/* calc/assets/css/calculators/percentage-calculator.css */

:root {
    --pct-primary: #047857; /* Изумрудный / Emerald-700 */
    --pct-bg: #ECFDF5;      /* Светлый изумруд / Emerald-50 */
    --pct-dark: #064E3B;    /* Emerald-900 */
    --pct-accent: #10B981;  /* Emerald-500 */
}

/* --- ВЕРХНЯЯ ЧАСТЬ --- */
.calc-header { margin-bottom: 40px; }
.subtitle { color: var(--text-secondary); margin-top: 12px; font-size: 16px; line-height: 1.5; }

.calc-grid { display: grid; grid-template-columns: 1fr; gap: 32px; align-items: start; }
@media (min-width: 1024px) { .calc-grid { grid-template-columns: 1.1fr 0.9fr; gap: 40px; } }

.form-divider { border: none; height: 1px; background: #A7F3D0; margin: 0; opacity: 0.7; }
.mt-3 { margin-top: 16px; }
.text-center { text-align: center; }

/* Блоки калькуляторов */
.pct-block { padding: 24px 0; position: relative; }
.pct-block:first-child { padding-top: 0; }
.pct-block:last-child { padding-bottom: 0; }

.highlight-group { background: var(--pct-bg); padding: 24px; border-radius: 16px; border: 1px dashed var(--pct-primary); margin-top: 0 !important; position: relative;}

.group-title-small { font-size: 14px; font-weight: 800; color: var(--pct-primary); text-transform: uppercase; letter-spacing: 0.5px; margin: 0 0 16px 0; display: flex; align-items: center; gap: 6px; border-left: 3px solid var(--pct-primary); padding-left: 8px;}

/* Фразы (Конструктор) - АДАПТИВ */
.pct-phrase { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; font-size: 16px; font-weight: 600; color: #374151; margin-bottom: 16px; }
.pct-text { line-height: 1.2; white-space: nowrap; }

/* Инпуты внутри фразы */
.input-wrapper { position: relative; }
.input-wrapper input {
    width: 100%; padding: 10px 12px;
    font-size: 18px; font-weight: 800; font-family: inherit;
    border: 2px solid #D1D5DB; border-radius: 10px;
    transition: all 0.2s; outline: none; background: #fff;
    color: #111827; text-align: center;
}
.input-wrapper input:focus { border-color: var(--pct-primary); box-shadow: 0 0 0 4px rgba(4, 120, 87, 0.15); }
.w-small { width: 90px; }
.w-medium { width: 130px; }
.suffix { position: absolute; right: 12px; color: #9CA3AF; font-weight: 800; pointer-events: none; font-size: 14px; top: 50%; transform: translateY(-50%); }

/* Результат внутри блока */
.pct-result { font-size: 16px; color: #4B5563; font-weight: 600; background: #F9FAFB; padding: 12px 16px; border-radius: 10px; border: 1px solid #E5E7EB; display: inline-flex; align-items: center; gap: 8px; }
.pct-result strong { font-size: 20px; font-weight: 800; }
.text-emerald { color: var(--pct-primary); }
.text-danger { color: #EF4444; }

/* KILLER FEATURE: Графики (Pie Chart) */
.relative-block { position: relative; }
.pct-chart {
    position: absolute; right: 0; top: 24px;
    width: 50px; height: 50px; border-radius: 50%;
    background: conic-gradient(var(--pct-primary) 0% 0%, #E5E7EB 0% 100%);
    box-shadow: 0 4px 10px rgba(0,0,0,0.1); transition: background 0.3s;
}
.highlight-group .pct-chart { right: 24px; }


/* --- ПРАВАЯ ЧАСТЬ: ШПАРГАЛКА --- */
@media (min-width: 1024px) { .sticky-card { position: sticky; top: 24px; transition: top 0.3s; } }

.pct-result-card {
    background: #111827; border: 2px solid #1F2937; padding: 32px;
    border-top: 6px solid var(--pct-primary); border-radius: 20px;
    box-shadow: 0 20px 40px -10px rgba(0,0,0,0.5); color: #F3F4F6;
}

.result-header { text-align: center; margin-bottom: 32px; }
.result-header h2 { font-size: 18px; font-weight: 800; color: #fff; margin: 0 0 8px 0; text-transform: uppercase; letter-spacing: 1px; }
.result-header p { margin: 0; color: #9CA3AF; font-size: 13px; font-weight: 600; text-transform: uppercase; }

/* Шпаргалка */
.cheat-sheet-grid { display: flex; flex-direction: column; gap: 12px; }
.cs-item {
    display: flex; align-items: center; justify-content: space-between;
    background: #1F2937; padding: 12px 16px; border-radius: 12px;
    border: 1px solid #374151; transition: transform 0.2s;
}
.cs-item:hover { transform: translateX(5px); border-color: var(--pct-primary); background: #111827; }

.cs-frac { font-size: 20px; font-weight: 800; color: #D1D5DB; width: 40px; text-align: center; }
.cs-arrow { color: #6B7280; font-weight: 800; }
.cs-pct { font-size: 22px; font-weight: 800; color: var(--pct-accent); width: 70px; text-align: center; }
.cs-desc { font-size: 12px; font-weight: 600; color: #9CA3AF; text-transform: uppercase; flex-grow: 1; text-align: right; }

.summary-divider { height: 2px; background: repeating-linear-gradient(90deg, #374151 0, #374151 6px, transparent 6px, transparent 12px); margin: 24px 0; opacity: 0.6; }

.warning-box { font-size: 13px; font-weight: 500; background: rgba(4, 120, 87, 0.1); padding: 16px; border-radius: 12px; display: flex; gap: 10px; align-items: flex-start; line-height: 1.5; border: 1px solid rgba(4, 120, 87, 0.3); color: #A7F3D0; }
.warning-box i { font-size: 20px; margin-top: -2px; color: var(--pct-accent); }


/* --- НИЖНЯЯ ЧАСТЬ (SEO, INFO) --- */
.info-wrapper { padding: 80px 0; margin-top: 60px; border-top: 1px solid #E5E7EB; }

.author-badge { display: flex; align-items: flex-start; gap: 16px; margin-bottom: 40px; padding: 20px; background: #F8FAFC; border-radius: 16px; border: 1px solid #E2E8F0; }
.author-avatar { width: 48px; height: 48px; background: var(--pct-primary); color: #fff; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 22px; flex-shrink: 0; }
.author-info { display: flex; flex-direction: column; min-width: 0; }
.author-name { font-size: 15px; font-weight: 700; color: #111827; line-height: 1.4; margin-bottom: 4px; }
.author-date { font-size: 13px; color: #6B7280; }

.icon-heading { display: flex; align-items: flex-start; gap: 16px; margin-bottom: 32px; font-size: 26px; font-weight: 800; color: #111827; line-height: 1.25; letter-spacing: -0.02em; }
.header-icon { display: flex; align-items: center; justify-content: center; width: 52px; height: 52px; border-radius: 14px; background: #fff; box-shadow: 0 4px 12px rgba(0,0,0,0.06); flex-shrink: 0; margin-top: -6px; font-size: 26px; }

.emerald-icon { color: var(--pct-primary); }
.dark-icon { color: var(--pct-dark); }
.text-warning { color: #F59E0B; font-weight: 700; }

.formulas-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; margin-bottom: 56px; }
.formula-card { background: #fff; border: 1px solid rgba(0,0,0,0.04); box-shadow: 0 4px 20px rgba(0,0,0,0.03); border-radius: 24px; padding: 32px; transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1); display: flex; flex-direction: column; }
.formula-card:hover { transform: translateY(-6px); box-shadow: 0 12px 32px rgba(4, 120, 87, 0.1); border-color: rgba(4, 120, 87, 0.1); }
.formula-header { display: flex; flex-direction: column; align-items: flex-start; gap: 14px; margin-bottom: 20px; }
.formula-card h3 { margin: 0; font-size: 20px; font-weight: 700; color: var(--text-primary); line-height: 1.3; }

.badge-emerald { background: var(--pct-primary); color: #fff; padding: 6px 12px; border-radius: 99px; font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.5px; display: inline-block; }
.badge-dark { background: var(--pct-dark); color: #fff; padding: 6px 12px; border-radius: 99px; font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.5px; display: inline-block; }

.formula-card p { font-size: 15px; color: var(--text-secondary); margin: 0; line-height: 1.6; font-weight: 500; }
.math-expression { background: var(--pct-bg); border: 1px dashed var(--pct-primary); padding: 18px; border-radius: 14px; font-weight: 700; color: var(--pct-dark); text-align: center; margin-bottom: 20px; font-size: 17px; font-family: 'Courier New', Courier, monospace; letter-spacing: 0.5px; }

.soft-divider { border: none; height: 1px; background: linear-gradient(90deg, transparent, #E5E7EB, transparent); margin: 56px 0; opacity: 0.7; }
.intro-text { font-size: 16px; color: var(--text-secondary); line-height: 1.6; margin-bottom: 40px; }
.calc-description p { font-size: 17px; line-height: 1.7; color: #4B5563; margin-bottom: 24px; }
.calc-description strong { color: #1F2937; font-weight: 700; }

/* Перелинковка */
.internal-links-box { margin-top: 32px; background: #F3F4F6; padding: 24px; border-radius: 16px; border-left: 4px solid var(--pct-primary); }
.internal-links-box h4 { margin: 0 0 12px 0; font-size: 17px; color: #111827; }
.internal-links-box ul { margin: 0; padding-left: 20px; color: #4B5563; }
.internal-links-box li { margin-bottom: 8px; font-size: 15px; }
.internal-links-box a { color: var(--pct-primary); text-decoration: underline; font-weight: 600; }

/* SEO Таблица */
.seo-table-wrapper { overflow-x: auto; margin-bottom: 48px; background: #fff; border-radius: 16px; border: 1px solid #E5E7EB; box-shadow: 0 4px 10px rgba(0,0,0,0.02); }
.seo-table-wrapper::-webkit-scrollbar { height: 6px; }
.seo-table-wrapper::-webkit-scrollbar-thumb { background: #D1D5DB; border-radius: 3px; }
.seo-table { width: 100%; border-collapse: collapse; min-width: 500px; text-align: left; }
.seo-table th { background: #F9FAFB; padding: 18px 24px; font-size: 13px; font-weight: 800; color: #6B7280; text-transform: uppercase; border-bottom: 1px solid #E5E7EB; letter-spacing: 0.5px; }
.seo-table td { padding: 18px 24px; font-size: 15px; border-bottom: 1px solid #F3F4F6; color: #374151; vertical-align: top; line-height: 1.5; }
.seo-table tr:last-child td { border-bottom: none; }
.seo-table code { background: #F3F4F6; padding: 2px 6px; border-radius: 4px; font-family: 'Courier New', Courier, monospace; font-size: 14px; border: 1px solid #D1D5DB;}

.howto-section { margin-top: 48px; }
.howto-step { display: flex; gap: 20px; margin-bottom: 32px; background: #fff; padding: 24px; border-radius: 20px; border: 1px solid #E5E7EB; transition: box-shadow 0.2s, transform 0.2s; }
.howto-step:hover { box-shadow: 0 10px 25px -5px rgba(0,0,0,0.05); transform: translateY(-2px); }
.step-num { width: 36px; height: 36px; background: var(--pct-bg); color: var(--pct-primary); font-weight: 800; border-radius: 50%; display: flex; align-items: center; justify-content: center; flex-shrink: 0; font-size: 15px; border: 1px solid rgba(4, 120, 87, 0.2); }
.step-content h4 { margin: 0 0 10px 0; font-size: 18px; color: #111827; font-weight: 700; }
.step-content p { margin: 0; font-size: 16px; color: #6B7280; line-height: 1.6; }

.faq-section .faq-item { background: #fff; border: 1px solid #E5E7EB; border-radius: 16px; margin-bottom: 16px; overflow: hidden; transition: all 0.2s ease; }
.faq-section .faq-item:hover { border-color: #D1D5DB; }
.faq-section .faq-item[open] { border-color: var(--pct-primary); box-shadow: 0 8px 20px rgba(4, 120, 87, 0.08); }
summary.faq-question { padding: 22px 28px; cursor: pointer; font-weight: 700; color: var(--text-primary); font-size: 17px; list-style: none; position: relative; display: flex; justify-content: space-between; align-items: center; transition: background 0.2s; }
.faq-section .faq-item[open] summary.faq-question { color: var(--pct-primary); background: var(--pct-bg); border-bottom: 1px solid #A7F3D0; }
.faq-question::after { content: '+'; font-size: 26px; color: #9CA3AF; font-weight: 400; line-height: 1; transition: transform 0.3s; }
.faq-section .faq-item[open] summary.faq-question::after { content: '−'; color: var(--pct-primary); }
.faq-answer, .faq-item div[itemprop="text"] { padding: 28px; color: var(--text-secondary); line-height: 1.7; font-size: 16px; background: #fff; }
.faq-answer p { margin: 0; }

@media (max-width: 900px) {
    .calc-header { margin-bottom: 32px; }
    .formulas-grid { grid-template-columns: 1fr; gap: 20px; }
    .icon-heading { font-size: 22px; gap: 12px; }
    .header-icon { width: 44px; height: 44px; font-size: 22px; }
    .formula-card { padding: 24px; }
    summary.faq-question { padding: 18px 20px; font-size: 16px; }
    .faq-answer, .faq-item div[itemprop="text"] { padding: 20px; font-size: 15px; }
    .howto-step { padding: 20px; gap: 16px; flex-direction: column; }
    .step-num { margin-bottom: -8px; }
}

/* ИСПРАВЛЕНИЕ МОБИЛЬНОЙ ВЕРСИИ */
@media (max-width: 480px) {
    .author-badge { padding: 16px; gap: 12px; align-items: flex-start; flex-direction: row; }
    .author-avatar { width: 40px; height: 40px; font-size: 18px; }
    
    .pct-phrase { 
        flex-direction: column; 
        align-items: stretch; 
        gap: 12px; 
    }
    
    .pct-text { font-size: 14px; text-align: left; }
    
    .w-small, .w-medium { width: 100%; }
    
    /* Скрываем график на маленьком экране для чистоты дизайна */
    .pct-chart { display: none; }
    
    .pct-result { width: 100%; justify-content: space-between; }
    
    .cs-item { padding: 10px 12px; }
    .cs-desc { display: none; }
}