/* =========================================
   NAVIGATION
   ========================================= */

/* 011-ui-widget-navigation 009: Mobile Header padding 20px */
/* Änderungsprotokoll: 2026-08-19 | parent-agent | @skill-css-rules, @skill-change-provenance | Navigation hochwertiger gestaltet */
.base-nav-container {
    max-width: 960px;
    margin: 0 auto;
    padding: 10px 16px;
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    width: 100%;
    box-sizing: border-box;
    gap: 0.75rem;
    border-bottom: none;
}

@media (max-width: 575px) {
    .base-nav-container {
        padding-left: 20px;
        padding-right: 20px;
    }
}


.base-nav-links {
    grid-column: 2;
    justify-self: center;
    display: flex;
    gap: 1rem;
}

.base-nav-links-open {
    grid-column: 2;
    justify-self: center;
    display: flex;
    gap: 1rem;
}

.base-nav-link-auth {
    display: none;
}

.base-nav-menu-toggle {
    display: none;
}

.base-nav-right-group {
    grid-column: 3;
    justify-self: end;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.base-nav-links-mobile {
    display: none;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--color-surface);
    padding: 2rem;
    border-bottom: 1px solid var(--color-border);
    box-shadow: none;
}

@media (max-width: 1023px) {
    .base-layout-header {
        position: relative;
        z-index: 10001;
    }

    .base-nav-container {
        display: flex;
        flex-wrap: wrap;
        justify-content: space-between;
        align-items: center;
        position: relative;
    }

    .base-nav-logo {
        justify-self: auto;
        position: relative;
        z-index: 10002;
    }

    .base-nav-right-group {
        position: relative;
        z-index: 10002;
        grid-column: unset;
        justify-self: unset;
    }

    .base-nav-menu-toggle {
        position: relative;
        z-index: 10003;
    }

    .base-nav-links {
        display: none;
        grid-column: unset;
        justify-self: unset;
        flex-direction: column;
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        width: 100%;
        max-width: 100%;
        box-sizing: border-box;
        background-color: var(--color-surface);
        padding: 5.5rem 20px 2rem 20px;
        overflow-y: auto;
        overflow-x: hidden;
        z-index: 10000;
        gap: 1rem;
    }

    .base-nav-links-open {
        display: flex;
        flex-direction: column;
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        width: 100%;
        max-width: 100%;
        box-sizing: border-box;
        background-color: var(--color-surface);
        padding: 5.5rem 20px 2rem 20px;
        overflow-y: auto;
        overflow-x: hidden;
        z-index: 10000;
        gap: 1rem;
        border-bottom: none;
        box-shadow: none;
    }

    .base-nav-link-auth {
        display: block;
    }

    .base-nav-link,
    .base-nav-link-auth {
        font-size: var(--font-size-lg);
        padding: 0.65rem 1rem;
        width: 100%;
        box-sizing: border-box;
    }

    .base-nav-link::after,
    .base-nav-link-auth::after {
        left: 1rem;
        right: auto;
        width: 2.5rem;
    }
}

.base-nav-actions {
    display: flex;
    gap: 1rem;
    align-items: center;
}

/* Änderungsprotokoll: 2026-06-22 | 033-check-offene-themen | @skill-css-rules, @skill-change-provenance | Kompakte Primary-LG-Buttons in Header-Actions wie Secondary-LG */
/* Änderungsprotokoll: 2026-08-19 | parent-agent | @skill-css-rules, @skill-change-provenance | Nav-Login-Button hochwertiger: Primary-Fill, Rundung, Transition */
.base-nav-actions > .base-button-secondary-lg,
.base-nav-actions > .base-button-primary-lg {
    padding: 0.5rem;
    width: 2.5rem;
    height: 2.5rem;
    min-width: 2.5rem;
    min-height: 2.5rem;
    gap: 0;
    background: var(--color-primary);
    color: #ffffff;
    border: none;
    border-radius: 50%;
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.12);
    transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease;
}

.base-nav-actions > .base-button-secondary-lg:hover,
.base-nav-actions > .base-button-primary-lg:hover {
    background: var(--color-primary-hover, var(--color-primary));
    transform: scale(1.08);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.18);
    color: #ffffff;
    border: none;
}

.base-nav-actions-center {
    display: flex;
    gap: 1rem;
    align-items: center;
    justify-content: center;
}

@media (max-width: 1023px) {
    .base-nav-actions {
        display: none;
    }
}

.base-nav-menu-toggle {
    background: none;
    border: none;
    cursor: pointer;
    color: var(--color-text);
}

@media (max-width: 1023px) {
    .base-nav-menu-toggle {
        display: block;
    }
}

.base-nav-menu-icon {
    display: block;
    width: 24px;
    height: 24px;
}

.sw-hidden {
    display: none;
}

/* =========================================
   TOOLS DROPDOWN
   Aenderungsprotokoll: 2026-08-19 | parent-agent | @skill-css-rules, @skill-change-provenance | Tools-Dropdown Navigation
   ========================================= */

.base-nav-tools-dropdown {
    position: relative;
}

.base-nav-tools-trigger {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    cursor: pointer;
    background: none;
    border: none;
    font: inherit;
}

.base-nav-tools-chevron {
    transition: transform 0.2s ease;
    flex-shrink: 0;
}

.base-nav-tools-trigger[aria-expanded="true"] .base-nav-tools-chevron {
    transform: rotate(180deg);
}

.base-nav-tools-panel {
    display: none;
    position: absolute;
    top: calc(100% + 0.5rem);
    left: 50%;
    transform: translateX(-50%);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.12);
    padding: 1.25rem;
    z-index: 10100;
    min-width: 520px;
    opacity: 0;
    transition: opacity 0.15s ease;
}

.base-nav-tools-panel-open {
    display: block;
    opacity: 1;
}

.base-nav-tools-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.25rem;
}

.base-nav-tools-group {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
}

.base-nav-tools-group-title {
    font-size: var(--font-size-xs, 0.7rem);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--color-text-muted);
    padding-bottom: 0.25rem;
    border-bottom: 1px solid var(--color-border);
    margin-bottom: 0.15rem;
}

.base-nav-tools-link {
    font-size: var(--font-size-sm, 0.85rem);
    color: var(--color-text);
    text-decoration: none;
    padding: 0.3rem 0.4rem;
    border-radius: 6px;
    transition: background 0.15s ease, color 0.15s ease;
    white-space: nowrap;
}

.base-nav-tools-link:hover {
    background: var(--color-primary-light, rgba(99, 102, 241, 0.08));
    color: var(--color-primary);
}

@media (max-width: 1023px) {
    .base-nav-tools-panel {
        position: static;
        transform: none;
        border: none;
        box-shadow: none;
        padding: 0 0 0 1rem;
        min-width: auto;
        background: transparent;
    }

    .base-nav-tools-panel-open {
        display: block;
        opacity: 1;
    }

    .base-nav-tools-grid {
        grid-template-columns: 1fr;
        gap: 0.75rem;
    }

    .base-nav-tools-group-title {
        font-size: var(--font-size-sm, 0.85rem);
    }

    .base-nav-tools-link {
        font-size: var(--font-size-lg);
        padding: 0.5rem 0.75rem;
    }

    .base-nav-tools-trigger {
        font-size: var(--font-size-lg);
        padding: 0.65rem 1rem;
        width: 100%;
        box-sizing: border-box;
    }
}

.base-theme-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border: none;
    border-radius: 50%;
    background: transparent;
    color: var(--color-text-muted);
    cursor: pointer;
    transition: color 0.2s;
}

.base-theme-toggle:hover {
    color: var(--color-text);
}

.base-theme-icon {
    width: 20px;
    height: 20px;
}