:root {
    --color-white: #ffffff;
    --color-black: #000000;
    --color-gray-50: #fafafa;
    --color-gray-100: #f5f5f5;
    --color-gray-200: #e5e5e5;
    --color-gray-300: #d4d4d4;
    --color-gray-400: #a3a3a3;
    --color-gray-500: #737373;
    --color-gray-600: #525252;
    --color-gray-700: #404040;
    --color-gray-800: #262626;
    --color-gray-900: #171717;
    --color-gray-950: #0a0a0a;

    --border-width: 1px;
    --border-radius: 6px;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);

    --sidebar-width: 240px;
    --header-height: 60px;
}

* {
    box-sizing: border-box;
}

body {
    font-family: ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, "Apple Color Emoji", Arial, sans-serif, "Segoe UI Emoji", "Segoe UI Symbol";
    background-color: var(--color-white);
    color: var(--color-gray-900);
    margin: 0;
    padding: 0;
    line-height: 1.5;
    font-size: 14px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Layout */
.app-container {
    display: flex;
    min-height: 100vh;
}

.sidebar {
    width: var(--sidebar-width);
    background-color: var(--color-gray-50);
    border-right: var(--border-width) solid var(--color-gray-200);
    position: fixed;
    height: 100vh;
    left: 0;
    top: 0;
    z-index: 100;
}

.logo {
    padding: 24px 20px;
    border-bottom: var(--border-width) solid var(--color-gray-200);
}

.logo h1 {
    font-size: 20px;
    font-weight: 600;
    margin: 0 0 4px 0;
    color: var(--color-gray-900);
}

.logo p {
    font-size: 12px;
    color: var(--color-gray-500);
    margin: 0;
}

/* Sidebar Navigation - Notion/Shadcn inspired */
.sidebar-nav {
    padding: 8px 12px;
}

.nav-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-item {
    margin: 2px 0;
}

.nav-link {
    display: flex;
    align-items: center;
    padding: 6px 8px;
    color: var(--color-gray-700);
    text-decoration: none;
    transition: all 0.15s ease;
    font-size: 14px;
    font-weight: 400;
    border-radius: 4px;
    margin: 0 4px;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, "Apple Color Emoji", Arial, sans-serif;
}

.nav-link:hover {
    background-color: var(--color-gray-100);
    color: var(--color-gray-900);
}

.nav-link.active {
    background-color: var(--color-gray-200);
    color: var(--color-gray-900);
    font-weight: 500;
}

.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    padding: 40px;
    max-width: 900px;
    width: 100%;
    overflow: visible; /* Allow dropdowns to be visible */
}

.page-header {
    margin-bottom: 40px;
}

.page-header h1 {
    font-size: 32px;
    font-weight: 700;
    margin: 0 0 8px 0;
    color: var(--color-gray-900);
    line-height: 1.2;
}

.page-header p {
    font-size: 16px;
    color: var(--color-gray-600);
    margin: 0;
    line-height: 1.6;
}

/* Cards */
.card {
    background-color: var(--color-white);
    border: var(--border-width) solid var(--color-gray-200);
    border-radius: var(--border-radius);
    margin-bottom: 24px;
    overflow: visible; /* Changed from hidden to allow autocomplete dropdown */
    box-shadow: var(--shadow-sm);
    transition: box-shadow 0.2s ease;
}

.card:hover {
    box-shadow: var(--shadow-md);
}

.card-header {
    padding: 16px 20px;
    border-bottom: var(--border-width) solid var(--color-gray-200);
    background-color: var(--color-gray-50);
}

.card-header h2 {
    font-size: 16px;
    font-weight: 600;
    margin: 0;
    color: var(--color-gray-900);
}

.card-content {
    padding: 20px;
}

/* Forms - Notion/Shadcn inspired */
.form-group {
    margin-bottom: 20px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

label {
    display: block;
    margin-bottom: 6px;
    font-weight: 500;
    color: var(--color-gray-700);
    font-size: 14px;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, "Apple Color Emoji", Arial, sans-serif;
}

label.required::after {
    content: ' *';
    color: var(--color-gray-400);
}

input, select, textarea {
    width: 100%;
    padding: 8px 12px;
    border: 1px solid var(--color-gray-300);
    border-radius: 6px;
    font-size: 14px;
    background-color: var(--color-white);
    transition: all 0.15s ease;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, "Apple Color Emoji", Arial, sans-serif;
    line-height: 1.5;
    box-sizing: border-box;
}

input:hover, select:hover, textarea:hover {
    border-color: var(--color-gray-400);
}

input:focus, select:focus, textarea:focus {
    outline: none;
    border-color: var(--color-gray-900);
    box-shadow: 0 0 0 1px var(--color-gray-900);
    background-color: var(--color-white);
}

input:read-only:not([type="checkbox"]) {
    background-color: var(--color-gray-50);
    color: var(--color-gray-600);
    cursor: default;
}

textarea {
    resize: vertical;
    min-height: 100px;
    font-family: ui-monospace, SFMono-Regular, "SF Mono", Consolas, "Liberation Mono", Menlo, monospace;
}

/* Form actions styling */
.form-actions {
    margin-top: 32px;
    padding-top: 24px;
    border-top: 1px solid var(--color-gray-200);
}

.button-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    margin-top: 16px;
}

.primary-btn, .secondary-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 8px 16px;
    border: 1px solid var(--color-gray-300);
    border-radius: 6px;
    font-size: 14px;
    font-weight: 500;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, "Apple Color Emoji", Arial, sans-serif;
    cursor: pointer;
    transition: all 0.15s ease;
    text-decoration: none;
    user-select: none;
    box-sizing: border-box;
    line-height: 1.5;
}

.primary-btn {
    background-color: var(--color-gray-900);
    color: var(--color-white);
    border-color: var(--color-gray-900);
}

.primary-btn:hover:not(:disabled) {
    background-color: var(--color-gray-800);
    border-color: var(--color-gray-800);
}

.secondary-btn {
    background-color: var(--color-white);
    color: var(--color-gray-900);
    border-color: var(--color-gray-300);
}

.secondary-btn:hover {
    background-color: var(--color-gray-50);
    border-color: var(--color-gray-400);
}

.primary-btn:disabled, .secondary-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Buttons - Shadcn inspired */
button, .copy-btn, .submit-btn, .edit-contact-btn, .delete-contact-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 8px 16px;
    border: 1px solid var(--color-gray-300);
    border-radius: 6px;
    background-color: var(--color-white);
    color: var(--color-gray-900);
    font-size: 14px;
    font-weight: 500;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, "Apple Color Emoji", Arial, sans-serif;
    cursor: pointer;
    transition: all 0.15s ease;
    text-decoration: none;
    user-select: none;
    box-sizing: border-box;
    line-height: 1.5;
}

button:hover, .copy-btn:hover, .edit-contact-btn:hover {
    background-color: var(--color-gray-50);
    border-color: var(--color-gray-400);
}

button:active, .copy-btn:active, .edit-contact-btn:active {
    background-color: var(--color-gray-100);
}

button:disabled, .submit-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.submit-btn {
    width: 100%;
    background-color: var(--color-gray-900);
    color: var(--color-white);
    border-color: var(--color-gray-900);
}

.submit-btn:hover:not(:disabled) {
    background-color: var(--color-gray-800);
    border-color: var(--color-gray-800);
}

.copy-btn {
    background-color: var(--color-gray-900);
    color: var(--color-white);
    border-color: var(--color-gray-900);
}

.copy-btn:hover {
    background-color: var(--color-gray-800);
    border-color: var(--color-gray-800);
}

.edit-contact-btn {
    padding: 6px 12px;
    font-size: 12px;
    background-color: var(--color-gray-900);
    color: var(--color-white);
    border-color: var(--color-gray-900);
}

.edit-contact-btn:hover {
    background-color: var(--color-gray-800);
    border-color: var(--color-gray-800);
}

.delete-contact-btn {
    padding: 6px 12px;
    font-size: 12px;
    background-color: var(--color-white);
    color: var(--color-gray-600);
    border-color: var(--color-gray-300);
}

.delete-contact-btn:hover {
    background-color: var(--color-white);
    color: var(--color-gray-900);
    border-color: var(--color-gray-900);
}

/* Form Actions */
.form-actions {
    margin-top: 32px;
    padding-top: 24px;
    border-top: var(--border-width) solid var(--color-gray-200);
}

.save-contact-section {
    margin: 24px 0;
    padding: 20px;
    background-color: var(--color-gray-50);
    border: 1px solid var(--color-gray-200);
    border-radius: 8px;
    position: relative;
    overflow: visible;
}

.save-contact-btn {
    width: 100%;
    margin-bottom: 8px;
}

.save-contact-btn.loading {
    opacity: 0.7;
    cursor: not-allowed;
}

/* Checkbox */
.checkbox-container {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 16px;
}

input[type="checkbox"] {
    width: auto;
    margin: 0;
    cursor: pointer;
}

.checkbox-label {
    cursor: pointer;
    font-weight: 400;
    color: var(--color-gray-700);
    margin: 0;
    user-select: none;
}

/* Autocomplete - Notion/Shadcn inspired */
.autocomplete-container {
    position: relative;
}

.autocomplete-items {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--color-white);
    border: 1px solid var(--color-gray-300);
    border-top: none;
    border-radius: 0 0 6px 6px;
    max-height: 200px;
    overflow-y: auto;
    z-index: 1000;
    box-shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
}

.autocomplete-item {
    padding: 8px 12px;
    cursor: pointer;
    border-bottom: 1px solid var(--color-gray-100);
    transition: background-color 0.15s ease;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, "Apple Color Emoji", Arial, sans-serif;
    font-size: 14px;
}

.autocomplete-item:hover,
.autocomplete-active {
    background-color: var(--color-gray-50);
}

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

/* Contact Autocomplete - Notion/Shadcn inspired */
.contact-autocomplete-dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--color-white);
    border: 1px solid var(--color-gray-300);
    border-radius: 6px;
    box-shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    z-index: 2000;
    max-height: 250px;
    overflow-y: auto;
    display: none;
    margin-top: 4px;
    min-width: 300px;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, "Apple Color Emoji", Arial, sans-serif;
}

.contact-autocomplete-dropdown.show {
    display: block !important;
}

.contact-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 12px;
    border-bottom: 1px solid var(--color-gray-100);
    transition: background-color 0.15s ease;
    cursor: pointer;
}

.contact-item:hover {
    background-color: var(--color-gray-50);
}

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

.contact-name {
    font-weight: 500;
    color: var(--color-gray-900);
    flex: 1;
    cursor: pointer;
    padding: 4px 8px;
    border-radius: 4px;
    transition: background-color 0.15s ease;
    font-size: 14px;
}

.contact-name:hover {
    background-color: var(--color-gray-50);
}

.contact-actions {
    display: flex;
    gap: 6px;
}

.delete-contact-btn {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 4px 8px;
    background-color: var(--color-white);
    color: var(--color-gray-600);
    border: var(--border-width) solid var(--color-gray-300);
    border-radius: calc(var(--border-radius) - 2px);
    font-size: 12px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    margin: 0;
    width: auto;
    min-width: auto;
}

.delete-contact-btn:hover {
    background-color: var(--color-white);
    color: var(--color-gray-900);
    border-color: var(--color-gray-900);
}

/* Error Messages */
.error-message {
    color: var(--color-gray-600);
    font-size: 12px;
    margin-top: 4px;
    display: none;
}

/* Loading State */
.loading {
    display: none;
    align-items: center;
    justify-content: center;
    gap: 8px;
    color: var(--color-gray-600);
    font-size: 14px;
    margin-bottom: 16px;
}

.loading::before {
    content: '';
    width: 16px;
    height: 16px;
    border: 2px solid var(--color-gray-300);
    border-top: 2px solid var(--color-gray-600);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Map Container */
.map-container {
    height: 300px;
    width: 100%;
    border: var(--border-width) solid var(--color-gray-300);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: border-color 0.2s ease;
}

.map-container:hover {
    border-color: var(--color-gray-400);
}

.map-info {
    font-size: 12px;
    color: var(--color-gray-500);
    text-align: center;
    margin-top: 8px;
    font-style: italic;
}

.map-controls {
    margin-bottom: 8px;
    display: flex;
    justify-content: flex-end;
}

.current-location-btn {
    background-color: var(--color-gray-900);
    color: var(--color-white);
    border: var(--border-width) solid var(--color-gray-900);
    padding: 6px 12px;
    border-radius: var(--border-radius);
    font-size: 12px;
    cursor: pointer;
    transition: background-color 0.2s ease;
    display: flex;
    align-items: center;
    gap: 4px;
}

.current-location-btn:hover {
    background-color: var(--color-gray-800);
    border-color: var(--color-gray-800);
}

.current-location-btn:disabled {
    background-color: var(--color-gray-400);
    border-color: var(--color-gray-400);
    cursor: not-allowed;
}

/* Name Input Container */
.name-input-container {
    position: relative;
    display: flex;
    gap: 8px;
    align-items: stretch;
}

.name-input-container input {
    flex: 1;
    margin-bottom: 0;
}

/* Form group containing name input should allow overflow */
.form-group:has(.name-input-container) {
    overflow: visible;
    position: relative;
}

/* Toast Notifications */
.toast {
    position: fixed;
    bottom: 20px;
    right: 20px;
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 20px;
    border-radius: var(--border-radius);
    color: var(--color-white);
    font-weight: 500;
    z-index: 2000;
    animation: slideInUpToast 0.4s cubic-bezier(0.21, 1.02, 0.73, 1);
    box-shadow: var(--shadow-lg);
    max-width: 350px;
    border: var(--border-width) solid var(--color-gray-200);
    background-color: var(--color-gray-900);
}

.toast svg {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

.toast.success {
    background-color: var(--color-gray-900);
}

.toast.error {
    background-color: var(--color-gray-900);
}

.toast.info {
    background-color: var(--color-gray-900);
}

@keyframes slideInUpToast {
    from {
        transform: translateY(100%);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

@keyframes slideOutDownToast {
    from {
        transform: translateY(0);
        opacity: 1;
    }
    to {
        transform: translateY(100%);
        opacity: 0;
    }
}

/* Small text */
.info-small {
    font-size: 12px;
    color: var(--color-gray-500);
    margin-top: 8px;
    display: block;
    text-align: center;
}

/* Links */
a {
    color: var(--color-gray-900);
    text-decoration: none;
    transition: text-decoration 0.2s ease;
}

a:hover {
    text-decoration: underline;
}

.back-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-top: 24px;
    color: var(--color-gray-600);
    font-size: 14px;
    transition: color 0.2s ease;
}

.back-link:hover {
    color: var(--color-gray-900);
    text-decoration: none;
}

/* Simple Hamburger Button */
.mobile-nav-toggle {
    display: none;
    width: 44px;
    height: 44px;
    background-color: var(--color-white);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--border-radius);
    cursor: pointer;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 4px;
    box-shadow: var(--shadow-sm);
    transition: all 0.2s ease;
    margin-bottom: 24px;
}

.mobile-nav-toggle:hover {
    background-color: var(--color-gray-50);
    box-shadow: var(--shadow-md);
}

.mobile-nav-toggle span {
    width: 20px;
    height: 2px;
    background-color: var(--color-gray-700);
    transition: all 0.3s ease;
}

.mobile-nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.mobile-nav-toggle.active span:nth-child(2) {
    opacity: 0;
}

.mobile-nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
}


/* Responsive */
@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
        transition: transform 0.3s ease;
    }

    .sidebar.active {
        transform: translateX(0);
    }

    .mobile-nav-toggle {
        display: flex;
    }

    .main-content {
        margin-left: 0;
        padding: 16px 16px 16px 16px;
    }

    .page-header {
        margin-bottom: 24px;
    }

    .page-header h1 {
        font-size: 24px;
    }

    .page-header p {
        font-size: 14px;
    }

    .form-row {
        grid-template-columns: 1fr;
        gap: 12px;
    }

    .name-input-container {
        flex-direction: column;
        gap: 12px;
    }

    .contact-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }

    .contact-actions {
        width: 100%;
        justify-content: flex-end;
    }

    .button-row {
        grid-template-columns: 1fr;
        gap: 12px;
    }

    .contacts-grid {
        grid-template-columns: 1fr;
        gap: 12px;
    }

    .contact-card {
        padding: 12px;
    }

    .contact-card-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }

    .contact-card-actions {
        width: 100%;
        justify-content: flex-end;
    }

    .form-group {
        margin-bottom: 16px;
    }

    .card {
        margin-bottom: 16px;
    }

    .card-content {
        padding: 16px;
    }
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background-color: var(--color-gray-50);
}

::-webkit-scrollbar-thumb {
    background-color: var(--color-gray-300);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background-color: var(--color-gray-400);
}

/* Override Leaflet popup styles */
.leaflet-popup-content-wrapper {
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-md);
    font-family: inherit;
}

.leaflet-popup-content {
    font-family: inherit;
    font-size: 14px;
    color: var(--color-gray-900);
    line-height: 1.5;
}

/* Contact Management Page Styles - Notion/Shadcn inspired */
.contacts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 12px;
    margin-bottom: 16px;
}

.contact-card {
    background-color: var(--color-white);
    border: 1px solid var(--color-gray-200);
    border-radius: 8px;
    padding: 16px;
    transition: all 0.15s ease;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, "Apple Color Emoji", Arial, sans-serif;
}

.contact-card:hover {
    border-color: var(--color-gray-300);
    box-shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1);
}

.contact-card.clickable {
    cursor: pointer;
    transition: all 0.15s ease;
}

.contact-card.clickable:hover {
    border-color: var(--color-gray-400);
    box-shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    transform: translateY(-1px);
}

.contact-card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 12px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--color-gray-100);
}

.contact-title {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.contact-title h3 {
    margin: 0;
    font-size: 16px;
    font-weight: 600;
    color: var(--color-gray-900);
    line-height: 1.4;
}

.click-hint {
    font-size: 12px;
    color: var(--color-gray-500);
    font-weight: 400;
    opacity: 0;
    transition: opacity 0.15s ease;
}

.contact-card.clickable:hover .click-hint {
    opacity: 1;
}

.contact-card-actions {
    display: flex;
    gap: 6px;
    flex-shrink: 0;
}

.edit-contact-btn {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 8px;
    background-color: var(--color-gray-900);
    color: var(--color-white);
    border: var(--border-width) solid var(--color-gray-900);
    border-radius: calc(var(--border-radius) - 2px);
    font-size: 12px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
}

.edit-contact-btn:hover {
    background-color: var(--color-gray-800);
    border-color: var(--color-gray-800);
}

.contact-card-content {
    font-size: 13px;
    line-height: 1.5;
    color: var(--color-gray-600);
}

.contact-card-content p {
    margin: 6px 0;
    display: flex;
    align-items: flex-start;
}

.contact-card-content strong {
    color: var(--color-gray-900);
    font-weight: 500;
    min-width: 80px;
    margin-right: 8px;
}

.no-contacts {
    text-align: center;
    padding: 60px 20px;
    color: var(--color-gray-500);
    background-color: var(--color-gray-50);
    border: 1px solid var(--color-gray-200);
    border-radius: 8px;
    font-style: normal;
}

.no-contacts p {
    margin: 0;
    font-size: 14px;
    font-weight: 400;
}

/* Responsive adjustments for contact cards */
@media (max-width: 768px) {
    .contacts-grid {
        grid-template-columns: 1fr;
    }

    .contact-card-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }

    .contact-card-actions {
        width: 100%;
        justify-content: flex-end;
    }
}