/* ============================================================
   Design Tokens
   ============================================================ */
:root {
    /* Surfaces */
    --pb-bg: #fafafa;
    --pb-surface: #ffffff;
    --pb-surface-muted: #f5f5f5;
    /* Borders */
    --pb-border: #ececec;
    --pb-border-strong: #d4d4d4;
    /* Text */
    --pb-text: #171717;
    --pb-text-muted: #737373;
    --pb-text-subtle: #a3a3a3;
    /* Accent & States */
    --pb-accent: #171717;
    --pb-accent-hover: #404040;
    --pb-success: #059669;
    --pb-success-bg: #ecfdf5;
    --pb-danger: #dc2626;
    --pb-danger-bg: #fef2f2;
    --pb-warning: #d97706;
    --pb-warning-bg: #fffbeb;
    /* Radii */
    --pb-radius-sm: 0.5rem;
    --pb-radius: 0.75rem;
    --pb-radius-lg: 1rem;
    /* Shadows */
    --pb-shadow-sm: 0 1px 2px rgba(23, 23, 23, 0.03);
    --pb-shadow: 0 1px 3px rgba(23, 23, 23, 0.04), 0 1px 2px rgba(23, 23, 23, 0.03);
    --pb-shadow-lg: 0 10px 25px -5px rgba(23, 23, 23, 0.06), 0 4px 6px -4px rgba(23, 23, 23, 0.04);
    /* Bootstrap overrides */
    --bs-body-bg: var(--pb-bg);
    --bs-body-color: var(--pb-text);
    --bs-body-font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --bs-body-font-size: 0.9375rem;
    --bs-body-line-height: 1.6;
    --bs-border-color: var(--pb-border);
    --bs-border-radius: var(--pb-radius);
    --bs-border-radius-sm: var(--pb-radius-sm);
    --bs-border-radius-lg: var(--pb-radius-lg);
    --bs-primary: var(--pb-accent);
    --bs-primary-rgb: 23, 23, 23;
    --bs-secondary-color: var(--pb-text-muted);
    --bs-link-color: var(--pb-text);
    --bs-link-hover-color: var(--pb-accent-hover);
}

/* ============================================================
   Base
   ============================================================ */
html {
    font-size: 16px;
}

body {
    background-color: var(--pb-bg);
    color: var(--pb-text);
    font-family: var(--bs-body-font-family);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
}

/* Tailwind-like helper used across views */
.hidden {
    display: none !important;
}

/* ============================================================
   Header / Nav
   ============================================================ */
.site-header {
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: saturate(180%) blur(12px);
    -webkit-backdrop-filter: saturate(180%) blur(12px);
    border-bottom: 1px solid var(--pb-border);
}

.navbar-brand {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 600;
    font-size: 1.0625rem;
    letter-spacing: -0.01em;
    color: var(--pb-text) !important;
}

.brand-dot {
    display: inline-block;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--pb-text);
}

.navbar .nav-link {
    color: var(--pb-text-muted);
    font-size: 0.9375rem;
    font-weight: 500;
    padding: 0.4rem 0.75rem;
    border-radius: var(--pb-radius-sm);
    transition: color 0.15s ease, background-color 0.15s ease;
}

    .navbar .nav-link:hover,
    .navbar .nav-link:focus {
        color: var(--pb-text);
        background-color: var(--pb-surface-muted);
    }

.navbar-toggler:focus {
    box-shadow: none;
}

.search-input {
    border: 1px solid var(--pb-border);
    background: var(--pb-surface-muted);
    border-radius: var(--pb-radius-sm);
    font-size: 0.875rem;
    padding: 0.375rem 0.75rem;
    transition: all 0.15s ease;
    min-width: 180px;
}

    .search-input:focus {
        background: #fff;
        border-color: var(--pb-border-strong);
        box-shadow: 0 0 0 3px rgba(23, 23, 23, 0.05);
        outline: none;
    }

/* ============================================================
   Buttons
   ============================================================ */
.btn {
    font-weight: 500;
    border-radius: var(--pb-radius-sm);
    font-size: 0.875rem;
    padding: 0.4375rem 0.875rem;
    transition: background-color 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}

.btn-dark {
    background-color: var(--pb-accent);
    border-color: var(--pb-accent);
}

    .btn-dark:hover,
    .btn-dark:focus {
        background-color: var(--pb-accent-hover);
        border-color: var(--pb-accent-hover);
    }

.btn-primary {
    --bs-btn-bg: var(--pb-accent);
    --bs-btn-border-color: var(--pb-accent);
    --bs-btn-hover-bg: var(--pb-accent-hover);
    --bs-btn-hover-border-color: var(--pb-accent-hover);
    --bs-btn-active-bg: #0a0a0a;
    --bs-btn-active-border-color: #0a0a0a;
    --bs-btn-color: #fff;
}

.btn-outline-secondary {
    --bs-btn-color: var(--pb-text);
    --bs-btn-border-color: var(--pb-border-strong);
    --bs-btn-hover-bg: var(--pb-surface-muted);
    --bs-btn-hover-border-color: var(--pb-border-strong);
    --bs-btn-hover-color: var(--pb-text);
    --bs-btn-active-bg: var(--pb-surface-muted);
    --bs-btn-active-border-color: var(--pb-border-strong);
    --bs-btn-active-color: var(--pb-text);
}

/* ============================================================
   Cards
   ============================================================ */
.card {
    background: var(--pb-surface);
    border: 1px solid var(--pb-border);
    border-radius: var(--pb-radius);
    box-shadow: var(--pb-shadow-sm);
}

.card-header,
.card-footer {
    background: var(--pb-surface);
    border-color: var(--pb-border);
}

/* ============================================================
   Forms
   ============================================================ */
.form-control,
.form-select {
    border-radius: var(--pb-radius-sm);
    border-color: var(--pb-border);
    font-size: 0.9375rem;
    padding: 0.5rem 0.75rem;
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

    .form-control:focus,
    .form-select:focus {
        border-color: var(--pb-border-strong);
        box-shadow: 0 0 0 3px rgba(23, 23, 23, 0.05);
    }

.form-label {
    font-weight: 500;
    color: var(--pb-text);
    font-size: 0.875rem;
    margin-bottom: 0.375rem;
}

/* ============================================================
   Tables
   ============================================================ */
.table {
    --bs-table-bg: var(--pb-surface);
    --bs-table-border-color: var(--pb-border);
    --bs-table-hover-bg: var(--pb-surface-muted);
    font-size: 0.9375rem;
    margin-bottom: 0;
}

    .table > thead th {
        font-weight: 500;
        text-transform: uppercase;
        font-size: 0.6875rem;
        letter-spacing: 0.06em;
        color: var(--pb-text-muted);
        border-bottom: 1px solid var(--pb-border);
        padding: 0.75rem 1rem;
        background: var(--pb-surface);
    }

    .table > tbody td {
        padding: 0.875rem 1rem;
        vertical-align: middle;
        border-color: var(--pb-border);
    }

/* ============================================================
   Badges
   ============================================================ */
.badge {
    font-weight: 500;
    letter-spacing: 0.01em;
}

    .badge.bg-success-subtle {
        background: var(--pb-success-bg) !important;
        color: var(--pb-success) !important;
        border-color: rgba(5, 150, 105, 0.15) !important;
    }

    .badge.bg-warning-subtle {
        background: var(--pb-warning-bg) !important;
        color: var(--pb-warning) !important;
        border-color: rgba(217, 119, 6, 0.15) !important;
    }

    .badge.bg-danger-subtle {
        background: var(--pb-danger-bg) !important;
        color: var(--pb-danger) !important;
    }

    .badge.bg-light {
        background: var(--pb-surface-muted) !important;
        color: var(--pb-text-muted) !important;
        border-color: var(--pb-border) !important;
    }

/* ============================================================
   Typography helpers
   ============================================================ */
h1, h2, h3, h4, h5, h6 {
    color: var(--pb-text);
    font-weight: 600;
    letter-spacing: -0.015em;
}

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

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

.text-dark {
    color: var(--pb-text) !important;
}

/* ============================================================
   Footer
   ============================================================ */
.site-footer {
    background: transparent;
    border-top: 1px solid var(--pb-border);
}

.footer-link {
    color: var(--pb-text-muted);
    text-decoration: none;
    transition: color 0.15s ease;
}

    .footer-link:hover {
        color: var(--pb-text);
    }

/* ============================================================
   Toast container
   ============================================================ */
#toast-container {
    max-width: 24rem;
}

/* ============================================================
   Prose (rendered Markdown in Blog/Post)
   ============================================================ */
.prose-content {
    font-size: 1.0625rem;
    line-height: 1.75;
    color: var(--pb-text);
}

    .prose-content h1,
    .prose-content h2,
    .prose-content h3 {
        margin-top: 2rem;
        margin-bottom: 0.75rem;
        letter-spacing: -0.02em;
    }

    .prose-content p {
        margin-bottom: 1.25rem;
    }

    .prose-content a {
        color: var(--pb-text);
        text-decoration: underline;
        text-decoration-color: var(--pb-border-strong);
        text-underline-offset: 3px;
        transition: text-decoration-color 0.15s ease;
    }

        .prose-content a:hover {
            text-decoration-color: var(--pb-text);
        }

    .prose-content pre {
        background: #171717;
        color: #fafafa;
        padding: 1rem 1.25rem;
        border-radius: var(--pb-radius);
        overflow-x: auto;
        font-size: 0.875rem;
        line-height: 1.6;
    }

    .prose-content code {
        background: var(--pb-surface-muted);
        padding: 0.125rem 0.375rem;
        border-radius: 0.25rem;
        font-size: 0.875em;
    }

    .prose-content pre code {
        background: transparent;
        padding: 0;
        color: inherit;
        font-size: inherit;
    }

    .prose-content blockquote {
        border-left: 3px solid var(--pb-border-strong);
        padding-left: 1rem;
        color: var(--pb-text-muted);
        font-style: italic;
        margin: 1.5rem 0;
    }

    .prose-content img {
        max-width: 100%;
        height: auto;
        border-radius: var(--pb-radius);
        /* keine Monochrom-Filter — Bilder bleiben farbig */
    }

    .prose-content hr {
        border: 0;
        border-top: 1px solid var(--pb-border);
        margin: 2rem 0;
    }

/* ============================================================
   Responsive tweaks
   ============================================================ */
@media (max-width: 767.98px) {
    .navbar .search-input {
        min-width: 0;
        width: 100%;
    }
}

/* ============================================================
   Reduced motion
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        transition: none !important;
        animation: none !important;
    }
}

/* ============================================================
   User area (Header)
   ============================================================ */
.nav-user {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

/* User chip (avatar + name) */
.user-chip {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.25rem 0.625rem 0.25rem 0.25rem;
    background: var(--pb-surface-muted);
    border: 1px solid var(--pb-border);
    border-radius: 999px;
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--pb-text);
    text-decoration: none;
    transition: border-color 0.15s ease, background-color 0.15s ease;
    max-width: 12rem;
}

    .user-chip:hover,
    .user-chip:focus-visible {
        border-color: var(--pb-border-strong);
        background: #fff;
        color: var(--pb-text);
        outline: none;
    }

    .user-chip:focus-visible {
        box-shadow: 0 0 0 3px rgba(23, 23, 23, 0.08);
    }

.user-avatar {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 1.5rem;
    height: 1.5rem;
    border-radius: 50%;
    background: var(--pb-accent);
    color: #fff;
    font-size: 0.6875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.02em;
    flex-shrink: 0;
}

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

/* Logout icon button */
.btn-logout {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2rem;
    height: 2rem;
    padding: 0;
    color: var(--pb-text-muted);
    background: transparent;
    border: 1px solid var(--pb-border);
    border-radius: var(--pb-radius-sm);
    cursor: pointer;
    transition: color 0.15s ease, background-color 0.15s ease, border-color 0.15s ease;
}

    .btn-logout:hover,
    .btn-logout:focus-visible {
        color: var(--pb-danger);
        background: var(--pb-danger-bg);
        border-color: rgba(220, 38, 38, 0.2);
        outline: none;
    }

    .btn-logout:focus-visible {
        box-shadow: 0 0 0 3px rgba(23, 23, 23, 0.08);
    }

/* Responsive: hide name on very small screens */
@media (max-width: 575.98px) {
    .user-chip {
        padding: 0.25rem;
        max-width: none;
    }

        .user-chip .user-name {
            display: none;
        }
}

/* ============================================================
   Navbar dropdown — Stil angepasst an das Design
   ============================================================ */
.navbar .dropdown-menu {
    margin-top: 0.5rem;
    padding: 0.375rem;
    background: var(--pb-surface);
    border: 1px solid var(--pb-border);
    border-radius: var(--pb-radius);
    box-shadow: var(--pb-shadow-lg);
    min-width: 12rem;
    animation: pb-fade-down 0.15s ease;
}

@keyframes pb-fade-down {
    from {
        opacity: 0;
        transform: translateY(-4px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.navbar .dropdown-item {
    padding: 0.5rem 0.75rem;
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--pb-text-muted);
    border-radius: var(--pb-radius-sm);
    transition: background-color 0.15s ease, color 0.15s ease;
}

    .navbar .dropdown-item:hover,
    .navbar .dropdown-item:focus {
        background: var(--pb-surface-muted);
        color: var(--pb-text);
    }

    .navbar .dropdown-item.active,
    .navbar .dropdown-item:active {
        background: var(--pb-surface-muted);
        color: var(--pb-text);
        font-weight: 600;
    }

/* Pfeil-Icon beim offenen Dropdown rotieren */
.navbar .dropdown-toggle::after {
    margin-left: 0.375rem;
    vertical-align: 0.125em;
    border-top-color: currentColor;
    border-right-width: 0.3em;
    border-left-width: 0.3em;
    transition: transform 0.15s ease;
}

.navbar .dropdown-toggle[aria-expanded="true"]::after {
    transform: rotate(180deg);
}

/* Aktiver Link bei geöffnetem Dropdown */
.navbar .nav-link.active,
.navbar .nav-link.show {
    color: var(--pb-text);
}

/* Mobile: im offenen Collapse-Menü Dropdown-Inhalte inline anzeigen */
@media (max-width: 767.98px) {
    .navbar .dropdown-menu {
        position: static !important;
        box-shadow: none;
        border: 0;
        background: transparent;
        padding-left: 1rem;
        margin-top: 0;
        transform: none;
        animation: none;
    }

        .navbar .dropdown-menu .dropdown-item {
            padding-left: 0.75rem;
            border-left: 2px solid var(--pb-border);
            border-radius: 0;
        }

            .navbar .dropdown-menu .dropdown-item:hover {
                background: transparent;
                color: var(--pb-text);
                border-left-color: var(--pb-text);
            }

    .navbar .dropdown-toggle::after {
        display: none;
    }
}

@media (prefers-reduced-motion: reduce) {
    .navbar .dropdown-menu,
    .navbar .dropdown-toggle::after {
        animation: none !important;
        transition: none !important;
    }
}