/* Layout */

.app-shell {
    display: flex;
    flex-direction: row;
    height: 100vh;
}

.sidebar {
    position: relative;
    flex-shrink: 0;
    width: 270px;
    overflow: hidden;
    transition: width 0.26s cubic-bezier(0.4, 0, 0.2, 1);
    background:
        linear-gradient(180deg, rgba(255,255,255,0.05), transparent 16%),
        linear-gradient(180deg, var(--sidebar) 0%, var(--sidebar-2) 50%, var(--sidebar-3) 100%);
    color: var(--sidebar-text);
    padding: 24px 18px 24px;
    border-right: 1px solid var(--sidebar-border);
    display: flex;
    flex-direction: column;
    gap: 12px;
    box-shadow:
        inset -1px 0 0 rgba(255,255,255,0.03),
        16px 0 36px rgba(0, 0, 0, 0.14);
}

.sidebar::after {
    content: "";
    position: absolute;
    top: 20px;
    right: 0;
    width: 1px;
    height: calc(100% - 40px);
    background: linear-gradient(180deg, transparent, var(--sidebar-border), transparent);
}

.main-content {
    flex: 1;
    min-width: 0;
    overflow: auto;
    padding: 30px;
    -webkit-overflow-scrolling: touch;
    overscroll-behavior: contain;
}

.content-frame,
.main-content > * {
    width: 100%;
    max-width: var(--content-max);
    margin-inline: auto;
}

/* Sidebar */

.logo-section {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
    padding: 5px 5px 11px;
    margin-bottom: 8px;
    border-bottom: 1px solid var(--sidebar-border);
}

/* ── Sidebar collapse toggle ──────────────────────────────────── */

.sidebar-toggle-btn {
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 32px;
    height: 32px;
    border-radius: 8px;
    background: var(--nav-icon-bg);
    border: 1px solid var(--sidebar-border);
    color: var(--sidebar-text-muted);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    line-height: 1;
    transition:
        background 0.16s ease,
        color 0.16s ease,
        border-color 0.16s ease,
        box-shadow 0.16s ease,
        transform 0.26s cubic-bezier(0.4, 0, 0.2, 1);
}

.sidebar-toggle-btn:hover {
    background: var(--nav-hover-bg);
    color: var(--sidebar-text);
    border-color: var(--nav-hover-border);
    box-shadow: 0 2px 8px rgba(0,0,0,0.18);
}

/* ── Collapsed state ──────────────────────────────────────────── */

body.sidebar-collapsed .sidebar {
    width: 64px;
}

body.sidebar-collapsed .sidebar-toggle-btn {
    transform: translateY(-50%) rotate(180deg);
    right: 16px;
}

body.sidebar-collapsed .logo-img {
    width: 0;
    opacity: 0;
    transition: width 0.2s ease, opacity 0.15s ease;
}

body.sidebar-collapsed .logo-sub {
    opacity: 0;
    height: 0;
    margin: 0;
    transition: opacity 0.12s ease, height 0.2s ease;
}

body.sidebar-collapsed .logo-section {
    padding: 5px 5px 14px;
    min-height: 48px;
    justify-content: center;
}

body.sidebar-collapsed .nav-label {
    opacity: 0;
    transition: opacity 0.12s ease;
}

body.sidebar-collapsed .nav-item {
    padding: 9px 0;
    justify-content: center;
    width: 100%;
}

body.sidebar-collapsed .nav-icon {
    margin-right: 0;
    width: 34px;
    height: 34px;
    font-size: 15px;
}

body.sidebar-collapsed .nav-theme-row {
    padding: 9px 0;
    justify-content: center;
}

body.sidebar-collapsed .nav-theme-row .nav-icon {
    margin-right: 0;
    width: 34px;
    height: 34px;
    font-size: 15px;
}

body.sidebar-collapsed .nav-theme-pill {
    display: none;
}

body.sidebar-collapsed .nav-label {
    width: 0;
    overflow: hidden;
}

body.sidebar-collapsed .sidebar-footer {
    opacity: 0;
    pointer-events: none;
    overflow: hidden;
    max-height: 0;
    padding-top: 0;
    transition: opacity 0.12s ease, max-height 0.22s ease, padding-top 0.22s ease;
}

.logo-img-wrap {
    display: inline-flex;
    align-items: center;
    padding: 0;
    margin: 0;
    background: transparent;
    border: none;
    border-radius: 0;
    box-shadow: none;
}

.logo-img {
    display: block;
    width: 150px;
    height: auto;
    object-fit: contain;
}

.logo-sub {
    font-size: 11.5px;
    color: var(--sidebar-text-muted);
    font-weight: 500;
    padding-left: 2px;
    letter-spacing: 0.01em;
}

.nav-menu {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.nav-divider {
    height: 1px;
    margin: 10px 6px;
    background: linear-gradient(90deg, transparent, var(--sidebar-border), transparent);
}

.nav-item {
    position: relative;
    overflow: hidden;
    width: 100%;
    display: flex;
    align-items: center;
    gap: 0;
    background: transparent;
    border: 1px solid transparent;
    color: var(--sidebar-text-muted);
    text-align: left;
    padding: 10px 14px;
    border-radius: 9px;
    cursor: pointer;
    font-size: 13.5px;
    font-weight: 600;
    letter-spacing: -0.01em;
    transition:
        background 0.16s ease,
        border-color 0.16s ease,
        color 0.16s ease,
        transform 0.12s ease,
        box-shadow 0.16s ease,
        padding 0.24s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Nav icon chip */
.nav-icon {
    flex-shrink: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    border-radius: 7px;
    font-size: 13px;
    line-height: 1;
    margin-right: 10px;
    background: var(--nav-icon-bg);
    border: 1px solid var(--nav-icon-border);
    transition:
        background 0.16s ease,
        border-color 0.16s ease,
        color 0.16s ease,
        box-shadow 0.16s ease,
        margin-right 0.24s cubic-bezier(0.4, 0, 0.2, 1);
}

.nav-label {
    flex: 1;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.nav-item:hover .nav-icon {
    background: var(--nav-hover-icon-bg);
    border-color: var(--nav-hover-icon-border);
}

.nav-item.active .nav-icon {
    background: rgba(249, 115, 22, 0.26);
    border-color: rgba(249, 115, 22, 0.32);
    color: var(--accent-strong);
    box-shadow: 0 0 10px rgba(249, 115, 22, 0.20);
}

/* Click ripple */
.nav-ripple {
    position: absolute;
    border-radius: 50%;
    background: var(--nav-ripple-color);
    pointer-events: none;
    transform: scale(0);
    animation: nav-ripple-out 0.46s ease-out forwards;
}

@keyframes nav-ripple-out {
    from { transform: scale(0); opacity: 1; }
    to   { transform: scale(2.8); opacity: 0; }
}

.nav-item:hover {
    background: var(--nav-hover-bg);
    border-color: var(--nav-hover-border);
    color: var(--nav-hover-color);
    transform: translateX(2px);
}

.nav-item.active {
    color: var(--nav-active-text, #fff);
    background: linear-gradient(180deg, rgba(249,115,22,0.22), rgba(249,115,22,0.10));
    border-color: rgba(249,115,22,0.28);
    box-shadow:
        inset 0 1px 0 rgba(255,255,255,0.07),
        0 6px 16px rgba(0, 0, 0, 0.22);
}

/* Theme toggle nav row */

.nav-theme-row {
    display: flex;
    align-items: center;
    width: 100%;
    background: transparent;
    border: 1px solid transparent;
    color: var(--sidebar-text-muted);
    text-align: left;
    padding: 10px 14px;
    border-radius: 9px;
    cursor: pointer;
    font-size: 13.5px;
    font-weight: 600;
    letter-spacing: -0.01em;
    transition:
        background 0.16s ease,
        border-color 0.16s ease,
        color 0.16s ease;
}

.nav-theme-row .nav-icon {
    flex-shrink: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    border-radius: 7px;
    font-size: 13px;
    line-height: 1;
    margin-right: 10px;
    background: var(--nav-icon-bg);
    border: 1px solid var(--nav-icon-border);
    transition:
        background 0.16s ease,
        border-color 0.16s ease;
}

.nav-theme-row:hover {
    background: var(--nav-hover-bg);
    border-color: var(--nav-hover-border);
    color: var(--nav-hover-color);
}

.nav-theme-row:hover .nav-icon {
    background: var(--nav-hover-icon-bg);
    border-color: var(--nav-hover-icon-border);
}

/* Pill switch */

.nav-theme-pill {
    margin-left: auto;
    flex-shrink: 0;
    width: 34px;
    height: 18px;
    border-radius: 999px;
    background: var(--nav-pill-bg);
    border: 1px solid var(--nav-pill-border);
    position: relative;
    pointer-events: none;
    transition:
        background 0.22s ease,
        border-color 0.22s ease;
}

.nav-theme-thumb {
    position: absolute;
    top: 2px;
    left: 2px;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--nav-thumb-bg);
    transition:
        transform 0.22s ease,
        background 0.22s ease;
}

/* Dark state via data-theme on html */
[data-theme="dark"] .nav-theme-pill {
    background: rgba(251, 146, 60, 0.26);
    border-color: rgba(251, 146, 60, 0.38);
}

[data-theme="dark"] .nav-theme-thumb {
    transform: translateX(16px);
    background: #FB923C;
}

@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) .nav-theme-pill {
        background: rgba(251, 146, 60, 0.26);
        border-color: rgba(251, 146, 60, 0.38);
    }

    :root:not([data-theme="light"]) .nav-theme-thumb {
        transform: translateX(16px);
        background: #FB923C;
    }
}

/* Combined controls row — wraps theme + language buttons on one line */

.nav-controls-row {
    display: flex;
    flex-direction: row;
    gap: 4px;
    width: 100%;
}

.nav-controls-row .nav-theme-row,
.nav-controls-row .nav-lang-row {
    flex: 1;
    min-width: 0;
    padding: 9px 10px;
    margin-top: 0;
}

/* Hide text labels when side-by-side — icon + pill convey state */
.nav-controls-row .nav-theme-row .nav-label,
.nav-controls-row .nav-lang-row .nav-label {
    display: none;
}

.nav-controls-row .nav-theme-row .nav-icon,
.nav-controls-row .nav-lang-row .nav-icon {
    margin-right: 6px;
}

/* Collapsed sidebar: stack vertically, hide pills */
body.sidebar-collapsed .nav-controls-row {
    flex-direction: column;
}

body.sidebar-collapsed .nav-controls-row .nav-theme-row,
body.sidebar-collapsed .nav-controls-row .nav-lang-row {
    justify-content: center;
    padding: 9px 0;
}

body.sidebar-collapsed .nav-controls-row .nav-theme-row .nav-icon,
body.sidebar-collapsed .nav-controls-row .nav-lang-row .nav-icon {
    margin-right: 0;
}

body.sidebar-collapsed .nav-controls-row .nav-theme-pill,
body.sidebar-collapsed .nav-controls-row .nav-lang-pill {
    display: none;
}

/* Language toggle nav row */

.nav-lang-row {
    display: flex;
    align-items: center;
    width: 100%;
    background: transparent;
    border: 1px solid transparent;
    color: var(--sidebar-text-muted);
    text-align: left;
    padding: 10px 14px;
    border-radius: 9px;
    cursor: pointer;
    font-size: 13.5px;
    font-weight: 600;
    letter-spacing: -0.01em;
    transition:
        background 0.16s ease,
        border-color 0.16s ease,
        color 0.16s ease;
}

.nav-lang-row .nav-icon {
    flex-shrink: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    border-radius: 7px;
    font-size: 13px;
    line-height: 1;
    margin-right: 10px;
    background: var(--nav-icon-bg);
    border: 1px solid var(--nav-icon-border);
    transition:
        background 0.16s ease,
        border-color 0.16s ease;
}

.nav-lang-row:hover {
    background: var(--nav-hover-bg);
    border-color: var(--nav-hover-border);
    color: var(--nav-hover-color);
}

.nav-lang-row:hover .nav-icon {
    background: var(--nav-hover-icon-bg);
    border-color: var(--nav-hover-icon-border);
}

.nav-lang-pill {
    margin-left: auto;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    gap: 2px;
    background: var(--nav-pill-bg);
    border: 1px solid var(--nav-pill-border);
    border-radius: 999px;
    padding: 2px 4px;
    pointer-events: none;
}

.nav-lang-opt {
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.04em;
    padding: 1px 5px;
    border-radius: 999px;
    color: var(--text-3);
    transition: background 0.18s ease, color 0.18s ease;
}

.nav-lang-opt.active {
    background: var(--accent);
    color: #fff;
}

.sidebar-footer {
    margin-top: auto;
    padding-top: 14px;
    border-top: 1px solid var(--sidebar-border);
}

.status-pill {
    min-height: 36px;
    padding: 7px 12px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    background: var(--sidebar-pill-bg);
    color: var(--sidebar-text-muted);
    border: 1px solid var(--sidebar-pill-border);
    font-size: 11.5px;
    font-weight: 600;
    letter-spacing: 0.01em;
    text-align: center;
    transition: background 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}

.status-pill.ok {
    color: #a8f0cc;
    background: rgba(28, 184, 112, 0.12);
    border-color: rgba(28, 184, 112, 0.22);
}

.status-pill::before {
    content: "";
    flex-shrink: 0;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: currentColor;
    opacity: 0.7;
}

/* Topbar */

.topbar {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 20px;
    margin-bottom: 30px;
}

.breadcrumb {
    margin-bottom: 10px;
}

.topbar h2 {
    font-size: 28px;
    line-height: 1.08;
    font-weight: 800;
    letter-spacing: -0.04em;
    color: var(--text-1);
    margin-bottom: 6px;
}

.topbar p {
    max-width: 780px;
    font-size: 13px;
    color: var(--text-4);
    line-height: 1.55;
}