/* calc/assets/css/calculators/readability.css */

:root {
    --bg-slate-card: #F1F5F9; 
    --text-slate-main: #0F172A; 
    --text-slate-muted: #475569; 
    
    --accent-crimson: #E11D48; 
    --accent-crimson-hover: #BE123C; 
    --accent-crimson-glow: rgba(225, 29, 72, 0.15);
    
    --score-good: #10B981; 
    --score-warn: #F59E0B; 
    --score-bad: #E11D48; 
    
    --border-slate: #E2E8F0; 
    --shadow-slate: 0 20px 40px -10px rgba(0, 0, 0, 0.05), 
                    0 0 15px rgba(0, 0, 0, 0.02);
}

.calc-header { margin-bottom: 32px; }
.subtitle { color: var(--text-secondary); margin-top: 8px; }

.calc-grid { 
    display: grid; grid-template-columns: 1fr; gap: 24px; align-items: start; 
    width: 100%; box-sizing: border-box; 
}
@media (min-width: 900px) { .calc-grid { grid-template-columns: 1fr 1fr; } }

.calc-inputs, .calc-results { 
    min-width: 0; max-width: 100%; box-sizing: border-box; overflow: hidden; 
}

.group-title { font-size: 14px; font-weight: 800; color: var(--text-slate-main); margin: 0 0 12px 0; text-transform: uppercase; letter-spacing: 0.05em; border-bottom: 2px solid var(--border-slate); padding-bottom: 8px;}

/* УТИЛИТЫ (ИСПРАВЛЕНО: Добавлен класс скрытия) */
.hidden { display: none !important; }

/* LIVE TEXTAREA */
.input-group { margin-bottom: 16px; width: 100%; }
.calc-textarea {
    width: 100%; min-height: 220px; padding: 16px; font-size: 15px; line-height: 1.6;
    border: 2px solid var(--border-slate); border-radius: 12px; background: #FFFFFF;
    color: var(--text-slate-main); resize: vertical; outline: none; transition: all 0.3s;
    box-sizing: border-box;
}
.calc-textarea:focus { border-color: var(--accent-crimson); box-shadow: 0 0 0 4px var(--accent-crimson-glow); }

/* READABILITY DASHBOARD */
.readability-dashboard {
    display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-bottom: 16px;
}
.readability-box {
    background: #FFFFFF; border: 2px solid var(--border-slate); border-radius: 16px;
    padding: 20px 16px; display: flex; flex-direction: column; align-items: center; text-align: center;
    transition: all 0.3s ease;
}
.rb-header { font-size: 12px; font-weight: 800; color: var(--text-slate-muted); text-transform: uppercase; letter-spacing: 0.05em;}
.rb-score { font-size: 42px; font-weight: 900; color: var(--text-slate-main); line-height: 1; margin: 8px 0; transition: color 0.3s;}
.rb-label { font-size: 13px; font-weight: 700; color: var(--text-slate-muted); padding: 4px 12px; border-radius: 99px; background: var(--bg-slate-card);}

/* Text metrics grid */
.text-metrics-grid {
    display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; margin-bottom: 32px;
}
@media (min-width: 480px) { .text-metrics-grid { grid-template-columns: repeat(4, 1fr); } }
.metric-item {
    font-size: 12px; color: var(--text-slate-muted); background: var(--bg-slate-card);
    padding: 10px; border-radius: 8px; text-align: center;
}
.metric-item strong { display: block; font-size: 16px; color: var(--text-slate-main); margin-top: 4px;}

/* DROPZONE СТИЛИ */
.dropzone-area {
    border: 2px dashed #CBD5E1; border-radius: 16px; background: #FFFFFF;
    padding: 40px 20px; text-align: center; cursor: pointer;
    transition: all 0.3s ease; margin-top: 8px;
}
.dropzone-area:hover, .dropzone-area.drag-over {
    border-color: var(--accent-crimson); background: #FFF1F2;
}
.dropzone-content { display: flex; flex-direction: column; align-items: center; gap: 12px; pointer-events: none;}
.drop-icon { color: var(--accent-crimson); transition: transform 0.3s;}
.dropzone-area:hover .drop-icon { transform: translateY(-5px); }
.drop-title { font-size: 16px; font-weight: 700; color: var(--text-slate-main); }
.drop-desc { font-size: 13px; color: var(--text-slate-muted); }

/* ПРАВАЯ КАРТОЧКА (Slate Dark) */
.card--slate-crimson { 
    background: #0F172A; 
    color: #F8FAFC; 
    border: 1px solid #1E293B; border-radius: 24px;
    box-shadow: var(--shadow-slate);
    overflow: hidden; padding: 32px 0 0 0; 
    display: flex; flex-direction: column; max-height: 650px;
    min-width: 0; max-width: 100%; box-sizing: border-box;
}
@media (min-width: 900px) { .sticky-card { position: sticky; top: 24px; } }

.crimson-title { 
    color: var(--accent-crimson); margin: 0 24px 16px; 
    font-size: 12px; text-align: center; 
    font-weight: 800; letter-spacing: 0.15em; text-transform: uppercase;
}

.empty-state {
    display: flex; flex-direction: column; align-items: center; justify-content: center;
    padding: 60px 24px; color: #475569; gap: 16px; text-align: center;
    font-size: 14px; font-weight: 500; flex: 1;
}
.empty-state svg { color: #1E293B; }

.file-list-container {
    flex: 1; overflow-y: auto; overflow-x: hidden; padding: 0 24px 20px;
    scrollbar-width: thin; scrollbar-color: #334155 transparent;
    min-width: 0; max-width: 100%; box-sizing: border-box;
}
.file-list-container::-webkit-scrollbar { width: 6px; }
.file-list-container::-webkit-scrollbar-thumb { background-color: #334155; border-radius: 10px; }

.file-list { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 12px; }

.file-item {
    display: flex; flex-direction: column;
    background: #1E293B; border: 1px solid #334155; border-radius: 12px;
    padding: 12px; gap: 12px; transition: transform 0.2s; position: relative; overflow: hidden;
    min-width: 0; max-width: 100%; box-sizing: border-box;
}

.file-item-header { display: flex; align-items: center; justify-content: space-between; gap: 12px; width: 100%; }

.file-thumb {
    width: 40px; height: 40px; border-radius: 8px; background: #0F172A;
    border: 1px solid #334155; flex-shrink: 0; display: flex; align-items: center; justify-content: center; 
    color: #94A3B8; font-size: 10px; font-weight: 700; text-transform: uppercase;
}

.file-info { display: flex; flex-direction: column; flex: 1; overflow: hidden; min-width: 0; width: 100%; }
.file-name { 
    font-size: 13px; font-weight: 700; color: #F8FAFC;
    display: block; width: 100%; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; 
    margin-bottom: 2px;
}

/* File stats indicators */
.file-scores { display: flex; gap: 8px; flex-wrap: wrap; }
.f-badge { font-size: 10px; font-weight: 700; padding: 4px 8px; border-radius: 6px; background: #0F172A; color:#E2E8F0; border: 1px solid #334155;}
.f-badge span { color: #94A3B8; margin-right: 4px;}
.f-badge.good { border-color: var(--score-good); color: var(--score-good); }
.f-badge.warn { border-color: var(--score-warn); color: var(--score-warn); }
.f-badge.bad { border-color: var(--score-bad); color: var(--score-bad); }

.slate-display { 
    display: flex; flex-direction: column;
    padding: 20px 24px; gap: 12px; background: #0B1120; border-top: 1px solid #1E293B;
    min-width: 0; max-width: 100%; box-sizing: border-box;
}

.download-action-btn {
    display: flex; align-items: center; justify-content: center; gap: 10px;
    width: 100%; padding: 16px; background: var(--accent-crimson); color: #FFFFFF;
    font-size: 15px; font-weight: 700; border-radius: 14px; border: none; cursor: pointer;
    transition: all 0.3s ease; box-shadow: 0 8px 20px var(--accent-crimson-glow);
}
.download-action-btn:hover:not(:disabled) { background: var(--accent-crimson-hover); transform: translateY(-2px); box-shadow: 0 12px 25px rgba(225, 29, 72, 0.3); }
.download-action-btn:disabled { background: #1E293B; color: #64748B; box-shadow: none; transform: none; cursor: not-allowed; }

.secondary-action-btn {
    background: transparent; color: #94A3B8; border: none;
    font-size: 13px; font-weight: 600; cursor: pointer; text-decoration: underline;
    transition: color 0.2s; padding: 4px;
}
.secondary-action-btn:hover { color: #FCA5A5; }

/* SEO ИНФОБЛОКИ И ТАБЛИЦЫ */
.info-wrapper { padding: 60px 0; margin-top: 60px; border-top: 1px solid rgba(0,0,0,0.06); margin-bottom: 20px; }
.icon-heading { display: flex; align-items: flex-start; gap: 16px; margin-bottom: 24px; font-size: 24px; font-weight: 800; color: var(--text-primary); line-height: 1.3; }
.header-icon { display: flex; align-items: center; justify-content: center; width: 48px; height: 48px; border-radius: 14px; background: #fff; box-shadow: 0 4px 12px rgba(0,0,0,0.04); flex-shrink: 0; margin-top: -4px; }
.header-icon svg { width: 24px; height: 24px; stroke-width: 2px; }
.crimson-icon svg { color: var(--accent-crimson); }
.slate-icon svg { color: #64748B; }
.intro-text { font-size: 16px; color: var(--text-secondary); margin-bottom: 32px; line-height: 1.6; }

.formulas-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; margin-bottom: 48px; width: 100%; box-sizing: border-box;}
.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: 24px; display: flex; flex-direction: column; min-width: 0; max-width: 100%; box-sizing: border-box;}
.formula-header { display: flex; flex-direction: column; align-items: flex-start; gap: 12px; margin-bottom: 16px; }
.formula-card h3 { margin: 0; font-size: 18px; font-weight: 700; color: var(--text-primary); line-height: 1.3; }

.badge-crimson { background: #FFF1F2; color: #E11D48; padding: 6px 12px; border-radius: 99px; font-size: 11px; font-weight: 800; text-transform: uppercase; }
.badge-slate { background: #F1F5F9; color: #334155; padding: 6px 12px; border-radius: 99px; font-size: 11px; font-weight: 800; text-transform: uppercase; }
.formula-card p { font-size: 14px; color: var(--text-secondary); margin: 0; line-height: 1.5; font-weight: 500; }

.soft-divider { border: none; height: 1px; background: linear-gradient(90deg, transparent, #E2E8F0, transparent); margin: 48px 0; }

/* FAQ */
.faq-section .faq-item { background: #fff; border: 1px solid #E2E8F0; border-radius: 12px; margin-bottom: 12px; overflow: hidden; transition: all 0.2s ease; }
.faq-section .faq-item[open] { border-color: var(--accent-crimson); box-shadow: 0 4px 15px rgba(0,0,0,0.05); }
summary.faq-question { padding: 16px 20px; cursor: pointer; font-weight: 600; color: var(--text-primary); list-style: none; display: flex; justify-content: space-between; align-items: center; transition: background 0.2s; }
summary.faq-question:hover { background-color: #F8FAFC; }
.faq-section .faq-item[open] summary.faq-question { color: #E11D48; background: #FFF1F2; }
.faq-question::after { content: '+'; font-size: 20px; color: var(--text-secondary); font-weight: 400; line-height: 1; }
.faq-question .icon-plus { display: none; }
.faq-section .faq-item[open] summary.faq-question::after { content: '−'; color: #E11D48; }
.faq-answer, .faq-item div[itemprop="text"] { padding: 20px; color: var(--text-secondary); line-height: 1.6; font-size: 15px; }

/* МОБИЛЬНАЯ АДАПТАЦИЯ */
@media (max-width: 900px) {
    .readability-dashboard { grid-template-columns: 1fr; }
    .formulas-grid { grid-template-columns: 1fr; gap: 16px; margin-bottom: 32px; }
}