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

:root {
    --primary-color: #0891b2;
    --primary-dark: #0e7490;
    --primary-light: #22d3ee;
    --secondary-color: #1e3a5f;
    --secondary-dark: #0f2942;
    --secondary-light: #2d4a6f;
    --accent-color: #06b6d4;
    
    --success-color: #10b981;
    --danger-color: #ef4444;
    --warning-color: #f59e0b;
    
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;
    
    --sidebar-width: 300px;
    --header-height: 70px;
    --transition-speed: 0.3s;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    font-size: 16px;
    line-height: 1.5;
    color: var(--gray-900);
    background-color: var(--gray-50);
}

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

.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, var(--secondary-dark) 0%, var(--secondary-color) 40%, var(--primary-dark) 100%);
    border-bottom: none;
    z-index: 1000;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex: 1;
    min-width: 0;
    padding: 0 20px;
    height: 100%;
    max-width: 100%;
}

.header-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: white;
    display: flex;
    align-items: center;
    gap: 10px;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
}

.header-icon {
    width: 28px;
    height: 28px;
    filter: brightness(0) invert(1);
    vertical-align: middle;
}

.header-search {
    position: relative;
    flex: 1;
    max-width: 400px;
    margin-left: 20px;
}

.search-input {
    width: 100%;
    padding: 10px 40px 10px 15px;
    border: none;
    border-radius: 8px;
    font-size: 0.95rem;
    background-color: rgba(255, 255, 255, 0.15);
    color: white;
    transition: background-color var(--transition-speed), box-shadow var(--transition-speed);
}

.search-input::placeholder {
    color: rgba(255, 255, 255, 0.7);
}

.search-input:focus {
    outline: none;
    background-color: rgba(255, 255, 255, 0.95);
    color: var(--gray-900);
    box-shadow: 0 0 0 3px rgba(8, 145, 178, 0.3);
}

.search-input:focus::placeholder {
    color: var(--gray-400);
}

.search-clear {
    position: absolute;
    right: 10px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    font-size: 1.5rem;
    color: rgba(255, 255, 255, 0.7);
    cursor: pointer;
    padding: 5px;
    line-height: 1;
    transition: color var(--transition-speed);
}

.search-clear:hover {
    color: white;
}

.search-input:focus ~ .search-clear,
.header-search:focus-within .search-clear {
    color: var(--gray-400);
}

.header-search:focus-within .search-clear:hover {
    color: var(--gray-600);
}

.search-results {
    position: absolute;
    top: calc(100% + 5px);
    left: 0;
    right: 0;
    background: white;
    border: 1px solid var(--gray-300);
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    max-height: 400px;
    overflow-y: auto;
    z-index: 1100;
}

.search-result-item {
    padding: 12px 15px;
    cursor: pointer;
    border-bottom: 1px solid var(--gray-100);
    transition: background-color var(--transition-speed);
}

.search-result-item:last-child {
    border-bottom: none;
}

.search-result-item:hover,
.search-result-item.active {
    background-color: rgba(8, 145, 178, 0.1);
    border-left: 3px solid var(--primary-color);
    padding-left: 12px;
}

.search-result-item:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: -2px;
}

.search-result-name {
    font-weight: 600;
    color: var(--gray-900);
    font-size: 0.95rem;
    margin-bottom: 4px;
}

.search-result-location {
    font-size: 0.85rem;
    color: var(--gray-600);
}

.search-result-type {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 500;
    color: white;
    margin-left: 8px;
}

.search-result-type.jezioro { background-color: #3b82f6; }
.search-result-type.rzeka { background-color: #06b6d4; }
.search-result-type.kanal { background-color: #0891b2; }
.search-result-type.staw { background-color: #10b981; }
.search-result-type.zbiornik { background-color: #8b5cf6; }
.search-result-type.glinianka { background-color: #d97706; }
.search-result-type.starorzecze { background-color: #059669; }

.search-no-results {
    padding: 20px;
    text-align: center;
    color: var(--gray-500);
    font-size: 0.9rem;
}

.mobile-filter-toggle {
    position: relative;
    display: flex;
    flex-shrink: 0;
    align-items: center;
    gap: 8px;
    margin-left: 10px;
    margin-right: 8px;
    padding: 8px 14px;
    background-color: var(--primary-color);
    border: none;
    border-radius: 8px;
    font-size: 0.95rem;
    font-weight: 500;
    color: white;
    cursor: pointer;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    transition: background-color var(--transition-speed), transform var(--transition-speed);
}

.mobile-filter-toggle:hover {
    background-color: var(--primary-dark);
    transform: translateY(-1px);
}

.mobile-filter-toggle:active {
    transform: translateY(0);
}

.filter-active-indicator {
    display: none;
    position: absolute;
    top: -2px;
    right: -2px;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background-color: var(--warning-color);
    border: 2px solid var(--primary-color);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
}

.mobile-filter-toggle.filters-active .filter-active-indicator {
    display: block;
}

.hamburger-icon {
    font-size: 1.2rem;
    color: white;
}

.main-container {
    display: flex;
    margin-top: var(--header-height);
    height: calc(100vh - var(--header-height));
}

.sidebar {
    position: fixed;
    top: 0;
    left: -100%;
    width: var(--sidebar-width);
    max-width: 90vw;
    height: 100vh;
    background-color: white;
    overflow-y: auto;
    overflow-x: hidden;
    display: flex;
    flex-direction: column;
    z-index: 1100;
    transition: left var(--transition-speed);
    box-shadow: 4px 0 20px rgba(0, 0, 0, 0.15);
}

.sidebar.active {
    left: 0;
}

.sidebar-header {
    padding: 20px;
    background-color: var(--gray-50);
    border-bottom: 1px solid var(--gray-200);
    border-left: 4px solid var(--primary-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.sidebar-header h2 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--secondary-color);
}

.mobile-filter-close {
    display: block;
    background: var(--gray-100);
    border: none;
    border-radius: 6px;
    font-size: 1.5rem;
    color: var(--gray-500);
    cursor: pointer;
    padding: 4px 8px;
    line-height: 1;
    transition: background-color var(--transition-speed), color var(--transition-speed);
}

.mobile-filter-close:hover {
    background: var(--gray-200);
    color: var(--gray-700);
}

.filter-section {
    padding: 20px;
    border-bottom: 1px solid var(--gray-200);
}

.filter-section h3 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--gray-700);
    margin-bottom: 15px;
}

.filter-options {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.filter-option {
    display: flex;
    align-items: center;
    cursor: pointer;
    user-select: none;
}

.filter-option input[type="checkbox"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
    margin-right: 10px;
}

.filter-label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.95rem;
    color: var(--gray-700);
}

.filter-icon {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    display: inline-block;
}

.results-counter {
    padding: 16px 20px;
    background: linear-gradient(to right, rgba(8, 145, 178, 0.08), transparent);
    border-bottom: 1px solid var(--gray-200);
    border-left: 3px solid var(--primary-color);
    font-size: 0.95rem;
    color: var(--gray-700);
}

.results-counter strong {
    color: var(--primary-dark);
}

.sidebar-footer {
    padding: 20px;
    margin-top: auto;
    border-top: 1px solid var(--gray-200);
    background-color: var(--gray-50);
}

.btn-secondary {
    width: 100%;
    padding: 12px 15px;
    background-color: white;
    border: 2px solid var(--primary-color);
    border-radius: 8px;
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--primary-color);
    cursor: pointer;
    transition: all var(--transition-speed);
}

.btn-secondary:hover {
    background-color: var(--primary-color);
    color: white;
}

.btn-secondary:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

.map-wrapper {
    flex: 1;
    min-width: 0;
    position: relative;
    overflow: hidden;
}

.map {
    width: 100%;
    height: 100%;
}

.map-controls {
    position: absolute;
    top: 10px;
    left: 10px;
    z-index: 800;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.map-control-btn {
    width: 40px;
    height: 40px;
    background-color: white;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
    transition: all var(--transition-speed);
}

.map-control-btn:hover {
    background: linear-gradient(135deg, var(--secondary-color) 0%, var(--secondary-dark) 100%);
    color: white;
    transform: scale(1.05);
    box-shadow: 0 4px 12px rgba(30, 58, 95, 0.3);
}

.map-control-btn:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

.control-icon {
    display: block;
}

.loading-indicator {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background-color: white;
    padding: 30px 40px;
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    text-align: center;
    z-index: 900;
}

.spinner {
    width: 40px;
    height: 40px;
    margin: 0 auto 15px;
    border: 4px solid var(--gray-200);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.error-message {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    background-color: #fee;
    border: 1px solid var(--danger-color);
    border-radius: 8px;
    padding: 15px 40px 15px 15px;
    max-width: 90%;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    z-index: 900;
}

.error-content {
    color: var(--gray-900);
    font-size: 0.95rem;
}

.error-content strong {
    color: var(--danger-color);
}

.error-close {
    position: absolute;
    top: 10px;
    right: 10px;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--danger-color);
    cursor: pointer;
    padding: 0;
    line-height: 1;
}

.leaflet-popup-content-wrapper {
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.leaflet-popup-content {
    margin: 15px;
    line-height: 1.6;
    font-size: 0.95rem;
}

.popup-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: 10px;
}

.popup-section {
    margin-bottom: 12px;
    position: relative;
}

.popup-section strong {
    display: block;
    color: var(--gray-700);
    font-size: 0.85rem;
    margin-bottom: 4px;
}

.popup-type {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 4px;
    font-size: 0.85rem;
    font-weight: 500;
    color: white;
}

.popup-type.jezioro { background-color: #3b82f6; }
.popup-type.rzeka { background-color: #06b6d4; }
.popup-type.kanal { background-color: #0891b2; }
.popup-type.staw { background-color: #10b981; }
.popup-type.zbiornik { background-color: #8b5cf6; }
.popup-type.glinianka { background-color: #d97706; }
.popup-type.starorzecze { background-color: #059669; }

.popup-meta {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}

.popup-area {
    font-size: 0.85rem;
    color: var(--gray-600);
    background-color: var(--gray-100);
    padding: 3px 8px;
    border-radius: 4px;
}

.popup-boat {
    font-size: 1.1rem;
    cursor: help;
}

.popup-regulations {
    font-size: 0.9rem;
    color: var(--gray-600);
    line-height: 1.5;
    white-space: pre-line;
    max-height: 200px;
    overflow-y: auto;
    overflow-x: hidden;
    padding-right: 8px;
    margin-top: 4px;
    position: relative;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: thin;
    scrollbar-color: var(--gray-400) var(--gray-100);
}

.popup-regulations::-webkit-scrollbar {
    width: 6px;
}

.popup-regulations::-webkit-scrollbar-track {
    background: var(--gray-100);
    border-radius: 3px;
}

.popup-regulations::-webkit-scrollbar-thumb {
    background: var(--gray-400);
    border-radius: 3px;
}

.popup-regulations::-webkit-scrollbar-thumb:hover {
    background: var(--gray-500);
}

.popup-section {
    position: relative;
}

.popup-regulations {
    position: relative;
}

.popup-regulations::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 6px;
    height: 30px;
    background: linear-gradient(to bottom, transparent, rgba(255, 255, 255, 0.98));
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.2s;
}

.popup-regulations.scrollable::after {
    opacity: 1;
}

.popup-links {
    display: flex;
    gap: 10px;
    margin-top: 12px;
    padding-top: 12px;
    border-top: 1px solid var(--gray-200);
}

.popup-link {
    font-size: 0.85rem;
    color: var(--primary-color);
    text-decoration: none;
}

.popup-link:hover {
    text-decoration: underline;
}

*:focus-visible {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* Responsive Design */
@media (max-width: 768px) {
    .header {
        display: grid;
        grid-template-columns: auto 1fr;
        grid-template-rows: auto auto;
        gap: 8px 12px;
        height: auto;
        min-height: var(--header-height);
        align-items: center;
        padding: 10px;
    }

    .header-content {
        display: contents;
    }

    .header-title {
        font-size: 1rem;
        grid-column: 2;
        grid-row: 1;
        min-width: 0;
    }

    .header-search {
        grid-column: 1 / -1;
        grid-row: 2;
        width: 100%;
        margin: 0;
        max-width: none;
    }

    .mobile-filter-toggle {
        display: flex;
        grid-column: 1;
        grid-row: 1;
        margin: 0;
        padding: 8px 12px;
        font-size: 0.875rem;
        align-items: center;
        gap: 6px;
        align-self: center;
    }

    .mobile-filter-toggle .hamburger-icon {
        font-size: 1.1rem;
        color: white;
    }

    .sidebar {
        width: 80%;
        max-width: 300px;
    }

    .main-container {
        margin-top: 120px;
        height: calc(100vh - 120px);
    }

    .map-controls {
        top: 10px;
        left: 10px;
    }

    .info-controls {
        bottom: 15px;
        left: 15px;
    }

    .info-btn {
        width: 44px;
        height: 44px;
        font-size: 1.3rem;
    }

    .info-modal-content {
        width: 95%;
        max-height: 90vh;
    }

    .info-modal-header {
        padding: 20px 24px;
    }

    .info-modal-title {
        font-size: 1.25rem;
    }

    .info-modal-body {
        padding: 24px;
    }

    .popup-regulations {
        max-height: 150px;
        font-size: 0.85rem;
    }
}

@media (max-width: 480px) {
    .header-title {
        font-size: 0.9rem;
    }

    .header-icon {
        width: 22px;
        height: 22px;
    }

    .search-input {
        font-size: 0.9rem;
        padding: 8px 35px 8px 12px;
        background-color: rgba(255, 255, 255, 0.2);
    }

    .mobile-filter-toggle {
        padding: 8px 12px;
        font-size: 0.9rem;
    }

    .sidebar {
        width: 90%;
    }
}

.info-controls {
    position: absolute;
    bottom: 20px;
    left: 20px;
    z-index: 800;
}

.info-btn {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--secondary-color) 0%, var(--secondary-dark) 100%);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: bold;
    color: white;
    box-shadow: 0 4px 12px rgba(30, 58, 95, 0.35);
    transition: all var(--transition-speed);
}

.info-btn:hover {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    transform: scale(1.1);
    box-shadow: 0 6px 16px rgba(8, 145, 178, 0.4);
}

.info-btn:focus-visible {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

.info-btn:focus:not(:focus-visible) {
    outline: none;
}

.info-btn:active {
    transform: scale(0.95);
}

.info-icon {
    display: block;
    font-style: normal;
    line-height: 1;
}

.info-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-speed), visibility var(--transition-speed);
}

.info-modal[aria-hidden="false"] {
    opacity: 1;
    visibility: visible;
}

.info-modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(2px);
}

.info-modal-content {
    position: relative;
    background-color: white;
    border-radius: 12px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    max-width: 600px;
    width: 90%;
    max-height: 85vh;
    display: flex;
    flex-direction: column;
    transform: scale(0.9);
    transition: transform var(--transition-speed);
    overflow: hidden;
}

.info-modal[aria-hidden="false"] .info-modal-content {
    transform: scale(1);
}

.info-modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 24px 28px;
    background: linear-gradient(135deg, var(--secondary-dark) 0%, var(--secondary-color) 40%, var(--primary-dark) 100%);
    flex-shrink: 0;
}

.info-modal-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: white;
    margin: 0;
}

.info-modal-close {
    width: 36px;
    height: 36px;
    background: rgba(255, 255, 255, 0.1);
    border: none;
    border-radius: 8px;
    font-size: 1.5rem;
    color: rgba(255, 255, 255, 0.8);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-speed);
    padding: 0;
    line-height: 1;
}

.info-modal-close:hover {
    background-color: rgba(255, 255, 255, 0.2);
    color: white;
}

.info-modal-close:focus {
    outline: 2px solid var(--primary-light);
    outline-offset: 2px;
}

.info-modal-body {
    padding: 28px;
    overflow-y: auto;
    flex: 1;
    -webkit-overflow-scrolling: touch;
}

.info-modal-body::-webkit-scrollbar {
    width: 8px;
}

.info-modal-body::-webkit-scrollbar-track {
    background: var(--gray-100);
}

.info-modal-body::-webkit-scrollbar-thumb {
    background: var(--gray-400);
    border-radius: 4px;
}

.info-modal-body::-webkit-scrollbar-thumb:hover {
    background: var(--gray-500);
}

.info-content {
    color: var(--gray-800);
    line-height: 1.7;
}

.info-content h2,
.info-content h3 {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--gray-900);
    margin: 0 0 16px 0;
}

.info-content h2 {
    margin-top: 24px;
}

.info-content h4 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--secondary-color);
    margin: 24px 0 12px 0;
}

.info-content p {
    margin: 0 0 16px 0;
}

.info-content ul {
    margin: 0 0 20px 0;
    padding-left: 24px;
}

.info-content li {
    margin: 8px 0;
    line-height: 1.6;
}

.info-content li strong {
    color: var(--gray-900);
    font-weight: 600;
}

@media (prefers-contrast: high) {
    .header,
    .sidebar,
    .map-control-btn,
    .loading-indicator,
    .error-message,
    .info-btn {
        border-width: 2px;
    }
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

@media print {
    .header,
    .sidebar,
    .map-controls,
    .mobile-filter-toggle,
    .info-controls {
        display: none;
    }

    .map-wrapper {
        position: relative;
        width: 100%;
        height: 100vh;
    }
}

.pro-tips {
    background-color: #f9f9f9;
    padding: 15px;
    border-left: 5px solid #2c3e50;
}

/* Leaflet controls - horizontal layout for top right */
.leaflet-top.leaflet-right {
    display: flex;
    flex-direction: row-reverse;
    align-items: flex-start;
    gap: 10px;
}

.leaflet-top.leaflet-right .leaflet-control {
    margin: 10px 0 0 0;
}

.leaflet-top.leaflet-right .leaflet-control:first-child {
    margin-right: 10px;
}

.leaflet-control-layers {
    border-radius: 8px !important;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15) !important;
}

.leaflet-control-zoom {
    border-radius: 8px !important;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15) !important;
}

.leaflet-control-zoom a {
    border-radius: 0 !important;
}

.leaflet-control-zoom a:first-child {
    border-radius: 8px 8px 0 0 !important;
}

.leaflet-control-zoom a:last-child {
    border-radius: 0 0 8px 8px !important;
}