:root {
    /* Primary colors */
    --color-primary: #667eea;
    --color-primary-light: #86efac;

    /* Status colors */
    --color-active: #22c55e;
    --color-in-talks: #86efac;
    --color-in-talks-text: #166534;
    --color-outstanding: #e2e8f0;

    /* Text colors */
    --color-text-dark: #2d3748;
    --color-text-medium: #4a5568;
    --color-text-light: #718096;
    --color-text-base: #333;

    /* Background colors */
    --color-bg-page: #f7fafc;
    --color-bg-white: #ffffff;

    /* Border colors */
    --color-border-light: #e2e8f0;
    --color-border-medium: #cbd5e0;
    --color-border-dark: #a0aec0;

    /* Interactive states */
    --color-hover-dark: #1a202c;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--color-text-base);
    background: var(--color-bg-page);
    min-height: 100vh;
    padding-bottom: 30px;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 30px;
}

header {
    background: transparent;
    padding: 50px 0 30px 0;
    margin-bottom: 40px;
}

h1 {
    font-size: 2.5rem;
    color: var(--color-text-dark);
    margin-bottom: 12px;
}

.subtitle {
    font-size: 1.2rem;
    color: var(--color-text-medium);
    margin-bottom: 20px;
}

.description {
    font-size: 1rem;
    color: var(--color-text-medium);
    line-height: 1.7;
    margin-bottom: 20px;
    max-width: 900px;
}

.update-date {
    font-size: 0.9rem;
    color: var(--color-text-light);
    font-style: italic;
}

main {
    padding-bottom: 60px;
}

.legend {
    width: 100%;
    margin-top: 30px;
    padding-top: 24px;
    border-top: 1px solid var(--color-border-light);
}

.legend-items {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.85rem;
    color: var(--color-text-medium);
}

.legend-color {
    width: 20px;
    height: 20px;
    border-radius: 4px;
    border: 1.5px solid var(--color-border-medium);
    flex-shrink: 0;
}

.legend-color.active {
    background: var(--color-active);
}

.legend-color.in-talks {
    background: var(--color-in-talks);
}

.legend-color.outstanding {
    background: var(--color-outstanding);
}

.content-wrapper {
    display: grid;
    grid-template-columns: 1fr 400px;
    gap: 30px;
}

@media (max-width: 1024px) {
    .content-wrapper {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 20px;
    }

    header {
        padding: 30px 0 20px 0;
        margin-bottom: 30px;
    }

    h1 {
        font-size: 2rem;
    }

    .subtitle {
        font-size: 1.1rem;
    }

    .map-container,
    .info-panel {
        padding: 25px;
    }

    main {
        padding-bottom: 40px;
    }
}

.map-container {
    background: var(--color-bg-white);
    padding: 35px;
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    display: flex;
    flex-direction: column;
    align-items: center;
}

#germany-map {
    width: 100%;
    max-width: 600px;
    display: flex;
    justify-content: center;
}

#germany-map svg {
    width: 100%;
    height: auto;
}

.state {
    cursor: pointer;
    transition: all 0.3s ease;
    stroke: var(--color-text-dark) !important;
    stroke-width: 0.8 !important;
}

.state:hover {
    stroke-width: 1.5 !important;
    stroke: var(--color-hover-dark) !important;
}

.state.status-active {
    fill: var(--color-active) !important;
}

.state.status-in-talks {
    fill: var(--color-in-talks) !important;
}

.state.status-outstanding {
    fill: var(--color-outstanding) !important;
}

.info-panel {
    background: var(--color-bg-white);
    padding: 35px;
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    min-height: 450px;
}

.info-placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
    color: var(--color-text-light);
    text-align: center;
    font-style: italic;
}

.state-info h2 {
    color: var(--color-text-dark);
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 3px solid var(--color-primary);
    font-size: 1.8rem;
}

.status-badge {
    display: inline-block;
    padding: 8px 18px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 24px;
    color: var(--color-bg-white);
}

.status-badge.active {
    background: var(--color-active);
}

.status-badge.in-talks {
    background: var(--color-in-talks);
    color: var(--color-in-talks-text);
}

.status-badge.outstanding {
    background: var(--color-outstanding);
    color: var(--color-text-dark);
}

.info-section-block {
    margin-bottom: 24px;
}

.info-section-block:last-child {
    margin-bottom: 0;
}

.info-section-block h3 {
    color: var(--color-text-medium);
    font-size: 0.95rem;
    margin-bottom: 10px;
    font-weight: 600;
    letter-spacing: 0.02em;
}

.info-section-block p {
    color: var(--color-text-dark);
    line-height: 1.7;
}

.info-section-block ul {
    list-style-position: inside;
    color: var(--color-text-dark);
    line-height: 1.8;
}

.info-section-block ul li {
    margin-bottom: 5px;
}

/* Timeline Section */
.timeline-section {
    padding: 60px 30px 80px 30px;
    border-top: 2px solid var(--color-border-light);
    margin-top: 20px;
}

.timeline-section h2 {
    font-size: 2rem;
    color: var(--color-text-dark);
    margin-bottom: 12px;
    text-align: center;
}

.timeline-description {
    text-align: center;
    color: var(--color-text-medium);
    font-size: 1rem;
    margin-bottom: 20px;
}

.timeline-controls {
    display: flex;
    justify-content: flex-end;
    margin-bottom: 30px;
}

.toggle-switch {
    display: flex;
    align-items: center;
    gap: 12px;
    cursor: pointer;
}

.toggle-label {
    font-size: 0.9rem;
    color: var(--color-text-medium);
    font-weight: 500;
}

.toggle-switch input[type="checkbox"] {
    display: none;
}

.toggle-slider {
    position: relative;
    width: 44px;
    height: 24px;
    background: var(--color-border-medium);
    border-radius: 12px;
    transition: background 0.3s ease;
}

.toggle-slider::before {
    content: '';
    position: absolute;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--color-bg-white);
    top: 3px;
    left: 3px;
    transition: transform 0.3s ease;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
}

.toggle-switch input[type="checkbox"]:checked + .toggle-slider {
    background: var(--color-primary);
}

.toggle-switch input[type="checkbox"]:checked + .toggle-slider::before {
    transform: translateX(20px);
}

.credentials-hidden .timeline-subsection:last-child {
    display: none;
}

.timeline-wrapper {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    max-width: 1200px;
    margin: 0 auto;
}

.timeline-year {
    background: var(--color-bg-white);
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    display: flex;
    flex-direction: column;
    align-items: center;
}

.timeline-year h3 {
    font-size: 1.8rem;
    color: var(--color-text-dark);
    margin-bottom: 25px;
    padding-bottom: 12px;
    border-bottom: 3px solid var(--color-primary);
    width: 100%;
    text-align: center;
}

.timeline-map {
    width: 100%;
    max-width: 250px;
    display: flex;
    justify-content: center;
    margin-bottom: 20px;
}

.timeline-map svg {
    width: 100%;
    height: auto;
}

.timeline-map .state {
    cursor: default;
    stroke: var(--color-text-dark) !important;
    stroke-width: 0.8 !important;
}

.timeline-map .state:hover {
    stroke-width: 0.8 !important;
}

.timeline-map .state.timeline-active {
    fill: var(--color-active) !important;
}

.timeline-map .state.timeline-inactive {
    fill: var(--color-outstanding) !important;
}

.timeline-info {
    width: 100%;
    display: grid;
    grid-template-rows: auto auto;
    gap: 20px;
}

.timeline-subsection {
    text-align: left;
    width: 100%;
}

.timeline-subsection:first-child {
    grid-row: 1;
}

.timeline-subsection:last-child {
    grid-row: 2;
}

.timeline-subsection h4 {
    font-size: 1rem;
    color: var(--color-text-medium);
    margin-bottom: 10px;
    font-weight: 600;
    padding-bottom: 8px;
    border-bottom: 2px solid var(--color-border-light);
}

.timeline-states {
    text-align: left;
    width: 100%;
    min-height: 105px;
}

.timeline-states p {
    color: var(--color-text-dark);
    font-size: 0.9rem;
    margin-bottom: 6px;
    line-height: 1.5;
    padding-left: 8px;
}

.timeline-credentials {
    display: flex;
    flex-direction: column;
    width: 100%;
}

.credentials-icons {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    width: 100%;
    min-height: 68px;
    align-content: flex-start;
}

.credential-icon {
    width: 45px;
    height: 60px;
    background: var(--color-primary);
    border-radius: 4px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    position: relative;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.credential-icon.tbd {
    background: var(--color-outstanding);
}

.credential-icon::before {
    content: '📄';
    font-size: 22px;
    margin-bottom: 2px;
}

.credential-icon-label {
    position: absolute;
    bottom: 3px;
    font-size: 0.6rem;
    color: var(--color-bg-white);
    font-weight: 600;
    text-align: center;
    width: 100%;
    padding: 0 2px;
    text-overflow: ellipsis;
    overflow: hidden;
    white-space: nowrap;
}

.credential-icon.tbd .credential-icon-label {
    color: var(--color-text-medium);
}

.credentials-note {
    margin-top: 10px;
    font-size: 0.75rem;
    color: var(--color-text-light);
    font-style: italic;
    text-align: left;
}

@media (max-width: 1024px) {
    .timeline-wrapper {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .timeline-year {
        max-width: 500px;
        margin: 0 auto;
        width: 100%;
    }
}

@media (max-width: 768px) {
    .timeline-section {
        padding: 40px 20px 60px 20px;
    }

    .timeline-section h2 {
        font-size: 1.6rem;
    }

    .timeline-year {
        padding: 25px;
    }

    .timeline-year h3 {
        font-size: 1.5rem;
    }
}