    height: 2.75rem;
    border: 1px solid var(--dc-border);
    border-radius: .5rem;
    background: var(--dc-surface);
    color: var(--bs-body-color);
    font-size: 1.25rem;
}

.dc-icon-choice:hover:not(:disabled) {
    border-color: var(--dc-brand);
}

.dc-icon-choice.selected {
    border-color: var(--dc-brand);
    background: var(--dc-brand-soft);
    color: var(--dc-brand);
    box-shadow: 0 0 0 .15rem color-mix(in srgb, var(--dc-brand) 30%, transparent);
}

.dc-accesses {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(9.5rem, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}

.dc-access {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: .6rem;
    padding: 1.25rem .75rem 1rem;
    background: var(--dc-surface);
    border: 1px solid var(--dc-border);
    border-radius: .9rem;
    color: var(--bs-body-color);
    text-align: center;
    cursor: pointer;
    transition: border-color .15s, box-shadow .15s, transform .15s;
}

.dc-access:hover, .dc-access:focus-visible {
    border-color: var(--dc-brand);
    box-shadow: 0 6px 18px rgba(15, 23, 42, .08);
    transform: translateY(-1px);
}

.dc-access .bi {
    display: grid;
    place-items: center;
    width: 3.5rem;
    height: 3.5rem;
    border-radius: 1rem;
    background: var(--dc-brand-soft);
    color: var(--dc-brand);
    font-size: 1.9rem;
}

/* Tlačítko s detailem přístupu v rohu ikonky (klik na ikonku = připojení). */
.dc-access-wrap {
    position: relative;
    display: flex;
}

.dc-access-wrap > .dc-access {
    flex: 1;
}

.dc-access-more {
    position: absolute;
    top: .35rem;
    right: .35rem;
    padding: .15rem .3rem;
    border: 0;
    border-radius: .5rem;
    background: transparent;
    color: var(--bs-secondary-color);
    line-height: 1;
}

.dc-access-more:hover, .dc-access-more:focus-visible {
    background: var(--dc-brand-soft);
    color: var(--dc-brand);
}

.dc-accesses + .dc-helper-download {
    margin-top: -1.25rem;
    margin-bottom: 2rem;
}

.dc-access-name {
    font-weight: 600;
    font-size: .9rem;
    line-height: 1.25;
    word-break: break-word;
}

/* ---------- Správa účtu ---------- */
.dc-manage {
    display: grid;
    grid-template-columns: 14rem minmax(0, 40rem);
    gap: 2rem;
    align-items: start;
}

@media (max-width: 900px) {
    .dc-manage {
        grid-template-columns: 1fr;
    }
}

.dc-manage-nav .nav-link {
    color: var(--bs-body-color);
    border-radius: .5rem;
}

.dc-manage-nav .nav-link.active {
    background: var(--dc-brand-soft);
    color: var(--dc-brand);
    font-weight: 600;
}

/* ---------- Přihlašovací stránky ---------- */
.dc-auth {
    min-height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 1rem 1rem 1.5rem;
    background:
        radial-gradient(1200px 500px at 50% -10%, var(--dc-brand-soft), transparent 70%),
        var(--dc-bg);
}

.dc-auth-top {
    align-self: flex-end;
}

.dc-auth-card {
    width: 100%;
    max-width: 26rem;
    margin: auto 0;
    background: var(--dc-surface);
    border: 1px solid var(--dc-border);
    border-radius: 1rem;
    padding: 2rem;
    box-shadow: 0 10px 30px rgba(15, 23, 42, .08);
}

.dc-auth-brand {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.dc-auth-card h1 {
    font-size: 1.35rem;
    font-weight: 600;
    text-align: center;
    margin-bottom: .35rem;
}

.dc-auth-card .dc-lead {
    text-align: center;
    color: var(--dc-muted);
    margin-bottom: 1.5rem;
}

.dc-auth-footer {
    font-size: .8rem;
    color: var(--dc-muted);
    margin-top: 1.5rem;
    text-align: center;
}

.dc-code-input {
    font-size: 1.5rem;
    letter-spacing: .4em;
    text-align: center;
    font-variant-numeric: tabular-nums;
}

.dc-qr {
    display: inline-block;
    padding: .75rem;
    background: #fff;
    border-radius: .5rem;
    border: 1px solid var(--dc-border);
}

.dc-qr svg {
    display: block;
    width: 220px;
    height: 220px;
}

.dc-secret {
    font-family: Consolas, "Cascadia Mono", monospace;
    font-size: .95rem;
    word-break: break-all;
    background: var(--dc-bg);
    border-radius: .375rem;
    padding: .35rem .6rem;
}

.dc-recovery-codes {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: .35rem 1.5rem;
    font-family: Consolas, "Cascadia Mono", monospace;
    background: var(--dc-bg);
    border-radius: .5rem;
    padding: 1rem 1.25rem;
    margin: 0;
    list-style: none;
}

.validation-message {
    color: var(--bs-form-invalid-color);
    font-size: .875rem;
    margin-top: .25rem;
}