:root {
    /* Alkuperäiset muuttujat */
    --blue-400: #60a5fa;
    --blue-500: #3b82f6;
    --blue-600: #2563eb;
    --blue-700: #1d4ed8;
    --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;
    --bg-dark: #0f172a;
    --card-dark: #1e293b;
    --input-dark: #334155;

    /* Uudet modernit muuttujat */
    --primary: #3b82f6;
    --primary-hover: #2563eb;
    --accent: #06b6d4;
    --accent-hover: #0891b2;
    --card-bg: rgba(255, 255, 255, 0.8);
    --card-blur: 12px;
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
    --transition: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
        --blue-400: #60a5fa;
        --blue-500: #3b82f6;
        --blue-600: #2563eb;
        --blue-700: #1d4ed8;
        --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;
        
        --bg-dark: #0f172a;
        --card-dark: #1e293b;
        --input-dark: #334155;
    }

    /* Glassmorphism ja modernit kortit */
    .card, .rounded-lg, .rounded-md {
        background: var(--card-bg);
        backdrop-filter: blur(var(--card-blur));
        border: 1px solid rgba(255, 255, 255, 0.4);
        box-shadow: var(--shadow-md);
        transition: transform var(--transition), box-shadow var(--transition);
    }

    .card:hover, .rounded-lg:hover, .rounded-md:hover {
        transform: translateY(-2px);
        box-shadow: var(--shadow-lg);
    }

    /* Modernit painikkeet */
    .btn, button[type="submit"], .btn-primary, #route-record-fab {
        background: linear-gradient(135deg, var(--primary), var(--primary-hover));
        color: white;
        padding: 0.75rem 1.5rem;
        border-radius: var(--radius-md);
        border: none;
        font-weight: 500;
        box-shadow: var(--shadow-sm);
        transition: transform var(--transition), box-shadow var(--transition), background var(--transition);
    }

    .btn:hover, button[type="submit"]:hover, .btn-primary:hover {
        background: linear-gradient(135deg, var(--primary-hover), var(--accent));
        transform: translateY(-1px);
        box-shadow: var(--shadow-md);
    }

    /* FAB - Floating Action Button */
#route-record-fab {
    position: fixed;
    right: 2rem;
    bottom: 2rem;
    width: 4rem;
    height: 4rem;
    border-radius: 50%;
    box-shadow: 0 4px 24px rgba(0,0,0,0.18);
    background: var(--primary);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    z-index: 40;
    transition: background 0.2s, box-shadow 0.2s, transform 0.15s;
}
#route-record-fab:hover, #route-record-fab:focus {
    background: var(--primary-hover);
    box-shadow: 0 8px 32px rgba(0,0,0,0.22);
    transform: scale(1.07);
}

/* Ilmoitukset */
.notification {
    position: fixed;
    bottom: 1rem;
    right: 1rem;
    padding: 1rem;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    z-index: 50;
    transition: opacity 0.3s ease-out;
}

.notification.success {
    background-color: #10b981;
    color: white;
}

.notification.error {
    background-color: #ef4444;
    color: white;
}

.notification.info {
    background-color: #3b82f6;
    color: white;
}

.notification.warning {
    background-color: #f59e0b;
    color: #1f2937;
}
@media (min-width: 768px) {
    #route-record-fab {
        position: absolute;
        right: 2rem;
        bottom: 2rem;
    }
}

/* Parannellut lomake-elementit */
    input, select, textarea {
        background: rgba(255, 255, 255, 0.9);
        border: 1px solid var(--gray-200);
        border-radius: var(--radius-md);
        padding: 0.75rem 1rem;
        transition: border var(--transition), box-shadow var(--transition);
    }

    input:focus, select:focus, textarea:focus {
        border-color: var(--primary);
        box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
        outline: none;
    }

    /* Animaatiot */
    @keyframes fadeIn {
        from { opacity: 0; transform: translateY(10px); }
        to { opacity: 1; transform: translateY(0); }
    }

    .fade-in {
        animation: fadeIn 0.3s ease-out;
    }

    body { 
        font-family: 'Inter', sans-serif;
        transition: background-color 0.2s;
        min-height: 100vh;
        background-color: white;
    }

    .dark body {
        background-color: var(--bg-dark);
        color: var(--gray-100);
    }

    /* Varmista että html-elementti kattaa koko näytön */
    html {
        min-height: 100vh;
    }

    .dark html {
        background-color: var(--bg-dark);
    }

    /* Pääkontainerin ja muiden valkoisten elementtien tausta */
    .dark .bg-white,
    .dark div[class*="bg-white"] {
        background-color: var(--card-dark);
    }

    /* Varmista että kaikki kortit ovat tummia */
    .dark .rounded-lg,
    .dark .rounded-md {
        background-color: var(--card-dark);
    }

    /* Varmista että Tailwindin dark mode luokat eivät ylikirjoita */
    .dark .dark\:bg-gray-800 {
        background-color: var(--card-dark) !important;
    }

    .btn { 
        padding: 0.6rem 1.2rem;
        border-radius: 0.375rem;
        font-weight: 500;
        cursor: pointer;
        transition: all 0.3s ease;
        box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
        display: inline-flex;
        align-items: center;
        gap: 0.5rem;
    }

    .btn-primary {
        color: white;
        background-color: var(--blue-600);
    }

    .dark .btn-primary {
        background-color: var(--blue-500);
    }

    .btn-primary:hover {
        background-color: var(--blue-700);
    }

    .btn-secondary, .btn-location {
        color: var(--gray-700);
        background-color: white;
        border: 1px solid var(--gray-300);
    }

    .dark .btn-secondary, .dark .btn-location {
        color: var(--gray-300);
        background-color: var(--gray-700);
        border-color: var(--gray-600);
    }

    .btn-secondary:hover, .btn-location:hover {
        background-color: var(--gray-100);
    }

    .dark .btn-secondary:hover, .dark .btn-location:hover {
        background-color: var(--gray-600);
    }

    .card {
        background-color: white;
        padding: 1rem;
        border-radius: 0.5rem;
        border: 1px solid var(--gray-200);
        box-shadow: 0 1px 3px rgba(0,0,0,0.1);
        transition: background-color 0.2s;
    }

    .dark .card {
        background-color: var(--card-dark);
        border-color: var(--gray-700);
        box-shadow: 0 1px 3px rgba(0,0,0,0.3);
    }

    input[type="text"], input[type="number"], input[type="date"], textarea, select {
        margin-top: 0.25rem;
        display: block;
        width: 100%;
        padding: 0.5rem;
        border-radius: 0.375rem;
        border: 1px solid var(--gray-300);
        background-color: white;
        color: var(--gray-900);
        transition: all 0.2s;
        -webkit-appearance: none;
        -moz-appearance: none;
        appearance: none;
    }

    /* Estä automaattinen taustaväri Chromessa */
    input:-webkit-autofill,
    input:-webkit-autofill:hover,
    input:-webkit-autofill:focus,
    input:-webkit-autofill:active,
    select:-webkit-autofill,
    select:-webkit-autofill:hover,
    select:-webkit-autofill:focus,
    select:-webkit-autofill:active {
        -webkit-box-shadow: 0 0 0 30px white inset !important;
        -webkit-text-fill-color: var(--gray-900) !important;
    }

    select {
        background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3e%3c/svg%3e");
        background-position: right 0.5rem center;
        background-repeat: no-repeat;
        background-size: 1.5em 1.5em;
        padding-right: 2.5rem;
    }

    .dark input[type="text"], .dark input[type="number"], .dark input[type="date"], 
    .dark textarea, .dark select {
        background-color: var(--input-dark) !important;
        border-color: var(--gray-600);
        color: var(--gray-100);
    }

    /* Estä automaattinen taustaväri Chromessa tummassa tilassa */
    .dark input:-webkit-autofill,
    .dark input:-webkit-autofill:hover,
    .dark input:-webkit-autofill:focus,
    .dark input:-webkit-autofill:active,
    .dark select:-webkit-autofill,
    .dark select:-webkit-autofill:hover,
    .dark select:-webkit-autofill:focus,
    .dark select:-webkit-autofill:active {
        -webkit-box-shadow: 0 0 0 30px var(--input-dark) inset !important;
        -webkit-text-fill-color: var(--gray-100) !important;
    }

    .dark select {
        background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%239ca3af' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3e%3c/svg%3e");
        background-color: var(--input-dark) !important;
        color: var(--gray-100) !important;
    }

    /* Varmista että select-option elementit ovat myös tummia */
    .dark select option {
        background-color: var(--input-dark);
        color: var(--gray-100);
    }
    
    .dark input:focus, .dark textarea:focus, .dark select:focus {
        border-color: var(--blue-400);
        box-shadow: 0 0 0 2px rgba(96, 165, 250, 0.2);
    }

    .tab-button {
        color: var(--gray-500);
        border-bottom: 2px solid transparent;
        transition: all 0.2s;
    }

    .dark .tab-button {
        color: var(--gray-400);
    }

    .tab-button:hover {
        color: var(--gray-700);
        border-color: var(--gray-300);
    }

    .dark .tab-button:hover {
        color: var(--gray-200);
        border-color: var(--gray-600);
    }

    .tab-button.active {
        border-color: var(--blue-500);
        color: var(--blue-600);
        font-weight: 500;
    }

    .dark .tab-button.active {
        color: var(--blue-400);
    }

    h1, h3 {
        color: var(--gray-800);
        transition: color 0.2s;
    }

    .dark h1, .dark h3 {
        color: white;
    }

    /* Varmista että myös Tailwindin text-gray-900 luokka toimii oikein */
    .dark .text-gray-900 {
        color: white !important;
    }

    label {
        color: var(--gray-700);
        transition: color 0.2s;
    }

    .dark label {
        color: var(--gray-300);
    }

    .dark td, .dark th {
        color: var(--gray-300);
    }

    /* Tekstien kontrastit tummassa teemassa */
    .dark .text-gray-500,
    .dark .text-gray-600,
    .dark [class*="text-gray-"] {
        color: var(--gray-300) !important;
    }

    /* Otsikot ja tärkeät tekstit */
    .dark .text-gray-900 {
        color: var(--gray-100) !important;
    }

    /* Lisätty parempi kontrasti modaalien ja listausten teksteille */
    .dark .text-sm,
    .dark small,
    .dark .text-gray-700 {
        color: var(--gray-300) !important;
    }

    /* Korostetaan aktiivisia ja hover-tiloja */
    .dark a:hover,
    .dark button:hover {
        color: var(--gray-100);
    }

    .dark #tripExpensesModal {
        background-color: rgba(15, 23, 42, 0.95);
    }

    .dark #tripExpensesModal .bg-white {
        background-color: var(--card-dark);
    }

    /* Map controls in dark mode */
    .dark .leaflet-control-zoom a,
    .dark .leaflet-control-layers,
    .dark .leaflet-bar a {
        background-color: var(--card-dark) !important;
        border-color: var(--gray-600) !important;
        color: var(--gray-100) !important;
    }

    .dark .leaflet-control-zoom a:hover,
    .dark .leaflet-bar a:hover {
        background-color: var(--input-dark) !important;
    }

    .dark .leaflet-control-layers-toggle,
    .dark .leaflet-control-layers-expanded {
        background-color: var(--card-dark) !important;
        border-color: var(--gray-600) !important;
        color: var(--gray-100) !important;
    }

    /* Map search box in dark mode */
    .dark .leaflet-control-geocoder-form input {
        background-color: var(--input-dark) !important;
        border-color: var(--gray-600) !important;
        color: var(--gray-100) !important;
    }

    .dark .leaflet-control-geocoder-alternatives {
        background-color: var(--card-dark) !important;
        border-color: var(--gray-600) !important;
        color: var(--gray-100) !important;
    }

    .dark .leaflet-control-geocoder-alternatives li:hover {
        background-color: var(--input-dark) !important;
    }
    .dark #tripExpensesModal thead {
        background-color: var(--input-dark, #374151) !important;
    }
    .dark #tripExpensesModal th {
        color: var(--gray-300, #d1d5db) !important;
    }

    /* Modaali fade-animaatio */
    .modal-fadein {
        animation: modalFadeIn 0.2s;
    }
    .modal-fadeout {
        animation: modalFadeOut 0.2s;
    }
    @keyframes modalFadeIn {
        from { opacity: 0; transform: scale(0.98);}
        to   { opacity: 1; transform: scale(1);}
    }
    @keyframes modalFadeOut {
        from { opacity: 1; transform: scale(1);}
        to   { opacity: 0; transform: scale(0.98);}
    }