/* Navigation CSS – Light Design wie seo-day.de */

/* Navigation Container */
.base-navigation-logo {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    height: 100%;
    position: relative;
    z-index: 10;
}

/* Main Navigation - laut ui-widget-navigation.mdc Regel 013: horizontal zentriert */
.navigation-main {
    flex: 1;
    min-width: 0;
    display: flex;
    justify-content: center;
    align-items: center;
}

.navigation-list {
    display: flex;
    list-style: none;
    gap: 8px;
    align-items: center;
    margin: 0;
    padding: 0;
}

.navigation-item {
    position: relative;
}

/* Navigation Links – schwarze Schrift, Teal-Hover wie seo-day.de; keine Unterstreichung (Briefing navigation.md 003.006) */
.navigation-link,
.base-navigation-link.navigation-link,
.base-navigation-link.navigation-link:hover,
.base-navigation-link.navigation-link:visited,
.base-navigation-link.navigation-link:focus,
.base-navigation-link.navigation-link:active {
    display: inline-block;
    padding: 1rem 1.5rem;
    color: var(--color-text-primary);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    transition: color 0.2s ease, background-color 0.2s ease;
    border-radius: 8px;
    background-color: transparent;
    border: none;
    position: relative;
}

/* Änderungsprotokoll: 2026-06-01 | Hauptagent | @skill-css-rules, @skill-change-provenance | Header-Nav ohne Unterstreichung/::after-Linie */
.navigation-link::after,
.navigation-link:hover::after,
.navigation-link-active::after {
    display: none;
    content: none;
}

.navigation-link:hover,
.base-navigation-link.navigation-link:hover {
    color: var(--color-teal);
    background-color: rgba(28, 122, 126, 0.08);
    text-decoration: none;
}

/* Focus State */
.navigation-link:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 3px;
}

/* Active Link - Deutlich hervorgehoben */
.navigation-link-active {
    color: var(--color-teal);
    background-color: rgba(28, 122, 126, 0.1);
}

.navigation-link-active:hover {
    background-color: rgba(28, 122, 126, 0.14);
}

/* Navigation Link Labels - EXTREM SIMPLE für maximale Lesbarkeit */
.navigation-link-label,
.navigation-mobile-link-label {
    color: inherit;
}

/* User-Avatar (Mein Bereich) - Kreis mit Initial wie Hello-World-Projekt */
.navigation-user-avatar-link {
    padding: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.navigation-user-avatar-link::after {
    display: none;
}

.navigation-header-user-avatar-link {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0.5rem;
    color: var(--color-text-primary);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    transition: all 0.2s ease;
    border-radius: 8px;
    background-color: transparent;
    border: none;
    position: relative;
}

.navigation-header-user-avatar-link::after {
    display: none;
}

.navigation-header-user-avatar-link:hover {
    color: var(--color-primary);
    background-color: rgba(255, 152, 0, 0.1);
}

.navigation-header-user-avatar-link:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 3px;
}

.navigation-user-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--color-primary);
    border: 1px solid var(--color-primary-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-on-primary);
    font-weight: var(--font-weight-bold);
    font-size: var(--font-size-sm);
    transition: all 0.2s ease;
}

.navigation-user-avatar:hover {
    background: var(--color-primary-light);
    border-color: var(--color-primary);
    color: var(--color-text-on-primary);
}

.navigation-mobile-user-avatar-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 2rem;
    color: var(--color-text-primary);
    text-decoration: none;
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-medium);
    text-transform: uppercase;
    letter-spacing: var(--letter-spacing-wide);
    transition: all 0.3s ease;
    border-bottom: 1px solid var(--color-border);
    background: var(--color-surface);
    position: relative;
    overflow: hidden;
}

.navigation-mobile-user-avatar-link:hover {
    background: var(--color-surface-hover);
    color: var(--color-primary);
}

.navigation-user-avatar-mobile {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--color-primary);
    border: 1px solid var(--color-primary-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-on-primary);
    font-weight: var(--font-weight-bold);
    font-size: 0.875rem;
    transition: all 0.2s ease;
}

.navigation-user-avatar-mobile:hover {
    background: var(--color-primary-light);
    border-color: var(--color-primary);
    color: var(--color-text-on-primary);
}

@keyframes navigation-gradient-pan {
    0% {
        background-position: 0% 50%;
    }
    100% {
        background-position: 100% 50%;
    }
}

@media (prefers-reduced-motion: reduce) {
    .navigation-link,
    .navigation-mobile-link,
    .navigation-link-label,
    .navigation-mobile-link-label {
        transition: none !important;
        animation: none !important;
    }
    
    .navigation-link-label::after,
    .navigation-mobile-link-label::after,
    .navigation-link::after {
        animation: none !important;
        opacity: 0 !important;
        transform: none !important;
    }
}

/* Mobile Active Link Styling */
.navigation-mobile-link-active {
    background: rgba(var(--color-secondary-rgb), 0.1);
    color: var(--color-teal);
    border-bottom: 1px solid var(--color-teal);
}

/* seo-day.de Header-Navigation (Vorlage briefing/vorlagen/seo-day-home) */

.base-layout-header {
    overflow-x: clip;
}

.base-header-toolbar-actions {
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: flex-end;
    gap: 0.75rem;
    flex-shrink: 0;
    min-width: 0;
    box-sizing: border-box;
}

.base-hamburger-menu-button {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
    width: 44px;
    height: 44px;
    padding: 0;
    border: none;
    background: transparent;
    cursor: pointer;
    flex-shrink: 0;
    position: relative;
    z-index: 10020;
    touch-action: manipulation;
    -webkit-tap-highlight-color: transparent;
}

.base-hamburger-line {
    display: block;
    width: 22px;
    height: 2px;
    background-color: var(--color-text-primary);
    border-radius: 1px;
    transition: transform 0.25s ease, opacity 0.25s ease;
}

.base-hamburger-menu-button-active .base-hamburger-line:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.base-hamburger-menu-button-active .base-hamburger-line:nth-child(2) {
    opacity: 0;
}

.base-hamburger-menu-button-active .base-hamburger-line:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

.base-hamburger-menu-button-active {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
    width: 44px;
    height: 44px;
    padding: 0;
    border: none;
    position: fixed;
    top: 18px;
    right: 20px;
    z-index: 10020;
    background: var(--glass-header-bg);
    border: 1px solid var(--glass-border-edge);
    border-radius: 8px;
    box-shadow: var(--shadow-overlay-panel);
    cursor: pointer;
    touch-action: manipulation;
    -webkit-tap-highlight-color: transparent;
}

.base-navigation {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--glass-header-bg);
    backdrop-filter: blur(var(--glass-blur-header));
    -webkit-backdrop-filter: blur(var(--glass-blur-header));
    z-index: 10010;
    overflow-y: auto;
    overflow-x: hidden;
    box-shadow: var(--shadow-overlay-panel);
    padding: 0;
    margin: 0;
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
}

.base-navigation.base-open,
.base-navigation.base-mobile-open {
    display: flex;
    flex-direction: column;
    align-items: stretch;
}

.base-navigation-list {
    list-style: none;
    margin: 0;
    padding: 20px;
    padding-top: 80px;
    display: flex;
    flex-direction: column;
    gap: 0;
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
}

.base-navigation-item {
    margin: 0;
    padding: 0;
    border-bottom: 1px solid var(--color-border);
}

.base-navigation-item:last-child {
    border-bottom: none;
}

.base-navigation-link {
    display: block;
    padding: 14px 0;
    font-family: var(--font-family-primary);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-normal);
    color: var(--color-text-primary);
    text-decoration: none;
    text-transform: uppercase;
    letter-spacing: var(--letter-spacing-wide);
    transition: color 0.2s ease, background-color 0.2s ease;
}

.base-navigation-link:hover {
    color: var(--color-teal);
}

.base-navigation-item-dropdown .base-navigation-link {
    cursor: pointer;
}

.base-has-dropdown {
    position: relative;
}

.base-navigation-dropdown {
    list-style: none;
    margin: 0;
    padding: 0 0 8px 16px;
    display: block;
}

.base-navigation-dropdown-link {
    display: block;
    padding: 10px 0;
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    text-decoration: none;
    text-transform: uppercase;
}

.base-navigation-dropdown-link:hover {
    color: var(--color-teal);
}

body.base-navigation-mobile-scroll-lock {
    overflow: hidden;
}

@media (max-width: 575px) {
    .base-hamburger-menu-button-active {
        top: 12px;
        right: 10px;
        width: 56px;
        height: 56px;
        border-radius: 10px;
    }

    .base-hamburger-menu-button-active .base-hamburger-line {
        width: 26px;
        height: 3px;
    }
}

/* Änderungsprotokoll: 2026-06-01 | Hauptagent | @skill-css-rules, briefing/navigation.md 004 | Desktop-Nav ab 1200px (Hamburger bis 1199px) */
@media (min-width: 1200px) {
    .base-hamburger-menu-button {
        display: none;
    }

    /* Änderungsprotokoll: 2026-06-01 | Hauptagent | @skill-css-rules, @skill-change-provenance | Desktop-Nav eine Zeile, Breite nutzen */
    .base-navigation.navigation-main {
        display: flex;
        position: relative;
        top: auto;
        left: auto;
        right: auto;
        bottom: auto;
        background: transparent;
        overflow: visible;
        box-shadow: none;
        flex: 1;
        justify-content: center;
        align-items: center;
        margin-left: 16px;
        min-width: 0;
        width: 100%;
        z-index: 1002;
    }

    .base-navigation.base-open,
    .base-navigation.base-mobile-open {
        display: flex;
    }

    .base-navigation-list.navigation-list {
        flex-direction: row;
        flex-wrap: nowrap;
        align-items: center;
        justify-content: space-between;
        width: 100%;
        max-width: 100%;
        padding: 0;
        gap: 2px;
    }

    .base-navigation-item.navigation-item {
        border-bottom: none;
        position: relative;
    }

    .base-navigation-link.navigation-link {
        padding: 8px 10px;
        font-size: var(--font-size-sm);
        letter-spacing: 0.06em;
        white-space: nowrap;
    }

    .base-navigation-dropdown {
        position: absolute;
        top: 100%;
        left: 0;
        min-width: 220px;
        max-width: calc(100vw - 40px);
        padding: 12px 0 8px 0;
        margin-top: -4px;
        background: var(--color-surface);
        box-shadow: var(--shadow-medium);
        border: 1px solid var(--glass-border-edge);
        border-radius: 4px;
        display: none;
        z-index: 10050;
    }

    .base-navigation-item-dropdown:hover .base-navigation-dropdown {
        display: block;
    }

    .base-navigation-dropdown-link {
        padding: 10px 16px;
    }

    .base-navigation-dropdown-link:hover {
        background-color: var(--color-surface-hover);
        color: var(--color-teal);
    }
}

/* Legacy: ausgeblendet (seo-day-Pattern) */
.navigation-mobile {
    display: none;
}

@media (max-width: 575px) {
    .navigation-link {
        padding: 0.5rem 0.75rem;
        font-size: var(--font-size-sm);
    }
}