/* CO₂-jämföraren v1.2.0 */
.co2j {
    --co2j-green: #4ade80;
    --co2j-green-dark: #22c55e;
    --co2j-green-deep: #16a34a;
    --co2j-bg-start: #0a1a0f;
    --co2j-bg-mid: #0d2818;
    --co2j-bg-end: #122d1a;
    --co2j-text: #e8f0e8;
    --co2j-text-muted: rgba(232, 240, 232, 0.5);
    --co2j-text-faint: rgba(232, 240, 232, 0.3);
    --co2j-border: rgba(255, 255, 255, 0.1);
    --co2j-glass: rgba(255, 255, 255, 0.06);
    --co2j-red: #ef4444;
    --co2j-red-dark: #b91c1c;
    --co2j-amber: #f59e0b;
    --co2j-amber-dark: #b45309;

    font-family: 'DM Sans', sans-serif;
    color: var(--co2j-text);
    background: linear-gradient(165deg, var(--co2j-bg-start) 0%, var(--co2j-bg-mid) 30%, var(--co2j-bg-end) 60%, var(--co2j-bg-start) 100%);
    padding: 0;
    position: relative;
    overflow: hidden;
    border-radius: 16px;
    max-width: 580px;
    margin: 30px auto;
    box-sizing: border-box;
}

.co2j *, .co2j *::before, .co2j *::after {
    box-sizing: border-box;
}

/* Ambient glows */
.co2j::before {
    content: '';
    position: absolute;
    top: -120px;
    right: -80px;
    width: 350px;
    height: 350px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(74, 222, 128, 0.08) 0%, transparent 70%);
    pointer-events: none;
}
.co2j::after {
    content: '';
    position: absolute;
    bottom: -100px;
    left: -60px;
    width: 300px;
    height: 300px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(34, 197, 94, 0.06) 0%, transparent 70%);
    pointer-events: none;
}

/* Animations */
@keyframes co2j-fadeIn {
    from { opacity: 0; transform: translateY(4px); }
    to { opacity: 1; transform: translateY(0); }
}
@keyframes co2j-slideUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}
@keyframes co2j-pulse {
    0%, 100% { opacity: 0.4; }
    50% { opacity: 0.7; }
}
@keyframes co2j-trainMove {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(400%); }
}
@keyframes co2j-barGrow {
    from { width: 2%; }
}

/* Header */
.co2j-header {
    padding: 40px 24px 20px;
    text-align: center;
    position: relative;
}

.co2j-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(74, 222, 128, 0.1);
    border: 1px solid rgba(74, 222, 128, 0.2);
    border-radius: 100px;
    padding: 6px 16px;
    margin-bottom: 16px;
    font-size: 12px;
    font-family: 'DM Mono', monospace;
    color: var(--co2j-green);
    letter-spacing: 1.5px;
    text-transform: uppercase;
}

.co2j-badge-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--co2j-green);
    animation: co2j-pulse 2s infinite;
    display: inline-block;
}

.co2j-title {
    font-family: 'Playfair Display', serif !important;
    font-size: clamp(26px, 5vw, 40px);
    font-weight: 900;
    line-height: 1.1;
    margin: 0 0 12px;
    background: linear-gradient(135deg, var(--co2j-text) 0%, var(--co2j-green) 50%, var(--co2j-green-dark) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.co2j-subtitle {
    font-size: 15px;
    color: var(--co2j-text-muted);
    max-width: 380px;
    margin: 0 auto;
    line-height: 1.5;
    font-weight: 300;
}

/* Train track */
.co2j-train-track {
    height: 36px;
    overflow: hidden;
    position: relative;
    margin: 0 0 10px;
}

.co2j-train-line {
    position: absolute;
    top: 24px;
    left: 0;
    right: 0;
    height: 2px;
    background: rgba(74, 222, 128, 0.15);
}

.co2j-train-emoji {
    position: absolute;
    top: 2px;
    font-size: 24px;
    animation: co2j-trainMove 10s linear infinite;
    white-space: nowrap;
    letter-spacing: -2px;
}

.co2j-loco {
    display: inline-block;
    transform: scaleX(-1);
}

/* Controls */
.co2j-controls {
    padding: 0 24px;
    max-width: 480px;
    margin: 0 auto;
}

.co2j-selects {
    display: flex;
    gap: 10px;
    margin-bottom: 12px;
    align-items: flex-end;
}

.co2j-select-group {
    flex: 1;
}

.co2j-label {
    display: block;
    font-size: 11px;
    font-family: 'DM Mono', monospace;
    color: rgba(232, 240, 232, 0.4);
    letter-spacing: 1px;
    text-transform: uppercase;
    margin-bottom: 6px;
}

.co2j-select {
    width: 100%;
    padding: 12px 36px 12px 14px;
    border-radius: 10px;
    background-color: var(--co2j-glass);
    border: 1px solid var(--co2j-border);
    color: var(--co2j-text);
    font-size: 15px;
    font-family: 'DM Sans', sans-serif;
    appearance: none;
    -webkit-appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%234ade80' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    cursor: pointer;
    transition: border-color 0.2s;
}

.co2j-select:focus {
    outline: 2px solid var(--co2j-green);
    outline-offset: 2px;
}

.co2j-select:disabled {
    color: var(--co2j-text-faint);
    cursor: default;
}

.co2j-select option {
    background: var(--co2j-bg-end);
}

.co2j-arrow {
    display: flex;
    align-items: center;
    padding-bottom: 12px;
    color: rgba(74, 222, 128, 0.5);
    font-size: 18px;
    flex-shrink: 0;
}

/* Passengers */
.co2j-passengers {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 24px;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 10px;
    padding: 10px 14px;
    border: 1px solid rgba(255, 255, 255, 0.06);
}

.co2j-passengers-label {
    font-size: 12px;
    font-family: 'DM Mono', monospace;
    color: var(--co2j-text-muted);
    letter-spacing: 1px;
    text-transform: uppercase;
    flex: 1;
}

.co2j-btn-round {
    width: 32px;
    height: 32px;
    border-radius: 8px;
    background: rgba(74, 222, 128, 0.1);
    border: 1px solid rgba(74, 222, 128, 0.2);
    color: var(--co2j-green);
    font-size: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: background 0.2s;
    line-height: 1;
    padding: 0;
}

.co2j-btn-round:hover {
    background: rgba(74, 222, 128, 0.2);
}

.co2j-btn-round:focus {
    outline: 2px solid var(--co2j-green);
    outline-offset: 2px;
}

.co2j-passengers-count {
    font-family: 'DM Mono', monospace;
    font-size: 18px;
    font-weight: 700;
    min-width: 24px;
    text-align: center;
}

/* Empty state */
.co2j-empty {
    text-align: center;
    padding: 40px 24px;
    animation: co2j-fadeIn 0.5s ease-out;
}

.co2j-empty-icon {
    font-size: 48px;
    margin-bottom: 12px;
    opacity: 0.4;
}

.co2j-empty p {
    font-size: 14px;
    color: var(--co2j-text-faint);
    max-width: 260px;
    margin: 0 auto;
}

/* Results */
.co2j-results {
    padding: 0 24px 40px;
    max-width: 480px;
    margin: 0 auto;
    animation: co2j-slideUp 0.6s ease-out;
}

.co2j-distance-badge {
    text-align: center;
    margin-bottom: 20px;
}

.co2j-distance-badge span {
    display: inline-block;
    background: rgba(74, 222, 128, 0.08);
    border: 1px solid rgba(74, 222, 128, 0.15);
    border-radius: 100px;
    padding: 6px 18px;
    font-family: 'DM Mono', monospace;
    font-size: 13px;
    color: rgba(232, 240, 232, 0.6);
}

/* Bars */
.co2j-bars {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-bottom: 28px;
}

.co2j-bar-group {}

.co2j-bar-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 6px;
}

.co2j-bar-label {
    font-size: 14px;
    font-weight: 500;
}

.co2j-bar-time {
    font-size: 12px;
    font-family: 'DM Mono', monospace;
    color: rgba(232, 240, 232, 0.4);
}

.co2j-bar-bg {
    height: 32px;
    border-radius: 6px;
    background: var(--co2j-glass);
    overflow: hidden;
    position: relative;
}

.co2j-bar {
    height: 100%;
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: flex-end;
    padding-right: 12px;
    min-width: 60px;
    transition: width 1.2s cubic-bezier(0.22, 1, 0.36, 1);
    width: 2%;
}

.co2j-bar-train {
    background: linear-gradient(90deg, var(--co2j-green-deep), var(--co2j-green));
}

.co2j-bar-flight {
    background: linear-gradient(90deg, var(--co2j-red-dark), var(--co2j-red));
}

.co2j-bar-car {
    background: linear-gradient(90deg, var(--co2j-amber-dark), var(--co2j-amber));
}

.co2j-bar-value {
    color: #fff;
    font-weight: 700;
    font-size: 14px;
    font-family: 'DM Mono', monospace;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
    white-space: nowrap;
}

/* When bar is too narrow, show value outside */
.co2j-bar-small {
    overflow: visible;
}

.co2j-bar-small .co2j-bar-value {
    position: relative;
    left: 12px;
    color: var(--co2j-text);
    text-shadow: none;
}

/* Savings */
.co2j-savings {
    background: linear-gradient(135deg, rgba(74, 222, 128, 0.1) 0%, rgba(34, 197, 94, 0.05) 100%);
    border: 1px solid rgba(74, 222, 128, 0.2);
    border-radius: 16px;
    padding: 24px 20px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.co2j-savings-glow {
    position: absolute;
    top: -30px;
    right: -30px;
    width: 100px;
    height: 100px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(74, 222, 128, 0.1) 0%, transparent 70%);
    pointer-events: none;
}

.co2j-savings-label {
    font-size: 12px;
    font-family: 'DM Mono', monospace;
    color: var(--co2j-green);
    letter-spacing: 1.5px;
    text-transform: uppercase;
    margin-bottom: 8px;
}

.co2j-savings-value {
    font-family: 'Playfair Display', serif !important;
    font-size: clamp(36px, 8vw, 52px);
    font-weight: 900;
    background: linear-gradient(135deg, var(--co2j-green), var(--co2j-green-dark));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    margin-bottom: 4px;
}

.co2j-savings-sub {
    font-size: 14px;
    color: var(--co2j-text-muted);
    margin-bottom: 16px;
}

.co2j-savings-divider {
    height: 1px;
    background: rgba(74, 222, 128, 0.15);
    margin: 16px 0;
}

.co2j-trees-label {
    font-size: 13px;
    color: var(--co2j-text-muted);
    margin-bottom: 8px;
}

.co2j-trees {
    display: flex;
    flex-wrap: wrap;
    gap: 2px;
    justify-content: center;
    margin-top: 4px;
}

.co2j-tree {
    font-size: 16px;
    opacity: 0;
    animation: co2j-fadeIn 0.3s forwards;
}

/* Fact box */
.co2j-fact {
    margin-top: 20px;
    padding: 16px;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.06);
}

.co2j-fact-label {
    font-size: 11px;
    font-family: 'DM Mono', monospace;
    color: rgba(232, 240, 232, 0.35);
    letter-spacing: 1px;
    text-transform: uppercase;
    margin-bottom: 10px;
}

.co2j-fact p {
    font-size: 14px;
    color: rgba(232, 240, 232, 0.6);
    line-height: 1.6;
    margin: 0;
}

/* Source */
.co2j-source {
    margin-top: 16px;
    text-align: center;
    font-size: 11px;
    color: rgba(232, 240, 232, 0.25);
    font-family: 'DM Mono', monospace;
    line-height: 1.6;
}

/* Responsive */
@media (max-width: 480px) {
    .co2j-header {
        padding: 30px 16px 16px;
    }
    .co2j-controls {
        padding: 0 16px;
    }
    .co2j-results {
        padding: 0 16px 30px;
    }
    .co2j-selects {
        gap: 6px;
    }
    .co2j-select {
        padding: 10px 30px 10px 10px;
        font-size: 14px;
    }
}