:root {
    --bg-color: #0f172a;
    --card-bg: rgba(30, 41, 59, 0.7);
    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --accent-color: #06b6d4;
    /* Cyan/Teal */
    --accent-hover: #0891b2;
    --cupra-copper: #cf8e55;
    /* Cupra-like Copper */
    --success-color: #10b981;
    --glass-border: rgba(255, 255, 255, 0.1);
    --font-family: 'Outfit', sans-serif;
}

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

body {
    font-family: var(--font-family);
    background-color: var(--bg-color);
    color: var(--text-primary);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    padding: 20px;
    background-image: radial-gradient(circle at top right, #1e293b 0%, #0f172a 100%);
}

.app-container {
    width: 100%;
    max-width: 600px;
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

header {
    text-align: center;
    margin-bottom: 1rem;
}

h1 {
    font-weight: 700;
    font-size: 2.5rem;
    background: linear-gradient(to right, var(--accent-color), #22d3ee);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 0.5rem;
}

.subtitle {
    color: var(--text-secondary);
    font-size: 1rem;
}

#vehicle-name-display {
    color: var(--text-primary);
    font-weight: 600;
}

.status-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(255, 255, 255, 0.05);
    padding: 0.25rem 0.75rem;
    border-radius: 999px;
    font-size: 0.8rem;
    margin-top: 1rem;
    color: var(--text-secondary);
}

.status-dot {
    width: 8px;
    height: 8px;
    background-color: var(--success-color);
    border-radius: 50%;
    box-shadow: 0 0 8px var(--success-color);
}

.glass-panel {
    background: var(--card-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: 1.5rem;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
}

h2 {
    font-size: 1.25rem;
    margin-bottom: 1.5rem;
    font-weight: 600;
}

.input-group {
    margin-bottom: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

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

select,
input[type="number"],
input[type="text"] {
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--glass-border);
    color: var(--text-primary);
    padding: 0.75rem;
    border-radius: 8px;
    font-family: var(--font-family);
    font-size: 1rem;
    outline: none;
    transition: border-color 0.2s;
}

select:focus,
input[type="number"]:focus,
input[type="text"]:focus {
    border-color: var(--accent-color);
}

.consumption-inputs {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.slider-group {
    margin-bottom: 2rem;
}

.slider-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.75rem;
}

.highlight-value {
    color: var(--accent-color);
    font-weight: 700;
    font-size: 1.1rem;
}

input[type="range"] {
    width: 100%;
    height: 6px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 3px;
    outline: none;
    -webkit-appearance: none;
}

input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 20px;
    height: 20px;
    background: var(--accent-color);
    border-radius: 50%;
    cursor: pointer;
    box-shadow: 0 0 10px rgba(6, 182, 212, 0.5);
    transition: transform 0.1s;
}

input[type="range"]::-webkit-slider-thumb:hover {
    transform: scale(1.1);
}

.slider-labels {
    display: flex;
    justify-content: space-between;
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-top: 0.5rem;
}

.text-btn {
    background: none;
    border: none;
    color: var(--accent-color);
    cursor: pointer;
    font-size: 0.9rem;
    text-decoration: underline;
    padding: 0;
}

.icon-btn {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    margin-left: auto;
    transition: color 0.2s;
    font-family: var(--font-family);
    font-size: 0.8rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.icon-btn:hover {
    color: var(--text-primary);
}

.hidden {
    display: none !important;
}

.result-card {
    margin-bottom: 2rem;
    position: relative;
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.best-choice {
    border: 1px solid var(--accent-color);
    box-shadow: 0 0 20px rgba(6, 182, 212, 0.15);
}

.best-choice::before {
    content: 'BESTE WAHL';
    position: absolute;
    top: 12px;
    right: 12px;
    background: var(--accent-color);
    color: #000;
    font-size: 0.7rem;
    font-weight: 800;
    padding: 4px 8px;
    border-radius: 4px;
}

.result-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 1rem;
}

.tariff-name {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
}

.provider-name {
    font-size: 0.9rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.total-cost {
    font-size: 2rem;
    font-weight: 700;
    color: var(--success-color);
    text-align: right;
}

.cost-period {
    font-size: 0.8rem;
    color: var(--text-secondary);
    display: block;
    font-weight: 400;
}

.cost-breakdown {
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--glass-border);
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.breakdown-row {
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.5rem;
}

.tariff-details-highlight {
    display: flex;
    gap: 0.5rem;
    margin-top: 0.5rem;
    flex-wrap: wrap;
}

.detail-badge {
    background: rgba(6, 182, 212, 0.1);
    border: 1px solid rgba(6, 182, 212, 0.3);
    color: var(--accent-color);
    font-size: 0.75rem;
    padding: 2px 6px;
    border-radius: 4px;
    white-space: nowrap;
}

/* Comparison List Styles - Matching Screenshot */
.comparison-item {
    background: rgba(30, 41, 59, 0.7);
    /* Darker, more solid background */
    border-radius: 12px;
    padding: 1.5rem;
    margin-bottom: 1rem;
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 1rem;
    align-items: center;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.2s;
}

.comparison-item:hover {
    background: rgba(51, 65, 85, 0.8);
    border-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

.comp-info {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
}

.comp-name {
    font-size: 1.2rem;
    font-weight: 700;
    color: #fff;
    line-height: 1.2;
}

.comp-provider {
    font-size: 0.9rem;
    color: var(--text-secondary);
    text-transform: none;
    margin-bottom: 0px;
}

.comp-details-mini {
    font-size: 0.9rem;
    color: var(--text-secondary);
    display: flex;
    flex-wrap: wrap;
    gap: 0;
    align-items: center;
    margin-top: 0.1rem;
}

.comp-details-mini span {
    display: inline-flex;
    align-items: center;
    color: rgb(148, 163, 184);
}

.comp-details-mini span:not(:last-child)::after {
    content: "•";
    margin: 0 0.5rem;
    color: rgba(255, 255, 255, 0.3);
}

.comp-cost {
    font-size: 1.5rem;
    font-weight: 800;
    color: #fff;
    text-align: right;
}

.breakeven-badge {
    margin-left: 0.5rem;
    display: inline-flex;
    align-self: center;
}

.breakeven-badge {
    font-size: 0.75rem;
    padding: 2px 6px;
    border-radius: 4px;
    white-space: nowrap;
    margin-left: 0.5rem;
    font-weight: 600;
}

.breakeven-badge.positive {
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.3);
    color: var(--success-color);
}

.breakeven-badge.negative {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: #ef4444;
}

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

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.result-card,
.comparison-item {
    animation: fadeIn 0.5s ease-out forwards;
}

/* Modal Styles */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    backdrop-filter: blur(5px);
}

.modal-content {
    width: 90%;
    max-width: 800px;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    padding: 2rem;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    border-bottom: 1px solid var(--glass-border);
    padding-bottom: 1rem;
}

.close-modal {
    font-size: 2rem;
    color: var(--text-secondary);
    cursor: pointer;
    line-height: 1;
}


.edit-field input {
    width: 100%;
    padding: 0.5rem;
    font-size: 0.9rem;
}

.modal-actions {
    display: flex;
    justify-content: flex-end;
    gap: 1rem;
    margin-top: 2rem;
    border-top: 1px solid var(--glass-border);
    padding-top: 1rem;
}

.primary-btn,
.secondary-btn {
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    font-family: var(--font-family);
}

.primary-btn {
    background: var(--accent-color);
    color: #000;
    border: none;
}

.primary-btn:hover {
    background: var(--accent-hover);
}

.secondary-btn {
    background: transparent;
    border: 1px solid var(--text-secondary);
    color: var(--text-primary);
}


.tariff-edit-row {
    margin-bottom: 2rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--glass-border);
}

.tariff-edit-row:last-child {
    border-bottom: none;
    margin-bottom: 0;
}

.tariff-inputs-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
    margin-top: 1rem;
}

/* Responsive Modal */
@media (max-width: 768px) {
    .tariff-inputs-grid {
        grid-template-columns: 1fr;
        gap: 0.5rem;
    }
}