/* ============================================================
   CyberStudy 4E — Components: кнопки, чіпи, картки, форми,
   акордеон, прогрес-бари, таблиці, статуси
   ============================================================ */

/* ── Кнопки ── */
.cs-btn {
    display: inline-block;
    font-family: var(--cs-font);
    font-size: 16px;
    font-weight: 700;
    padding: 16px 30px;
    border-radius: var(--cs-r-sm);
    border: 0;
    cursor: pointer;
    text-align: center;
    transition: box-shadow .22s ease-out, transform .16s ease-out, border-color .2s ease-out, background .2s ease-out;
}
.cs-btn--primary {
    background: var(--cs-accent-grad);
    color: var(--cs-on-accent);
}
.cs-btn--primary:hover { color: var(--cs-on-accent); box-shadow: 0 0 0 8px var(--cs-accent-ring); transform: translateY(-2px); }
.cs-btn--primary:active { transform: translateY(0); }
.cs-btn--outline {
    background: transparent;
    color: var(--cs-text);
    box-shadow: inset 0 0 0 1px var(--cs-btn-outline);
}
.cs-btn--outline:hover {
    color: var(--cs-text);
    box-shadow: inset 0 0 0 1px var(--cs-accent);
    background: rgba(79, 195, 176, .08);
    transform: translateY(-2px);
}
.cs-btn--sm { font-size: 14px; padding: 12px 20px; }
.cs-btn--block { display: block; width: 100%; }

.cs-link-mono {
    font-family: var(--cs-mono);
    font-size: 12px;
    letter-spacing: .14em;
    text-transform: uppercase;
    color: var(--cs-accent);
}
.cs-link-mono:hover { color: var(--cs-white); }

/* ── Чіпи / мономітки ── */
.cs-chip {
    font-family: var(--cs-mono);
    font-size: 12px;
    line-height: 1;
    border: 1px solid var(--cs-line);
    border-radius: var(--cs-r-xs);
    padding: 9px 14px;
    color: var(--cs-text-body);
    white-space: nowrap;
    cursor: pointer;
    background: transparent;
}
.cs-chip--accent { border-color: var(--cs-accent-border); color: var(--cs-accent); background: var(--cs-accent); color: #06131A; }
.cs-chip-row { display: flex; flex-wrap: wrap; gap: 12px; }

.cs-badge-rec {
    font-family: var(--cs-mono);
    font-size: 10px;
    letter-spacing: .08em;
    text-transform: uppercase;
    background: var(--cs-accent-grad);
    color: var(--cs-on-accent);
    padding: 4px 8px;
    border-radius: var(--cs-r-sm);
    white-space: nowrap;
}

/* ── Картка-панель ── */
.cs-card {
    background: var(--cs-card-grad);
    border: 1px solid var(--cs-line);
    border-radius: var(--cs-r-md);
    transition: transform .22s ease-out, box-shadow .22s ease-out, border-color .22s ease-out;
}
a.cs-card:hover, .cs-card--hover:hover {
    transform: translateY(-4px);
    border-color: var(--cs-accent-border);
    box-shadow: var(--cs-shadow-md);
}

/* ── Номер (моно) ── */
.cs-num {
    font-family: var(--cs-mono);
    font-size: 12px;
    letter-spacing: .14em;
    color: var(--cs-accent);
}
.cs-num--dim { color: var(--cs-text-dim); }

/* ── Прогрес-бари ── */
.cs-bar { height: 7px; background: #22314F; border-radius: var(--cs-r-xs); overflow: hidden; }
.cs-bar__fill {
    height: 100%;
    width: 0;
    background: linear-gradient(90deg, #2F8C7C, #6FE6CD);
    border-radius: var(--cs-r-xs);
    transition: width .9s var(--cs-ease);
}

/* ── Хітмеп (комірки контролів) ── */
.cs-heat { display: flex; flex-wrap: wrap; gap: 3px; }
.cs-heat__cell { width: 10px; height: 10px; aspect-ratio: 1; border-radius: var(--cs-r-xs); }
.cs-heat__cell--ok { background: var(--cs-ok); }
.cs-heat__cell--part { background: var(--cs-warn); }
.cs-heat__cell--no { background: var(--cs-bad); }
.cs-heat__cell--na { background: var(--cs-na); }
.cs-legend { display: flex; flex-wrap: wrap; gap: 14px; font-size: 12px; color: var(--cs-text-dim); }
.cs-legend span { display: inline-flex; align-items: center; gap: 6px; }
.cs-legend i { width: 9px; height: 9px; border-radius: var(--cs-r-xs); display: inline-block; }

/* ── Акордеон (+ маркер) ── */
.cs-plus {
    font-size: 20px;
    line-height: 1;
    color: var(--cs-accent);
    transition: transform .2s ease-out;
    flex-shrink: 0;
}
details[open] > * > .cs-plus, details[open] .cs-plus--head { transform: rotate(45deg); }
.cs-section--light .cs-plus, .cs-section--light-grad .cs-plus { color: var(--cs-light-accent); }

details > summary { list-style: none; cursor: pointer; }
details > summary::-webkit-details-marker { display: none; }

/* ── Форми ── */
.cs-form { display: grid; gap: 16px; }
.cs-field label, .cs-field__label {
    display: block;
    font-size: 13px;
    font-weight: 700;
    color: var(--cs-text-body);
    margin-bottom: 8px;
}
.cs-field input,
.cs-field textarea,
.cs-field select {
    width: 100%;
    font-family: var(--cs-font);
    font-size: 15px;
    padding: 14px 16px;
    border: 1px solid var(--cs-input-line);
    border-radius: var(--cs-r-sm);
    outline: none;
    background: var(--cs-input-bg);
    color: var(--cs-text);
    transition: border-color .18s ease-out, box-shadow .18s ease-out;
}
.cs-field input:focus,
.cs-field textarea:focus,
.cs-field select:focus {
    border-color: var(--cs-accent);
    box-shadow: 0 0 0 4px rgba(79, 195, 176, .14);
}
.cs-field textarea { resize: vertical; }
.cs-form__consent {
    font-size: 12px;
    line-height: 1.5;
    color: var(--cs-text-dim);
    text-align: center;
}
.cs-form__msg {
    padding: 14px 18px;
    border-radius: var(--cs-r-md);
    font-size: 15px;
}
.cs-form__msg--ok { background: rgba(79, 195, 176, .12); border: 1px solid var(--cs-accent-border); color: var(--cs-text-item); }
.cs-form__msg--err { background: rgba(210, 87, 75, .12); border: 1px solid rgba(210, 87, 75, .5); color: #F3B6B0; }
.cs-field-error { color: #F3B6B0; font-size: 12.5px; margin-top: 6px; display: none; }
.cs-field-error.is-visible { display: block; }

/* ── Чеклист ✓ ── */
.cs-checklist { display: grid; gap: 11px; font-size: 15px; color: #B9C7DC; }
.cs-checklist div { display: flex; gap: 12px; }
.cs-checklist span { color: var(--cs-accent); }

/* ── Аватар/фото-слот ── */
.cs-avatar {
    width: 64px;
    height: 64px;
    border-radius: var(--cs-r-xs);
    overflow: hidden;
    border: 1px solid var(--cs-btn-outline);
    background: linear-gradient(150deg, rgba(48, 69, 106, .9), rgba(20, 31, 54, .72));
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--cs-mono);
    font-size: 20px;
    color: var(--cs-accent);
    flex-shrink: 0;
}
.cs-avatar img { width: 100%; height: 100%; object-fit: cover; }

/* ── Логотип-плейсхолдер ── */
.cs-logo-slot {
    height: 72px;
    border: 1px solid var(--cs-light-line);
    border-radius: var(--cs-r-sm);
    background: #fff;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--cs-mono);
    font-size: 11px;
    letter-spacing: .1em;
    color: var(--cs-light-tag);
    transition: border-color .2s ease-out;
}
.cs-logo-slot:hover { border-color: var(--cs-light-accent); }
.cs-logo-slot img { max-height: 56px; width: auto; object-fit: contain; }

/* ── Статусні цифри ── */
.cs-stat-value {
    font-size: clamp(2rem, 3vw, 2.625rem);
    font-weight: 800;
    letter-spacing: -.03em;
    color: var(--cs-white);
    line-height: 1.05;
}