:root{--color-primary: #2563eb;--color-primary-hover: #1d4ed8;--color-primary-muted: #dbeafe;--color-accent: #0ea5e9;--color-success: #059669;--color-success-bg: #d1fae5;--color-warning: #d97706;--color-danger: #dc2626;--color-danger-bg: #fee2e2;--color-bg: #0f172a;--color-bg-elevated: #1e293b;--color-bg-panel: #1e293b;--color-bg-input: #334155;--color-border: #334155;--color-border-focus: #64748b;--color-text: #f1f5f9;--color-text-muted: #94a3b8;--color-text-inverse: #0f172a;--color-surface: #ffffff;--color-surface-border: #e2e8f0;--color-surface-text: #0f172a;--color-surface-muted: #64748b;--font-sans: "Plus Jakarta Sans", system-ui, -apple-system, sans-serif;--text-xs: .75rem;--text-sm: .8125rem;--text-base: .875rem;--text-lg: 1rem;--text-xl: 1.125rem;--text-2xl: 1.25rem;--font-medium: 500;--font-semibold: 600;--font-bold: 700;--space-1: .25rem;--space-2: .5rem;--space-3: .75rem;--space-4: 1rem;--space-5: 1.25rem;--space-6: 1.5rem;--space-8: 2rem;--sidebar-width: 340px;--sidebar-width-collapsed: 52px;--header-height: 56px;--radius-sm: 6px;--radius-md: 8px;--radius-lg: 12px;--radius-xl: 16px;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .05);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .1), 0 2px 4px -2px rgba(0, 0, 0, .1);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .1), 0 4px 6px -4px rgba(0, 0, 0, .1);--shadow-overlay: 0 25px 50px -12px rgba(0, 0, 0, .25);--transition-fast: .15s ease;--transition-base: .2s ease}*{box-sizing:border-box}html,body,#root{margin:0;padding:0;height:100%;min-height:100dvh;width:100%;overflow:hidden;font-family:var(--font-sans);font-size:16px;line-height:1.5;color:var(--color-text);background:var(--color-bg);-webkit-font-smoothing:antialiased}.app-layout{display:flex;flex-direction:column;height:100%;min-height:100dvh;overflow:hidden}.app-header{flex-shrink:0;height:var(--header-height);background:var(--color-bg-elevated);border-bottom:1px solid var(--color-border);display:flex;align-items:center;justify-content:space-between;padding:0 var(--space-6);gap:var(--space-4)}.app-header__brand{display:flex;align-items:center;gap:var(--space-3)}.app-header__logo{width:32px;height:32px;background:linear-gradient(135deg,var(--color-primary),var(--color-accent));border-radius:var(--radius-md);display:flex;align-items:center;justify-content:center;font-weight:var(--font-bold);font-size:var(--text-lg);color:#fff}.app-header__title{font-size:var(--text-xl);font-weight:var(--font-semibold);color:var(--color-text);letter-spacing:-.02em}.app-header__subtitle{font-size:var(--text-sm);color:var(--color-text-muted);font-weight:var(--font-medium);margin-left:var(--space-2)}.app-header__menu-btn{display:none;align-items:center;justify-content:center;width:40px;height:40px;padding:0;border:none;border-radius:var(--radius-md);background:transparent;color:var(--color-text);cursor:pointer;margin-right:var(--space-2)}.app-header__menu-btn:hover{background:#ffffff14}.app-header__menu-icon{width:22px;height:2px;background:currentColor;box-shadow:0 -6px 0 currentColor,0 6px 0 currentColor}.app-body{flex:1;display:flex;min-height:0;min-width:0;overflow:hidden;padding-left:var(--sidebar-width);position:relative}.app-layout.sidebar-collapsed .app-body{padding-left:var(--sidebar-width-collapsed)}.sidebar{position:fixed;top:var(--header-height);left:0;bottom:0;z-index:100;width:var(--sidebar-width);min-width:var(--sidebar-width);background:var(--color-bg-panel);border-right:1px solid var(--color-border);display:flex;flex-direction:column;overflow:hidden;transition:width .22s ease,min-width .22s ease,transform .22s ease;pointer-events:auto;box-shadow:2px 0 8px #00000026}.sidebar--collapsed{width:var(--sidebar-width-collapsed);min-width:var(--sidebar-width-collapsed)}@media (max-width: 768px),(max-height: 600px){.app-header{padding:0 var(--space-4);padding-left:var(--space-4);gap:var(--space-2)}.app-header__menu-btn{display:flex;flex-shrink:0;align-items:center;gap:var(--space-2);min-width:44px;min-height:44px;padding:0 var(--space-3);margin-right:var(--space-2);margin-left:0}.app-header__brand{min-width:0;overflow:hidden}.app-header__title{font-size:var(--text-lg);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.app-header__subtitle{display:none}.app-body{padding-left:0}.sidebar{width:min(88vw,340px);max-width:340px;min-width:0;height:calc(100dvh - var(--header-height));top:var(--header-height);bottom:0;transform:translate(-100%);transition:transform .25s cubic-bezier(.4,0,.2,1),width .25s ease,min-width .25s ease,max-width .25s ease,box-shadow .25s ease,visibility .25s ease;will-change:transform;box-shadow:none;pointer-events:none}.app-layout.sidebar-collapsed .sidebar{width:0!important;min-width:0!important;max-width:0!important;left:-100vw;overflow:hidden;border:none;border-right:none;visibility:hidden;transform:translate(0);background:transparent;box-shadow:none;clip-path:inset(0 100% 0 100%)}.app-layout:not(.sidebar-collapsed) .sidebar{width:min(88vw,340px);max-width:340px;min-width:0;left:0;overflow:hidden;visibility:visible;transform:translate(0);box-shadow:0 25px 50px -12px #00000040;pointer-events:auto;border-right:1px solid var(--color-border);background:var(--color-bg-panel);clip-path:none}.sidebar--mobile.sidebar--collapsed{width:0!important;min-width:0!important}.sidebar__toggle,.sidebar--mobile .sidebar-section__icon{display:none}.sidebar--mobile .sidebar__content{flex:1 1 0;min-height:0;max-height:calc(100dvh - var(--header-height) - 52px);overflow-y:scroll;overflow-x:hidden;-webkit-overflow-scrolling:touch;padding:var(--space-4);padding-bottom:var(--space-8);display:block}.sidebar--mobile .sidebar__content>*{margin-bottom:var(--space-6)}.sidebar--mobile .sidebar__content>*:last-child{margin-bottom:0}.sidebar-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;top:var(--header-height);background:#0f172a99;z-index:99;border:none;cursor:default;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px)}}.sidebar__content{flex:1;min-height:0;overflow-y:auto;overflow-x:hidden;padding:var(--space-4);display:flex;flex-direction:column;gap:var(--space-6);pointer-events:auto;-webkit-overflow-scrolling:touch}.sidebar--collapsed .sidebar__content{padding:var(--space-2);align-items:center}@media (max-width: 768px),(max-height: 600px){.sidebar--mobile .sidebar__content{display:block;max-height:calc(100dvh - var(--header-height) - 52px);overflow-y:scroll}}.sidebar__toggle{flex-shrink:0;height:48px;border:none;border-top:1px solid var(--color-border);background:#ffffff0f;color:var(--color-text);cursor:pointer;display:flex;align-items:center;justify-content:center;transition:background .15s ease,color .15s ease}.sidebar__toggle:hover{background:#ffffff1f;color:var(--color-primary)}.sidebar__toggle-icon{font-size:1.25rem;font-weight:700;line-height:1}.sidebar__mobile-header{display:none}.sidebar--mobile .sidebar__mobile-header{flex-shrink:0;display:flex;align-items:center;justify-content:space-between;padding:var(--space-3) var(--space-4);border-bottom:1px solid var(--color-border);background:var(--color-bg-elevated)}.sidebar__mobile-title{font-size:var(--text-base);font-weight:var(--font-semibold);color:var(--color-text)}.sidebar__close{width:40px;height:40px;border:none;border-radius:var(--radius-md);background:transparent;color:var(--color-text);font-size:1.5rem;line-height:1;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:background .15s ease}.sidebar__close:hover{background:#ffffff1a}.sidebar-section{background:#ffffff0d;border:1px solid var(--color-border);border-radius:var(--radius-lg);overflow:hidden}.sidebar--collapsed .sidebar-section{width:40px;min-height:40px}.sidebar-section__head{margin:0;padding:var(--space-3) var(--space-4);font-size:.6875rem;font-weight:var(--font-semibold);text-transform:uppercase;letter-spacing:.08em;color:var(--color-text);border-bottom:1px solid var(--color-border);display:flex;align-items:center;gap:var(--space-2)}.sidebar--collapsed .sidebar-section__head{justify-content:center;padding:var(--space-2);border-bottom:none}.sidebar-section__title{color:var(--color-text)}.sidebar--collapsed .sidebar-section__title{display:none}.sidebar-section__icon{flex-shrink:0;opacity:.9}.sidebar--collapsed .sidebar-section__icon{margin:0}.sidebar-section__body{padding:var(--space-3);pointer-events:auto}.sidebar--collapsed .sidebar-section__body{display:none}.basemap-list{list-style:none;margin:0;padding:0}.basemap-list__item{display:flex;align-items:center;gap:var(--space-3);padding:var(--space-2) var(--space-3);min-height:40px;border-radius:var(--radius-md);cursor:pointer;transition:background var(--transition-fast);font-size:var(--text-sm);color:var(--color-text);-webkit-user-select:none;user-select:none;word-break:break-word;overflow-wrap:break-word}.basemap-list__item:hover{background:#ffffff0f;color:var(--color-text)}.basemap-list__item.active{background:#2563eb59;color:#93c5fd;font-weight:var(--font-medium);border:1px solid rgba(37,99,235,.5);box-shadow:0 0 0 1px #ffffff14 inset}.basemap-list__item .indicator{width:8px;height:8px;border-radius:50%;background:currentColor;flex-shrink:0}.basemap-list__item:not(.active) .indicator{opacity:.3}.layer-row{display:flex;flex-wrap:wrap;align-items:center;gap:var(--space-2) var(--space-3);padding:var(--space-2) var(--space-3);border-radius:var(--radius-md);font-size:var(--text-sm);color:var(--color-text);min-height:44px}.layer-row:hover{background:#ffffff0a}.layer-row__label{flex:1;min-width:0;display:flex;flex-direction:column;gap:2px;cursor:pointer;word-break:break-word;overflow-wrap:break-word}.layer-row__label>*:first-child{color:var(--color-text);font-size:var(--text-sm)}.layer-row__desc{font-size:.7rem;color:var(--color-text-muted);font-weight:var(--font-medium);line-height:1.3}.layer-row__slider-wrap{display:flex;align-items:center;gap:var(--space-2);min-width:0;min-height:32px;flex-shrink:0}.layer-row__opacity-pct{font-size:var(--text-xs);color:var(--color-text-muted);min-width:2.5ch;text-align:right}.layer-row__slider{width:72px;height:4px;-webkit-appearance:none;-moz-appearance:none;appearance:none;background:var(--color-bg-input);border-radius:2px;outline:none;cursor:pointer;flex-shrink:0}.layer-row__slider::-webkit-slider-thumb{-webkit-appearance:none;width:14px;height:14px;border-radius:50%;background:var(--color-primary);cursor:pointer;border:2px solid var(--color-bg-panel);box-shadow:var(--shadow-sm)}.layer-row__slider::-moz-range-thumb{width:14px;height:14px;border-radius:50%;background:var(--color-primary);cursor:pointer;border:2px solid var(--color-bg-panel)}.input-checkbox{width:20px;height:20px;accent-color:var(--color-primary);cursor:pointer;flex-shrink:0;margin:0}.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--space-2);padding:var(--space-2) var(--space-4);font-family:var(--font-sans);font-size:var(--text-sm);font-weight:var(--font-medium);line-height:1.25;border-radius:var(--radius-md);border:1px solid var(--color-border);background:var(--color-bg-input);color:var(--color-text);cursor:pointer;transition:background var(--transition-fast),border-color var(--transition-fast),color var(--transition-fast)}.btn:hover{background:var(--color-border-focus);border-color:var(--color-border-focus)}.btn:active{transform:scale(.98)}.btn--primary{background:var(--color-primary);border-color:var(--color-primary);color:#fff}.btn--primary:hover{background:var(--color-primary-hover);border-color:var(--color-primary-hover);color:#fff}.btn--sm{padding:var(--space-1) var(--space-2);font-size:var(--text-xs)}.btn--tool{flex:1;min-width:0;padding:var(--space-2) var(--space-3);font-size:var(--text-sm);color:var(--color-text)}.btn--tool.active{background:var(--color-primary);border-color:var(--color-primary);color:#fff}.tools-intro{margin:0 0 var(--space-2);font-size:var(--text-xs);color:var(--color-text)}.tool-hint{margin:var(--space-2) 0 0;padding:var(--space-2) var(--space-3);font-size:var(--text-xs);color:var(--color-primary);background:#2563eb1f;border-radius:var(--radius-md);border:1px solid rgba(37,99,235,.25)}.tools-grid{display:grid;grid-template-columns:1fr 1fr;gap:var(--space-2)}.distance-result-card{margin-top:var(--space-3);padding:var(--space-4);background:#0596691f;border:1px solid rgba(5,150,105,.3);border-radius:var(--radius-md);font-size:var(--text-sm);color:var(--color-text)}.distance-result-card__value{font-size:var(--text-xl);font-weight:var(--font-bold);color:#34d399;margin-top:var(--space-1)}.distance-result-card__unit{font-size:var(--text-xs);color:var(--color-text-muted);margin-left:var(--space-1)}.alert{padding:var(--space-3) var(--space-4);border-radius:var(--radius-md);font-size:var(--text-sm);display:flex;align-items:flex-start;gap:var(--space-2)}.alert--error{background:var(--color-danger-bg);color:var(--color-danger);border:1px solid rgba(220,38,38,.3)}.alert--success{background:var(--color-success-bg);color:var(--color-success);border:1px solid rgba(5,150,105,.3)}.map-area{flex:1;display:flex;flex-direction:column;position:relative;z-index:0;min-width:0;min-height:0}.map-area__map{flex:1;position:relative;min-height:0}.distance-toolbar{flex-shrink:0;display:flex;flex-wrap:wrap;align-items:center;gap:var(--space-3);padding:var(--space-2) var(--space-4);background:var(--color-surface);border-bottom:1px solid var(--color-surface-border);font-size:var(--text-sm);box-shadow:0 1px 3px #00000014}.distance-toolbar__points{display:flex;flex-wrap:wrap;align-items:center;gap:var(--space-2)}.distance-toolbar__label{color:var(--color-surface-muted);font-weight:var(--font-semibold)}.distance-toolbar__value{color:var(--color-surface-text)}.distance-toolbar__sep{color:var(--color-surface-border);margin:0 var(--space-1)}.distance-toolbar__results{display:flex;flex-wrap:wrap;align-items:center;gap:var(--space-3)}.distance-toolbar__result{display:flex;align-items:center;gap:var(--space-2);padding-left:var(--space-2);border-left:1px solid var(--color-surface-border)}.distance-toolbar__result:first-child{padding-left:0;border-left:none}.distance-toolbar__time{margin-left:var(--space-1);font-weight:400}.distance-toolbar__distance{color:var(--color-primary, #2563eb);font-size:var(--text-base)}.distance-toolbar__meters{color:var(--color-surface-muted);font-size:var(--text-xs)}.distance-toolbar__clear{margin-left:auto}.map-container{position:absolute;top:0;right:0;bottom:0;left:0;z-index:0}.map-container--tool-active{cursor:crosshair}.ol-popup{position:absolute;background:var(--color-surface);box-shadow:var(--shadow-lg);padding:0;border-radius:var(--radius-lg);min-width:200px;max-width:380px;max-height:320px;overflow:hidden;border:1px solid var(--color-surface-border)}.ol-popup-content{padding:var(--space-4);color:var(--color-surface-text)}.popup-message{margin:0;font-size:var(--text-sm);color:var(--color-surface-text)}.ol-popup-closer{position:absolute;top:var(--space-2);right:var(--space-2);width:28px;height:28px;display:flex;align-items:center;justify-content:center;border:none;background:var(--color-surface-border);color:var(--color-surface-muted);border-radius:var(--radius-sm);cursor:pointer;font-size:1.25rem;line-height:1;transition:background var(--transition-fast),color var(--transition-fast);z-index:1}.ol-popup-closer:hover{background:#cbd5e1;color:var(--color-surface-text)}.popup-table{width:100%;border-collapse:collapse;font-size:var(--text-sm)}.popup-table th,.popup-table td{padding:var(--space-2) var(--space-4);text-align:left;border-bottom:1px solid var(--color-surface-border)}.popup-table th{background:#f8fafc;font-weight:var(--font-semibold);color:var(--color-surface-muted);font-size:var(--text-xs);text-transform:uppercase;letter-spacing:.04em}.popup-table tr:last-child td{border-bottom:none}.place-popup{font-size:var(--text-sm)}.place-popup .place-type{color:var(--color-surface-muted)}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0f172ab3;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;z-index:1000;padding:var(--space-6);animation:overlayIn .2s ease}@keyframes overlayIn{0%{opacity:0}to{opacity:1}}.modal{background:var(--color-bg-elevated);border-radius:var(--radius-xl);padding:var(--space-8);width:100%;max-width:420px;border:1px solid var(--color-border);box-shadow:var(--shadow-overlay);animation:modalIn .25s ease}@keyframes modalIn{0%{opacity:0;transform:scale(.96) translateY(-8px)}to{opacity:1;transform:scale(1) translateY(0)}}.modal__header{margin-bottom:var(--space-6)}.modal__title{font-size:var(--text-xl);font-weight:var(--font-semibold);color:var(--color-text);margin:0 0 var(--space-1) 0}.modal__subtitle{font-size:var(--text-sm);color:var(--color-text-muted);margin:0}.modal .form-group{margin-bottom:var(--space-5)}.modal .form-label{display:block;font-size:var(--text-sm);font-weight:var(--font-medium);color:var(--color-text);margin-bottom:var(--space-2)}.modal .form-input{width:100%;padding:var(--space-3) var(--space-4);font-family:var(--font-sans);font-size:var(--text-base);color:var(--color-text);background:var(--color-bg-input);border:1px solid var(--color-border);border-radius:var(--radius-md);transition:border-color var(--transition-fast),box-shadow var(--transition-fast)}.modal .form-input::placeholder{color:var(--color-text-muted)}.modal .form-input:focus{outline:none;border-color:var(--color-primary);box-shadow:0 0 0 3px #2563eb33}.modal__actions{display:flex;justify-content:flex-end;gap:var(--space-3);margin-top:var(--space-6);padding-top:var(--space-4);border-top:1px solid var(--color-border)}.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}