/* ═══════════════════════════════════════════════
   UI_BUTTON — универсальный атом кнопки
   ═══════════════════════════════════════════════ */

/* ── Контейнер style="buttons" (чистый, без block-content обёрток) ── */
.ui-btn-bar {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    padding: 6px 24px;
    align-items: center;
}
.ui-btn-bar__title {
    width: 100%;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted, #94a3b8);
    margin-bottom: 2px;
}

/* Card-like appearance when btn-bar has a title */
.ui-btn-bar:has(.ui-btn-bar__title) {
    background: var(--card-bg, #fff);
    border-radius: var(--radius-card, 16px);
    box-shadow: var(--card-shadow, 0 1px 4px rgba(0,0,0,0.06));
    border: 1px solid var(--card-border, #e2e8f0);
    padding: 14px 16px;
    margin-bottom: 16px;
    justify-content: space-between;
}

/* ── Базовый контейнер ── */
.ui-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    border: none;
    cursor: pointer;
    font-family: var(--font-family, 'Inter', sans-serif);
    font-weight: 600;
    line-height: 1;
    white-space: nowrap;
    transition: background 0.15s, border-color 0.15s, opacity 0.15s, box-shadow 0.15s;
    position: relative;
    -webkit-tap-highlight-color: transparent;
    user-select: none;
}
.ui-btn:active { transform: scale(0.97); }
.ui-btn[disabled] { opacity: 0.45; pointer-events: none; }

/* Внутри button_group — кнопки по размеру контента, wrap сам */
.v2-button-group .ui-btn {
    flex: 0 1 auto;
    justify-content: center;
    white-space: nowrap;
}

/* ── Sizes ── */
.ui-btn--sm  { height: 28px; font-size: 12px; padding: 0 10px; border-radius: 6px; }
.ui-btn--md  { height: 36px; font-size: 13px; padding: 0 14px; border-radius: 8px; }
.ui-btn--lg  { height: 44px; font-size: 15px; padding: 0 20px; border-radius: 10px; }

/* ── Full width ── */
.ui-btn--full { width: 100%; justify-content: center; }

/* ── Active state (визуально «нажата» — заливка navy) ── */
.ui-btn--active {
    background: var(--bg-piaNavy, #1e293b) !important;
    color: #fff !important;
    border-color: var(--bg-piaNavy, #1e293b) !important;
}

/* ═══ VARIANT: filled ═══ */
.ui-btn--filled              { color: #fff; }
.ui-btn--filled.ui-btn--navy    { background: var(--bg-piaNavy, #1e293b); }
.ui-btn--filled.ui-btn--navy:hover { background: #334155; }
.ui-btn--filled.ui-btn--gold    { background: var(--bg-piaGold, #d4a843); }
.ui-btn--filled.ui-btn--gold:hover { background: #c29b3a; }
.ui-btn--filled.ui-btn--danger  { background: #ef4444; }
.ui-btn--filled.ui-btn--danger:hover { background: #dc2626; }
.ui-btn--filled.ui-btn--success { background: #10b981; }
.ui-btn--filled.ui-btn--success:hover { background: #059669; }
.ui-btn--filled.ui-btn--muted   { background: #94a3b8; }
.ui-btn--filled.ui-btn--muted:hover { background: #64748b; }

/* ═══ VARIANT: outline ═══ */
.ui-btn--outline                { background: transparent; }
.ui-btn--outline.ui-btn--navy   { border: 1.5px solid var(--bg-piaNavy, #1e293b); color: var(--bg-piaNavy, #1e293b); }
.ui-btn--outline.ui-btn--navy:hover { background: rgba(30,41,59,0.06); }
.ui-btn--outline.ui-btn--gold   { border: 1.5px solid var(--bg-piaGold, #d4a843); color: var(--bg-piaGold, #d4a843); }
.ui-btn--outline.ui-btn--gold:hover { background: rgba(212,168,67,0.06); }
.ui-btn--outline.ui-btn--danger { border: 1.5px solid #ef4444; color: #ef4444; }
.ui-btn--outline.ui-btn--muted  { border: 1.5px solid #cbd5e1; color: #64748b; }
.ui-btn--outline.ui-btn--muted:hover { background: rgba(100,116,139,0.06); }
.ui-btn--outline.ui-btn--success { border: 1.5px solid #10b981; color: #10b981; }

/* ═══ VARIANT: ghost ═══ */
.ui-btn--ghost         { background: transparent; border: none; }
.ui-btn--ghost.ui-btn--navy  { color: var(--bg-piaNavy, #1e293b); }
.ui-btn--ghost.ui-btn--muted { color: #94a3b8; }
.ui-btn--ghost.ui-btn--gold  { color: var(--bg-piaGold, #d4a843); }
.ui-btn--ghost.ui-btn--danger { color: #ef4444; }
.ui-btn--ghost:hover   { background: rgba(0,0,0,0.04); }

/* ═══ VARIANT: pill ═══ */
.ui-btn--pill              { border-radius: 999px; }
.ui-btn--pill.ui-btn--navy    { background: var(--bg-piaNavy, #1e293b); color: #fff; }
.ui-btn--pill.ui-btn--navy:hover { background: #334155; }
.ui-btn--pill.ui-btn--gold    { background: var(--bg-piaGold, #d4a843); color: #1e293b; }
.ui-btn--pill.ui-btn--gold:hover { background: #c29b3a; }
.ui-btn--pill.ui-btn--muted   { background: #f1f5f9; color: #64748b; border: 1px solid #e2e8f0; }
.ui-btn--pill.ui-btn--muted:hover { background: #e2e8f0; }

/* ── Badge ── */
.ui-btn__badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 18px;
    height: 18px;
    padding: 0 5px;
    border-radius: 999px;
    font-size: 11px;
    font-weight: 700;
    line-height: 1;
}
/* Bigger badge for md buttons */
.ui-btn--md .ui-btn__badge {
    min-width: 22px;
    height: 22px;
    padding: 0 6px;
    font-size: 12px;
}
/* Badge colors depend on button variant */
.ui-btn--filled .ui-btn__badge   { background: rgba(255,255,255,0.25); color: #fff; }
.ui-btn--outline .ui-btn__badge  { color: #fff; }
.ui-btn--outline.ui-btn--navy .ui-btn__badge  { background: var(--bg-piaNavy, #1e293b); }
.ui-btn--outline.ui-btn--muted .ui-btn__badge { background: #64748b; }
.ui-btn--outline.ui-btn--gold .ui-btn__badge  { background: var(--bg-piaGold, #d4a843); }
.ui-btn--outline.ui-btn--danger .ui-btn__badge { background: #ef4444; }
.ui-btn--outline.ui-btn--success .ui-btn__badge { background: #10b981; }
.ui-btn--ghost .ui-btn__badge    { background: #e2e8f0; color: #475569; }
.ui-btn--pill .ui-btn__badge     { background: rgba(255,255,255,0.25); color: #fff; }
.ui-btn--pill.ui-btn--muted .ui-btn__badge { background: var(--bg-piaNavy, #1e293b); color: #fff; }
/* Active кнопка: бейдж с полупрозрачным фоном */
.ui-btn--active .ui-btn__badge { background: rgba(255,255,255,0.25); color: #fff; }

/* ── Icon ── */
.ui-btn__icon { font-size: 0.9em; }
.ui-btn__chevron { font-size: 0.7em; margin-left: 2px; opacity: 0.7; transition: transform 0.2s; }
.ui-btn.ui-btn--dropdown-open .ui-btn__chevron { transform: rotate(180deg); }

/* ═══ DROPDOWN (body-level popup) ═══ */
.ui-dropdown-overlay {
    position: fixed;
    inset: 0;
    z-index: 9998;
    background: transparent;
}
.ui-dropdown {
    position: fixed;
    z-index: 9999;
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 8px 30px rgba(0,0,0,0.12), 0 2px 8px rgba(0,0,0,0.06);
    padding: 6px 0;
    min-width: 180px;
    max-width: 300px;
    animation: ui-dropdown-in 0.15s ease-out;
}
@keyframes ui-dropdown-in {
    from { opacity: 0; transform: translateY(-4px); }
    to   { opacity: 1; transform: translateY(0); }
}

.ui-dropdown__item {
    display: flex;
    align-items: center;
    gap: 8px;
    width: 100%;
    padding: 10px 16px;
    border: none;
    background: none;
    cursor: pointer;
    font-size: 14px;
    font-family: inherit;
    color: #1e293b;
    transition: background 0.1s;
    text-align: left;
}
.ui-dropdown__item:hover { background: #f1f5f9; }
.ui-dropdown__item-icon { font-size: 13px; color: #64748b; width: 16px; text-align: center; }
.ui-dropdown__item-text { flex: 1; }
.ui-dropdown__item-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 20px;
    height: 20px;
    padding: 0 6px;
    border-radius: 999px;
    font-size: 11px;
    font-weight: 700;
    background: #f1f5f9;
    color: #475569;
}
.ui-dropdown__item-badge--active {
    background: var(--bg-piaGold, #d4a843);
    color: #fff;
}
.ui-dropdown__divider {
    height: 1px;
    background: #e2e8f0;
    margin: 4px 0;
}