:root {
    --color-header-bg: #1e3a5f;
    --color-header-text: #f5f7fa;
    --color-header-link: #e2e8f0;
    --color-header-link-hover: #ffffff;
    --color-nav-active: #63b3ed;
    --color-body-bg: #eef4fc;
    --color-card-bg: #ffffff;
    --color-card-border: #c5d4e8;
    --color-text: #2c3e50;
    --color-text-muted: #5a6c7d;
    --color-accent: #1e3a5f;
    --font-sans: 'Segoe UI', system-ui, -apple-system, sans-serif;
    --shadow-card: 0 2px 8px rgba(30, 58, 95, 0.1);
    --radius: 8px;
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: var(--font-sans);
    font-size: 16px;
    line-height: 1.5;
    color: var(--color-text);
    background: var(--color-body-bg);
}

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.site-header {
    background: var(--color-header-bg);
    color: var(--color-header-text);
    padding: 0.75rem 0;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 6px rgba(30, 58, 95, 0.3);
}

.header-inner {
    max-width: 960px;
    margin: 0 auto;
    padding: 0 1.25rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1rem;
}

.site-logo {
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--color-header-link);
    text-decoration: none;
}

.site-logo:hover {
    color: var(--color-header-link-hover);
}

.main-nav ul {
    margin: 0;
    padding: 0;
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    gap: 0.25rem;
}

.main-nav a {
    display: block;
    padding: 0.5rem 1rem;
    color: var(--color-header-link);
    text-decoration: none;
    border-radius: var(--radius);
    font-weight: 500;
}

.main-nav a:hover {
    color: var(--color-header-link-hover);
    background: rgba(255, 255, 255, 0.1);
}

.main-nav a:focus {
    outline: 2px solid var(--color-nav-active);
    outline-offset: 2px;
}

.main-content {
    max-width: 960px;
    margin: 0 auto;
    padding: 2rem 1.25rem 3rem;
}

.panel-slot {
    min-height: 200px;
}

.panel-placeholder-msg {
    margin: 0;
    padding: 2rem;
    text-align: center;
    color: var(--color-text-muted);
    background: var(--color-card-bg);
    border: 1px dashed var(--color-card-border);
    border-radius: var(--radius);
}

.panel-placeholder-msg strong {
    color: var(--color-accent);
}

.panel-placeholder-msg a {
    color: var(--color-accent);
    text-decoration: none;
}

.panel-placeholder-msg a:hover {
    text-decoration: underline;
}

.api-section.panel {
    display: none;
    margin-bottom: 0;
}

.api-section.panel.is-active {
    display: block;
}

.api-section.panel[aria-hidden="false"] {
    display: block;
}

.api-section.panel[aria-hidden="true"] {
    display: none;
}

.api-section {
    background: var(--color-card-bg);
    border: 1px solid var(--color-card-border);
    border-radius: var(--radius);
    box-shadow: var(--shadow-card);
    padding: 1.5rem 1.75rem;
    margin-bottom: 1.5rem;
}

.api-section:last-of-type {
    margin-bottom: 0;
}

.weather-coords-bar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.5rem 1rem;
    margin-bottom: 1rem;
    font-size: 0.9rem;
}

.coords-label {
    font-weight: 600;
    color: var(--color-text);
}

.coords-display {
    font-family: ui-monospace, monospace;
    color: var(--color-accent);
}

.coords-hint {
    color: var(--color-text-muted);
    font-style: italic;
}

.weather-map-wrap {
    position: relative;
    margin-bottom: 1rem;
}

.weather-map {
    width: 100%;
    height: 320px;
    background: var(--color-body-bg);
    border: 1px solid var(--color-card-border);
    border-radius: var(--radius);
}

.weather-use-location-btn {
    position: absolute;
    top: 3.25rem;
    right: 0.5rem;
    z-index: 10;
    width: 2.5rem;
    height: 2.5rem;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-card-bg);
    border: 1px solid var(--color-card-border);
    border-radius: 50%;
    box-shadow: 0 1px 4px rgba(0,0,0,0.2);
    cursor: pointer;
}

.weather-use-location-btn:hover:not(:disabled) {
    background: var(--color-body-bg);
}

.weather-use-location-btn:disabled {
    opacity: 0.7;
    cursor: wait;
}

.weather-use-location-icon {
    width: 1rem;
    height: 1rem;
    border: 2px solid var(--color-accent);
    border-radius: 50%;
    background: radial-gradient(circle at center, var(--color-accent) 0%, var(--color-accent) 28%, transparent 30%);
}

.weather-forecast-actions {
    margin-bottom: 1rem;
}

.weather-sun-result {
    margin: 0 0 0.75rem 0;
    font-size: 0.9rem;
    color: var(--color-text);
}

.weather-sun-block {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.75rem 1.5rem;
}

.weather-sun-item {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
}

.weather-sun-icon {
    font-size: 1.1rem;
}

.weather-load-forecast-btn {
    padding: 0.5rem 1rem;
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-card-bg);
    background: var(--color-accent);
    border: none;
    border-radius: var(--radius);
    cursor: pointer;
}

.weather-load-forecast-btn:hover:not(:disabled) {
    filter: brightness(1.1);
}

.weather-load-forecast-btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}

.weather-forecast-result {
    margin-bottom: 1rem;
    min-height: 2rem;
}

.weather-forecast-result.is-loading {
    color: var(--color-text-muted);
}

.weather-forecast-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
}

.weather-forecast-table th,
.weather-forecast-table td {
    padding: 0.5rem 0.75rem;
    text-align: left;
    border-bottom: 1px solid var(--color-card-border);
}

.weather-forecast-table th {
    font-weight: 600;
    color: var(--color-accent);
    background: var(--color-body-bg);
}

.weather-cell-icon {
    width: 2.5rem;
    text-align: center;
    vertical-align: middle;
}

.wind-cell {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    white-space: nowrap;
}

.wind-cell .wind-barb {
    flex-shrink: 0;
    color: var(--color-accent);
}

.wind-cell-text {
    font-size: 0.85em;
    color: var(--color-text);
}

.weather-icon {
    display: inline-block;
    font-size: 1.75rem;
    line-height: 1;
}

.weather-forecast-error {
    color: #c53030;
    margin: 0;
}

.weather-forecast-source-title {
    margin: 1.5rem 0 0.5rem 0;
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--color-accent);
}

.weather-forecast-source-title:first-child {
    margin-top: 0;
}

.weather-forecast-source-meta {
    margin: 0 0 0.75rem 0;
    font-size: 0.85rem;
    color: var(--color-text-muted);
}

.weather-forecast-source-meta a {
    color: var(--color-accent);
    text-decoration: none;
}

.weather-forecast-source-meta a:hover {
    text-decoration: underline;
}

.weather-kp-block {
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--color-card-border);
}

.weather-kp-title {
    margin: 0 0 0.25rem 0;
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--color-accent);
}

.weather-kp-meta {
    margin: 0 0 0.75rem 0;
    font-size: 0.85rem;
    color: var(--color-text-muted);
}

.weather-kp-result {
    min-height: 1.5rem;
}

.weather-kp-result.is-loading {
    color: var(--color-text-muted);
}

.weather-kp-summary {
    margin: 0 0 0.75rem 0;
}

.weather-kp-current {
    margin: 0 0 0.25rem 0;
}

.weather-kp-value {
    font-size: 1.25rem;
}

.weather-kp--green {
    color: #0d8050;
    font-weight: 600;
}

.weather-kp--yellow {
    color: #b38600;
    font-weight: 600;
}

.weather-kp--red {
    color: #c53030;
    font-weight: 700;
}

.weather-kp-scale {
    font-weight: 600;
    color: var(--color-accent);
}

.weather-kp-desc {
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

.weather-kp-time {
    margin: 0 0 0.5rem 0;
    font-size: 0.85rem;
    color: var(--color-text-muted);
}

.weather-kp-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.85rem;
    margin-bottom: 0.5rem;
}

.weather-kp-table td {
    padding: 0.25rem 0.5rem;
    border-bottom: 1px solid var(--color-card-border);
}

.weather-kp-source {
    margin: 0;
    font-size: 0.8rem;
    color: var(--color-text-muted);
}

.weather-kp-source a {
    color: var(--color-accent);
}

.metar-taf-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1.25rem;
}

.metar-taf-station-btn {
    padding: 0.5rem 1rem;
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-card-bg);
    background: var(--color-accent);
    border: none;
    border-radius: var(--radius);
    cursor: pointer;
}

.metar-taf-station-btn:hover:not(:disabled) {
    filter: brightness(1.1);
}

.metar-taf-station-btn:disabled {
    opacity: 0.7;
    cursor: wait;
}

.metar-taf-result {
    min-height: 2rem;
}

.metar-taf-result.is-loading {
    color: var(--color-text-muted);
}

.metar-taf-error-msg {
    margin: 0 0 0.75rem 0;
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

.metar-taf-block {
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--color-card-border);
}

.metar-taf-station-title {
    margin: 0 0 0.5rem 0;
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--color-accent);
}

.metar-taf-label {
    margin: 0.75rem 0 0.25rem 0;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-text-muted);
}

.metar-taf-label:first-of-type {
    margin-top: 0;
}

.metar-taf-text {
    margin: 0;
    padding: 0.5rem 0.75rem;
    font-family: ui-monospace, monospace;
    font-size: 0.9rem;
    line-height: 1.4;
    background: var(--color-body-bg);
    border: 1px solid var(--color-card-border);
    border-radius: var(--radius);
    overflow-x: auto;
    white-space: pre-wrap;
    word-break: break-all;
}

.section-title {
    margin: 0 0 0.25rem 0;
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-accent);
}

.section-meta {
    margin: 0 0 1rem 0;
    font-size: 0.9rem;
    color: var(--color-text-muted);
}

.section-placeholder {
    min-height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-muted);
    background: var(--color-body-bg);
    border-radius: var(--radius);
    border: 1px dashed var(--color-card-border);
}

.loading-text {
    font-style: italic;
}

.loading-hint {
    margin: 0.25rem 0 0 0;
    font-size: 0.85rem;
    color: var(--color-text-muted);
}

.site-footer {
    background: var(--color-header-bg);
    color: var(--color-header-link);
    padding: 1rem 1.25rem;
    font-size: 0.875rem;
    text-align: center;
}

.footer-inner {
    max-width: 960px;
    margin: 0 auto;
}

.site-footer p {
    margin: 0;
}

.site-footer .footer-coords {
    margin-bottom: 0.5rem;
}

.site-footer .footer-legal {
    margin: 0;
    font-size: 0.85rem;
}

.site-footer .footer-legal a {
    color: var(--color-nav-active);
    text-decoration: none;
}

.site-footer .footer-legal a:hover {
    text-decoration: underline;
}

.cookie-banner {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 1rem 1.25rem;
    background: var(--color-header-bg);
    color: var(--color-header-text);
    box-shadow: 0 -2px 12px rgba(0, 0, 0, 0.15);
}

.cookie-banner.is-visible {
    display: block;
}

.cookie-banner-inner {
    max-width: 960px;
    margin: 0 auto;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 1rem;
    justify-content: space-between;
}

.cookie-banner-text {
    margin: 0;
    font-size: 0.9rem;
    line-height: 1.45;
    flex: 1;
    min-width: 200px;
}

.cookie-banner-text a {
    color: var(--color-nav-active);
    text-decoration: underline;
}

.cookie-banner-text a:hover {
    color: var(--color-header-link-hover);
}

.cookie-banner-actions {
    flex-shrink: 0;
}

.cookie-banner-btn {
    padding: 0.5rem 1rem;
    font-size: 0.95rem;
    font-weight: 600;
    border: none;
    border-radius: var(--radius);
    cursor: pointer;
    background: var(--color-card-bg);
    color: var(--color-accent);
}

.cookie-banner-btn:hover {
    filter: brightness(0.95);
}

.cookie-banner-btn--accept {
    min-height: 44px;
}

.impressum-content {
    font-size: 0.95rem;
    line-height: 1.6;
}

.impressum-content p,
.impressum-content ul {
    margin: 0 0 0.75rem 0;
}

.impressum-content ul {
    padding-left: 1.25rem;
}

.impressum-content li {
    margin-bottom: 0.35rem;
}

.checklist-chapter {
    margin: 1.25rem 0 0.5rem 0;
    padding: 0.5rem 0.75rem;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--color-header-text);
    background: var(--color-accent);
    border-radius: var(--radius);
}

.checklist-chapter:first-child {
    margin-top: 0;
}

.checklist-table {
    width: 100%;
    table-layout: fixed;
    border-collapse: collapse;
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.checklist-table td {
    padding: 0.4rem 0.6rem;
    text-align: left;
    border-bottom: 1px solid var(--color-card-border);
    vertical-align: top;
}

.checklist-table td:nth-child(1) {
    width: 2.75rem;
    min-width: 2.75rem;
    text-align: center;
    vertical-align: middle;
}

.checklist-table td:nth-child(2) {
    width: 5rem;
    min-width: 5rem;
}

.checklist-table td:nth-child(3) {
    width: 42%;
}

.checklist-table td:nth-child(4) {
    width: auto;
}

.checklist-cell-cb {
    text-align: center;
    vertical-align: middle;
}

.checklist-cell-cb .checklist-cb {
    width: 1.25rem;
    height: 1.25rem;
    cursor: pointer;
    margin: 0;
}

.checklist-row-alldone td {
    font-weight: 600;
    background: var(--color-body-bg);
    border-top: 2px solid var(--color-card-border);
}

.checklist-cell-cb--empty {
    background: transparent;
}

.checklist-chapter--emergency {
    background: #8b2635;
    color: #fff;
    font-weight: 700;
}

.checklist-table--emergency,
.checklist-table--emergency td {
    font-weight: 700;
}

.checklist-table--emergency td {
    border-bottom-color: #e8c4c9;
}

.checklist-table--emergency tbody tr:hover {
    background: #fdf2f3;
}

.checklist-actions {
    margin: 0 0 1rem 0;
}

.checklist-clear-all-btn {
    padding: 0.4rem 0.75rem;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--color-accent);
    background: transparent;
    border: 1px solid var(--color-accent);
    border-radius: var(--radius);
    cursor: pointer;
}

.checklist-clear-all-btn:hover {
    background: var(--color-body-bg);
}

.checklist-manual-link {
    margin: 0 0 1rem 0;
    font-size: 0.95rem;
}

.checklist-manual-link a {
    color: var(--color-accent);
    font-weight: 600;
    text-decoration: none;
}

.checklist-manual-link a:hover {
    text-decoration: underline;
}

.checklist-content {
    margin-top: 0.5rem;
}

.checklist-afterflight {
    margin-top: 1.5rem;
    padding-top: 1rem;
    border-top: 1px solid var(--color-card-border);
}

.checklist-afterflight-label {
    display: block;
    margin: 0 0 0.35rem 0;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--color-text);
}

.checklist-notes {
    width: 100%;
    min-height: 6rem;
    padding: 0.6rem 0.75rem;
    font-family: var(--font-sans);
    font-size: 0.95rem;
    line-height: 1.5;
    color: var(--color-text);
    background: var(--color-body-bg);
    border: 1px solid var(--color-card-border);
    border-radius: var(--radius);
    resize: vertical;
    box-sizing: border-box;
}

.checklist-notes:focus {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
}

.checklist-notes::placeholder {
    color: var(--color-text-muted);
}

.checklist-notes-pdf {
    display: block;
    resize: none;
    max-height: none;
    overflow: visible;
}

.checklist-pdf-footer {
    margin: 1.25rem 0 0 0;
    padding-top: 0.75rem;
    border-top: 1px solid var(--color-card-border);
    font-size: 0.85rem;
    color: var(--color-text-muted);
}

.checklist-pdf-actions {
    margin: 1.5rem 0 0 0;
}

.checklist-pdf-btn {
    padding: 0.6rem 1.25rem;
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-card-bg);
    background: var(--color-accent);
    border: none;
    border-radius: var(--radius);
    cursor: pointer;
}

.checklist-pdf-btn:hover {
    filter: brightness(1.1);
}

@media (max-width: 768px) {
    .checklist-chapter {
        font-size: 1rem;
        padding: 0.45rem 0.6rem;
    }

    .checklist-table {
        font-size: 0.85rem;
    }

    .checklist-table td {
        padding: 0.35rem 0.5rem;
    }

    .checklist-table td:nth-child(1) {
        width: 2.75rem;
        min-width: 2.75rem;
    }

    .checklist-table td:nth-child(2) {
        width: 4rem;
        min-width: 4rem;
    }

    .checklist-table td:nth-child(3) {
        width: 40%;
    }
}

.google-reviews-summary,
.google-reviews-container {
    max-width: 100%;
}

@media (max-width: 768px) {
    .header-inner {
        padding: 0.5rem 1rem;
        gap: 0.5rem;
    }

    .site-header {
        padding: 0.5rem 0;
    }

    .site-logo {
        font-size: 1.1rem;
    }

    .main-nav a {
        padding: 0.6rem 0.75rem;
        min-height: 44px;
        min-width: 44px;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 0.9rem;
    }

    .main-content {
        padding: 1rem 1rem 2rem;
    }

    .api-section {
        padding: 1rem 1rem 1.25rem;
    }

    .section-title {
        font-size: 1.35rem;
    }

    .weather-coords-bar {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.35rem;
        font-size: 0.85rem;
    }

    .weather-map {
        height: 260px;
    }

    .weather-use-location-btn {
        width: 44px;
        height: 44px;
        top: 3.25rem;
        right: 0.5rem;
    }

    .weather-use-location-icon {
        width: 1.1rem;
        height: 1.1rem;
    }

    .weather-load-forecast-btn {
        width: 100%;
        padding: 0.75rem 1rem;
        min-height: 44px;
        font-size: 1rem;
    }

    .weather-forecast-result {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        margin-left: -0.25rem;
        margin-right: -0.25rem;
    }

    .weather-forecast-table {
        font-size: 0.8rem;
        min-width: 320px;
    }

    .weather-forecast-table th,
    .weather-forecast-table td {
        padding: 0.4rem 0.5rem;
    }

    .weather-cell-icon {
        width: 2.25rem;
    }

    .weather-icon {
        font-size: 1.5rem;
    }

    .panel-placeholder-msg {
        padding: 1.25rem 1rem;
        font-size: 0.95rem;
    }

    .site-footer {
        padding: 0.75rem 1rem;
        font-size: 0.8rem;
    }

    .footer-inner {
        padding: 0;
    }
}

@media (max-width: 480px) {
    .main-nav ul {
        gap: 0.15rem;
    }

    .main-nav a {
        padding: 0.5rem 0.5rem;
        font-size: 0.85rem;
    }

    .weather-map {
        height: 220px;
    }

    .section-title {
        font-size: 1.25rem;
    }
}

@supports (padding: env(safe-area-inset-top)) {
    .site-header {
        padding-top: max(0.5rem, env(safe-area-inset-top));
    }

    .main-content {
        padding-left: max(1rem, env(safe-area-inset-left));
        padding-right: max(1rem, env(safe-area-inset-right));
    }

    .site-footer {
        padding-bottom: max(0.75rem, env(safe-area-inset-bottom));
    }

    .cookie-banner {
        padding-bottom: max(1rem, env(safe-area-inset-bottom));
        padding-left: max(1rem, env(safe-area-inset-left));
        padding-right: max(1rem, env(safe-area-inset-right));
    }

    @media (max-width: 768px) {
        .weather-use-location-btn {
            top: max(3.25rem, calc(44px + env(safe-area-inset-top)));
            right: max(0.5rem, env(safe-area-inset-right));
        }
    }
}

@media (max-width: 768px) {
    .cookie-banner-inner {
        flex-direction: column;
        align-items: stretch;
        text-align: center;
    }

    .cookie-banner-btn--accept {
        width: 100%;
    }
}

@media print {
    .site-header,
    .cookie-banner,
    .site-footer,
    .checklist-pdf-actions {
        display: none !important;
    }

    .main-content {
        padding-top: 0;
    }

    .checklist-notes {
        background: #f9f9f9;
        border: 1px solid #ccc;
        -webkit-print-color-adjust: exact;
        print-color-adjust: exact;
    }
}