/* ===== Base ===== */
html, body {
    font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
    margin: 0;
    padding: 0;
    height: 100%;
    background: #f4f6f9;
}

/* ===== Layout Shell ===== */
.app-layout {
    display: flex;
    min-height: 100vh;
}

/* ===== Sidebar ===== */
:root {
    --sidebar-width: 260px;
    --sidebar-bg: #1a1d23;
    --sidebar-text: #a8adb7;
    --sidebar-text-hover: #ffffff;
    --sidebar-accent: #4f8cff;
    --sidebar-border: rgba(255,255,255,0.06);
}

.sidebar .sidebar-content {
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    width: var(--sidebar-width);
    background: var(--sidebar-bg);
    display: flex;
    flex-direction: column;
    z-index: 1040;
    transition: transform 0.25s ease;
    overflow-y: auto;
}

/* ---- Header ---- */
.sidebar-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.25rem 1.25rem 1rem;
    border-bottom: 1px solid var(--sidebar-border);
}

.sidebar-brand {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    text-decoration: none;
    color: #fff;
    font-weight: 700;
    font-size: 1.2rem;
}

.brand-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 34px;
    height: 34px;
    border-radius: 8px;
    background: var(--sidebar-accent);
    color: #fff;
    font-weight: 800;
    font-size: 1rem;
}

.brand-text {
    letter-spacing: -0.02em;
}

.sidebar-close {
    background: none;
    border: none;
    color: var(--sidebar-text);
    font-size: 1.2rem;
    cursor: pointer;
    padding: 0.25rem;
}

.sidebar-close:hover {
    color: var(--sidebar-text-hover);
}

/* ---- Navigation ---- */
.sidebar-nav {
    flex: 1;
    padding: 1rem 0.75rem;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.sidebar-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.65rem 0.85rem;
    border-radius: 8px;
    color: var(--sidebar-text);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: background 0.15s, color 0.15s;
}

.sidebar-link i {
    font-size: 1.15rem;
    width: 1.25rem;
    text-align: center;
    flex-shrink: 0;
}

.sidebar-link:hover {
    background: rgba(255,255,255,0.06);
    color: var(--sidebar-text-hover);
    text-decoration: none;
}

.sidebar-link.active {
    background: rgba(79,140,255,0.15);
    color: var(--sidebar-accent);
}

/* ---- Footer / Login Display ---- */
.sidebar-footer {
    padding: 0.75rem;
    border-top: 1px solid var(--sidebar-border);
}

.login-display {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.5rem 0.5rem;
    color: var(--sidebar-text);
    font-size: 0.85rem;
}

.user-avatar {
    font-size: 1.5rem;
    color: var(--sidebar-accent);
}

.user-name {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.btn-logout,
.btn-login {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.5rem 0.75rem;
    border-radius: 8px;
    border: none;
    background: rgba(255,255,255,0.06);
    color: var(--sidebar-text);
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    text-decoration: none;
    transition: background 0.15s, color 0.15s;
    width: 100%;
}

.btn-logout:hover,
.btn-login:hover {
    background: rgba(255,255,255,0.1);
    color: var(--sidebar-text-hover);
    text-decoration: none;
}

.btn-logout i,
.btn-login i {
    font-size: 1.05rem;
}

/* ===== Main Wrapper ===== */
.main-wrapper {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    margin-left: var(--sidebar-width);
    transition: margin-left 0.25s ease;
}

.main-content {
    flex: 1;
    padding: 2rem;
    max-width: 1200px;
    width: 100%;
}

.main-footer {
    text-align: center;
    padding: 1rem 2rem;
    color: #6c757d;
    font-size: 0.85rem;
    border-top: 1px solid #dee2e6;
    margin-top: auto;
}

/* ===== Mobile Top Bar ===== */
.top-bar {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    background: var(--sidebar-bg);
    color: #fff;
    position: sticky;
    top: 0;
    z-index: 1030;
}

.hamburger-btn {
    background: none;
    border: none;
    color: #fff;
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0;
    line-height: 1;
}

.top-bar-brand {
    font-weight: 700;
    font-size: 1.1rem;
}

/* ===== Responsive — Mobile ===== */
@media (max-width: 991.98px) {
    .sidebar .sidebar-content {
        transform: translateX(-100%);
    }

    .sidebar:not(.collapsed) .sidebar-content {
        transform: translateX(0);
    }

    /* Overlay backdrop */
    .sidebar:not(.collapsed)::before {
        content: '';
        position: fixed;
        inset: 0;
        background: rgba(0,0,0,0.45);
        z-index: 1039;
    }

    .main-wrapper {
        margin-left: 0;
    }
}

/* Desktop — sidebar always visible, hide hamburger */
@media (min-width: 992px) {
    .sidebar .sidebar-content {
        transform: translateX(0) !important;
    }

    .top-bar {
        display: none !important;
    }
}

/* ===== Blazor Error UI ===== */
#blazor-error-ui {
    background: lightyellow;
    bottom: 0;
    box-shadow: 0 -1px 2px rgba(0, 0, 0, 0.2);
    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;
}

.blazor-error-boundary {
    background: url(data:image/svg+xml;base64,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) no-repeat 1rem/1.8rem, #b32121;
    padding: 1rem 1rem 1rem 3.7rem;
    color: white;
}

.blazor-error-boundary::after {
    content: "An error has occurred."
}