/**
 * Pozdrower – Kalkulator Kosztu Ładowania E-roweru
 * Consistent design system with pzd-calc (profitability calculator)
 */

.pzd-chrg {
    --pzd-blue: #2c5aa0;
    --pzd-blue-light: #e8eff8;
    --pzd-blue-dark: #1d3f72;
    --pzd-yellow: #ffc107;
    --pzd-yellow-light: #fff8e1;
    --pzd-green: #28a745;
    --pzd-green-light: #d4edda;
    --pzd-green-dark: #1e7e34;
    --pzd-red: #dc3545;
    --pzd-teal: #20c997;
    --pzd-orange: #fd7e14;
    --pzd-text: #333;
    --pzd-text-mid: #495057;
    --pzd-text-light: #6c757d;
    --pzd-bg: #f8f9fa;
    --pzd-white: #fff;
    --pzd-border: #e0e4e8;
    --pzd-radius: 12px;
    --pzd-radius-sm: 8px;
    --pzd-shadow: 0 2px 8px rgba(0,0,0,0.08);
    --pzd-shadow-lg: 0 8px 24px rgba(0,0,0,0.12);
    --pzd-transition: 0.25s ease;

    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--pzd-text);
    max-width: 820px;
    margin: 0 auto;
    padding: 0;
}

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

/* Hero */
.pzd-chrg__hero {
    background: linear-gradient(135deg, #1a6b3c, #28a745);
    color: var(--pzd-white);
    padding: 40px 32px;
    border-radius: var(--pzd-radius);
    text-align: center;
    margin-bottom: 28px;
    position: relative;
    overflow: hidden;
}
.pzd-chrg__hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 300px;
    height: 300px;
    background: rgba(255,255,255,0.06);
    border-radius: 50%;
    pointer-events: none;
}
.pzd-chrg__hero-icon { color: var(--pzd-yellow); margin-bottom: 16px; }
.pzd-chrg__hero-title {
    font-size: 1.6em; font-weight: 700; margin: 0 0 12px 0;
    color: var(--pzd-white); border: none; padding: 0; line-height: 1.3;
}
.pzd-chrg__hero-sub { font-size: 1em; opacity: 0.9; margin: 0 auto; max-width: 580px; }

/* Sections */
.pzd-chrg__section {
    background: var(--pzd-white); border: 1px solid var(--pzd-border);
    border-radius: var(--pzd-radius); padding: 28px; margin-bottom: 20px;
    box-shadow: var(--pzd-shadow);
}
.pzd-chrg__section-header { display: flex; align-items: flex-start; gap: 16px; margin-bottom: 24px; }
.pzd-chrg__section-number {
    display: inline-flex; align-items: center; justify-content: center;
    width: 36px; height: 36px; min-width: 36px;
    background: var(--pzd-green); color: var(--pzd-white);
    border-radius: 50%; font-weight: 700; font-size: 1em;
}
.pzd-chrg__section-title { font-size: 1.25em; font-weight: 700; color: var(--pzd-green-dark); margin: 0 0 4px 0; padding: 0; border: none; }
.pzd-chrg__section-desc { font-size: 0.9em; color: var(--pzd-text-light); margin: 0; }
.pzd-chrg__optional { font-weight: 400; font-size: 0.8em; color: var(--pzd-text-light); }

/* Presets */
.pzd-chrg__presets { display: flex; gap: 8px; margin-bottom: 20px; flex-wrap: wrap; }
#pzd-chrg .pzd-chrg__preset-btn {
    flex: 1 !important; min-width: 90px !important; padding: 10px 8px !important;
    border: 2px solid var(--pzd-border) !important; border-radius: var(--pzd-radius-sm) !important;
    background: var(--pzd-bg) !important; color: #888 !important;
    font-size: 0.9em !important; font-weight: 600 !important; cursor: pointer !important;
    transition: all var(--pzd-transition) !important; text-align: center !important;
    font-family: inherit !important; line-height: 1.3 !important; min-height: 48px !important;
}
#pzd-chrg .pzd-chrg__preset-btn span {
    display: block !important; font-weight: 500 !important; font-size: 0.78em !important;
    color: #aaa !important; margin-top: 2px !important;
}
#pzd-chrg .pzd-chrg__preset-btn: hover { border-color: var(--pzd-green) !important; background: var(--pzd-white) !important; color: var(--pzd-text) !important; }
#pzd-chrg .pzd-chrg__preset-btn: hover span { color: var(--pzd-text-mid) !important; }
#pzd-chrg .pzd-chrg__preset-btn--active { border-color: var(--pzd-green-dark) !important; background: var(--pzd-green-dark) !important; color: var(--pzd-white) !important; font-weight: 700 !important; box-shadow: 0 3px 12px rgba(40, 167, 69, 0.35) !important; transform: translateY(-1px) !important; }
#pzd-chrg .pzd-chrg__preset-btn--active span { color: rgba(255, 255, 255, 0.85) !important; font-weight: 600 !important; }

/* Fields & Sliders */
.pzd-chrg__panel { animation: pzdChrgFadeIn 0.3s ease; }
@keyframes pzdChrgFadeIn { from { opacity: 0; transform: translateY(-8px); } to { opacity: 1; transform: translateY(0); } }

.pzd-chrg__field { margin-bottom: 20px; }
.pzd-chrg__label { display: block; font-weight: 600; font-size: 0.9em; color: var(--pzd-text); margin-bottom: 10px; }
.pzd-chrg__slider-row { display: flex; align-items: center; gap: 16px; }

.pzd-chrg__slider {
    flex: 1; -webkit-appearance: none; appearance: none;
    height: 8px; border-radius: 4px; background: var(--pzd-border);
    outline: none; cursor: pointer; transition: background var(--pzd-transition);
    padding: 12px 0; margin: -12px 0; background-clip: content-box;
}
.pzd-chrg__slider::-webkit-slider-thumb {
    -webkit-appearance: none; appearance: none;
    width: 28px; height: 28px; border-radius: 50%;
    background: var(--pzd-green); border: 3px solid var(--pzd-white);
    box-shadow: 0 1px 6px rgba(0,0,0,0.25); cursor: pointer;
    transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.pzd-chrg__slider::-webkit-slider-thumb:hover { transform: scale(1.1); box-shadow: 0 2px 10px rgba(40,167,69,0.4); }
.pzd-chrg__slider::-webkit-slider-thumb:active { transform: scale(1.15); }
.pzd-chrg__slider::-moz-range-thumb {
    width: 28px; height: 28px; border-radius: 50%;
    background: var(--pzd-green); border: 3px solid var(--pzd-white);
    box-shadow: 0 1px 6px rgba(0,0,0,0.25); cursor: pointer;
}
.pzd-chrg__slider--alt::-webkit-slider-thumb { background: var(--pzd-orange); }
.pzd-chrg__slider--alt::-moz-range-thumb { background: var(--pzd-orange); }

.pzd-chrg__slider-val { min-width: 105px; text-align: right; font-weight: 700; font-size: 0.95em; color: var(--pzd-green-dark); white-space: nowrap; flex-shrink: 0; }
.pzd-chrg__slider-val--big { font-size: 1.15em; min-width: 115px; }
.pzd-chrg__hint { font-size: 0.8em; color: var(--pzd-text-light); margin: 6px 0 0 0; font-style: italic; }

/* Season toggle */
.pzd-chrg__season-toggle { display: flex; gap: 8px; flex-wrap: wrap; }
#pzd-chrg .pzd-chrg__season-btn {
    flex: 1 !important; min-width: 120px !important; padding: 10px 14px !important;
    border: 2px solid var(--pzd-border) !important; border-radius: var(--pzd-radius-sm) !important;
    background: var(--pzd-bg) !important; color: #888 !important;
    font-size: 0.86em !important; font-weight: 500 !important; cursor: pointer !important;
    transition: all var(--pzd-transition) !important; font-family: inherit !important; min-height: 48px !important;
}
#pzd-chrg .pzd-chrg__season-btn: hover { border-color: var(--pzd-green) !important; color: var(--pzd-green-dark) !important; background: var(--pzd-white) !important; }
#pzd-chrg .pzd-chrg__season-btn--active { border-color: var(--pzd-green-dark) !important; background: var(--pzd-green-dark) !important; color: var(--pzd-white) !important; font-weight: 700 !important; box-shadow: 0 3px 12px rgba(40, 167, 69, 0.35) !important; transform: translateY(-1px) !important; }

/* Toggle switch */
#pzd-chrg .pzd-chrg__toggle-switch { display: flex; align-items: center; gap: 12px; cursor: pointer; margin-bottom: 20px; min-height: 48px; }
#pzd-chrg .pzd-chrg__toggle-switch input { display: none; }
#pzd-chrg .pzd-chrg__toggle-track {
    display: inline-block !important; width: 48px !important; height: 26px !important;
    background: #c4c9cf !important; border-radius: 13px !important; position: relative !important;
    transition: background var(--pzd-transition) !important; flex-shrink: 0 !important;
}
#pzd-chrg .pzd-chrg__toggle-track::after {
    content: '' !important; position: absolute !important; top: 3px !important; left: 3px !important;
    width: 20px !important; height: 20px !important; background: var(--pzd-white) !important;
    border-radius: 50% !important; box-shadow: 0 1px 3px rgba(0,0,0,0.2) !important;
    transition: transform var(--pzd-transition) !important;
}
#pzd-chrg .pzd-chrg__toggle-switch input: checked + .pzd-chrg__toggle-track { background: var(--pzd-green) !important; }
#pzd-chrg .pzd-chrg__toggle-switch input: checked + .pzd-chrg__toggle-track::after { transform: translateX(22px) !important; }
#pzd-chrg .pzd-chrg__toggle-label { font-weight: 600 !important; font-size: 0.9em !important; color: var(--pzd-text) !important; }

/* Calculate button */
.pzd-chrg__action { text-align: center; margin-bottom: 28px; }
#pzd-chrg .pzd-chrg__calculate-btn {
    display: inline-flex !important; align-items: center !important; gap: 10px !important;
    padding: 16px 40px !important;
    background: linear-gradient(135deg, var(--pzd-green), var(--pzd-green-dark)) !important;
    color: var(--pzd-white) !important; border: none !important; border-radius: 50px !important;
    font-size: 1.1em !important; font-weight: 700 !important; cursor: pointer !important;
    box-shadow: 0 4px 16px rgba(40,167,69,0.35) !important;
    transition: all var(--pzd-transition) !important; font-family: inherit !important; min-height: 52px !important;
}
#pzd-chrg .pzd-chrg__calculate-btn: hover { transform: translateY(-2px) !important; box-shadow: 0 6px 24px rgba(40,167,69,0.45) !important; }
#pzd-chrg .pzd-chrg__calculate-btn: active { transform: translateY(0) !important; }

/* Results */
.pzd-chrg__results { animation: pzdChrgFadeIn 0.5s ease; }

.pzd-chrg__result-hero {
    background: linear-gradient(135deg, var(--pzd-green), #1a6b3c);
    color: var(--pzd-white); border-radius: var(--pzd-radius);
    padding: 36px 28px; text-align: center; margin-bottom: 24px;
    box-shadow: var(--pzd-shadow-lg);
}
.pzd-chrg__result-hero-label { font-size: 1em; opacity: 0.85; margin-bottom: 8px; text-transform: uppercase; letter-spacing: 1px; font-weight: 600; }
.pzd-chrg__result-hero-value { font-size: 3em; font-weight: 800; line-height: 1.1; margin-bottom: 8px; }
.pzd-chrg__result-hero-sub { font-size: 1em; opacity: 0.85; }

/* Stats grid */
.pzd-chrg__stats-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; margin-bottom: 28px; }
.pzd-chrg__stat-card {
    background: var(--pzd-white); border: 1px solid var(--pzd-border);
    border-radius: var(--pzd-radius); padding: 20px; text-align: center;
    box-shadow: var(--pzd-shadow); transition: transform var(--pzd-transition);
}
.pzd-chrg__stat-card:hover { transform: translateY(-2px); }
.pzd-chrg__stat-icon { margin-bottom: 10px; }
.pzd-chrg__stat-value { font-size: 1.3em; font-weight: 800; color: var(--pzd-text); margin-bottom: 4px; }
.pzd-chrg__stat-label { font-size: 0.8em; color: var(--pzd-text-mid); line-height: 1.3; }

/* Compare section */
.pzd-chrg__compare-section { margin-bottom: 28px; }
.pzd-chrg__compare-title { font-size: 1.15em; font-weight: 700; color: var(--pzd-text); margin: 0 0 16px 0; padding: 0; border: none; text-align: center; }
.pzd-chrg__compare-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; margin-bottom: 16px; }

.pzd-chrg__compare-card {
    border-radius: var(--pzd-radius); padding: 24px 20px; text-align: center;
}
.pzd-chrg__compare-card--bike { background: var(--pzd-green-light); border: 2px solid var(--pzd-green); }
.pzd-chrg__compare-card--car { background: #fef3f2; border: 2px solid var(--pzd-red); }

.pzd-chrg__compare-card-icon { margin-bottom: 8px; }
.pzd-chrg__compare-card--bike .pzd-chrg__compare-card-icon { color: var(--pzd-green-dark); }
.pzd-chrg__compare-card--car .pzd-chrg__compare-card-icon { color: var(--pzd-red); }

.pzd-chrg__compare-card-label { font-weight: 700; font-size: 0.85em; text-transform: uppercase; letter-spacing: 1px; margin-bottom: 10px; color: var(--pzd-text-mid); }
.pzd-chrg__compare-card-cost { font-size: 1.8em; font-weight: 800; color: var(--pzd-text); margin-bottom: 2px; }
.pzd-chrg__compare-card-unit { font-size: 0.8em; color: var(--pzd-text-mid); margin-bottom: 12px; }
.pzd-chrg__compare-card-monthly { font-size: 0.9em; color: var(--pzd-text); }

.pzd-chrg__compare-verdict {
    background: var(--pzd-yellow-light); border: 1px solid var(--pzd-yellow);
    border-radius: var(--pzd-radius-sm); padding: 16px 20px;
    text-align: center; font-size: 0.95em; font-weight: 600; color: var(--pzd-text);
}

/* Formula box */
.pzd-chrg__formula-box {
    background: var(--pzd-bg); border: 1px solid var(--pzd-border);
    border-radius: var(--pzd-radius); padding: 24px; margin-bottom: 24px;
}
.pzd-chrg__formula-title { font-weight: 700; font-size: 1em; margin-bottom: 12px; color: var(--pzd-text); }
.pzd-chrg__formula {
    background: var(--pzd-white); border: 1px solid var(--pzd-border);
    border-radius: var(--pzd-radius-sm); padding: 14px 18px;
    font-family: 'Courier New', Courier, monospace; font-size: 0.92em;
    color: var(--pzd-text); margin-bottom: 10px; overflow-x: auto;
}
.pzd-chrg__formula strong { color: var(--pzd-green-dark); font-size: 1.1em; }
.pzd-chrg__formula-explain { font-size: 0.82em; color: var(--pzd-text-mid); margin: 0; }

/* Info box */
.pzd-chrg__info-box {
    background: var(--pzd-yellow-light); border: 1px solid var(--pzd-yellow);
    border-radius: var(--pzd-radius-sm); padding: 18px 22px;
    font-size: 0.88em; color: var(--pzd-text); margin-bottom: 28px; line-height: 1.6;
}

/* Related articles */
.pzd-chrg__related { margin-top: 8px; }
.pzd-chrg__related-title { font-size: 1.15em; font-weight: 700; color: var(--pzd-green-dark); margin: 0 0 16px 0; padding: 0; border: none; }
.pzd-chrg__related-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; }
.pzd-chrg__related-card {
    display: flex; align-items: center; gap: 12px;
    padding: 14px 16px; background: var(--pzd-white); border: 1px solid var(--pzd-border);
    border-radius: var(--pzd-radius-sm); text-decoration: none; color: var(--pzd-text);
    font-size: 0.88em; font-weight: 500; transition: all var(--pzd-transition);
    line-height: 1.35; min-height: 60px;
}
.pzd-chrg__related-card:hover { border-color: var(--pzd-green); background: var(--pzd-green-light); transform: translateY(-1px); box-shadow: var(--pzd-shadow); text-decoration: none; color: var(--pzd-green-dark); }
.pzd-chrg__related-icon {
    display: inline-flex; align-items: center; justify-content: center;
    width: 36px; height: 36px; min-width: 36px;
    background: var(--pzd-green-light); border-radius: 8px; color: var(--pzd-green-dark);
}
.pzd-chrg__related-text { flex: 1; }

/* Responsive */
@media (max-width: 640px) {
    .pzd-chrg__hero { padding: 28px 20px; }
    .pzd-chrg__hero-title { font-size: 1.25em; }
    .pzd-chrg__hero-sub { font-size: 0.9em; }
    .pzd-chrg__section { padding: 20px 16px; }
    .pzd-chrg__section-title { font-size: 1.1em; }
    .pzd-chrg__presets { display: grid; grid-template-columns: repeat(3, 1fr); gap: 6px; }
    #pzd-chrg .pzd-chrg__preset-btn { min-width: 0 !important; padding: 8px 6px !important; font-size: 0.82em !important; }
    #pzd-chrg .pzd-chrg__preset-btn span { font-size: 0.72em !important; }
    .pzd-chrg__slider-row { gap: 12px; }
    .pzd-chrg__slider-val { min-width: 85px; font-size: 0.9em; }
    .pzd-chrg__slider-val--big { min-width: 95px; font-size: 1.05em; }
    .pzd-chrg__stats-grid { grid-template-columns: 1fr 1fr; gap: 10px; }
    .pzd-chrg__stat-card { padding: 16px 12px; }
    .pzd-chrg__stat-value { font-size: 1.1em; }
    .pzd-chrg__stat-label { font-size: 0.75em; }
    .pzd-chrg__compare-grid { grid-template-columns: 1fr; }
    .pzd-chrg__compare-card-cost { font-size: 1.5em; }
    .pzd-chrg__related-grid { grid-template-columns: 1fr; }
    .pzd-chrg__result-hero { padding: 28px 20px; }
    .pzd-chrg__result-hero-value { font-size: 2.4em; }
    #pzd-chrg .pzd-chrg__calculate-btn { width: 100% !important; justify-content: center !important; padding: 14px 24px !important; }
    .pzd-chrg__season-toggle { flex-direction: column; }
    .pzd-chrg__formula { font-size: 0.8em; }
}
@media (max-width: 380px) {
    .pzd-chrg__presets { grid-template-columns: repeat(2, 1fr); }
    .pzd-chrg__stats-grid { grid-template-columns: 1fr; }
    .pzd-chrg__result-hero-value { font-size: 2em; }
}