/* ============================================
   Хелатор v2.1 — Modern Glassmorphism UI
   ГОЛУБИКА PRO | https://golubika.pro
   ============================================ */

.golubika-chelator-wrap *,
.golubika-chelator-wrap *::before,
.golubika-chelator-wrap *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

.golubika-chelator-wrap {
    font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: #1f2937;
    font-size: 16px;
    max-width: 980px;
    margin: 24px auto;
    background: linear-gradient(145deg, #f0f4f8 0%, #e2e8f0 50%, #f0f4f8 100%);
    padding: 24px;
    border-radius: 28px;
    position: relative;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.08);
}

.golubika-chelator-wrap::before,
.golubika-chelator-wrap::after {
    content: '';
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.4;
    pointer-events: none;
    z-index: 0;
}

.golubika-chelator-wrap::before {
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(92, 107, 192, 0.15) 0%, transparent 70%);
    top: -10%;
    right: -15%;
}

.golubika-chelator-wrap::after {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(27, 94, 32, 0.1) 0%, transparent 70%);
    bottom: -10%;
    left: -10%;
}

.gc-header {
    background: linear-gradient(135deg, #14532d 0%, #166534 30%, #4d7c0f 100%);
    color: #fff;
    padding: 28px 32px;
    margin: -24px -24px 32px -24px;
    border-radius: 28px 28px 0 0;
    position: relative;
    z-index: 1;
    box-shadow: 0 10px 40px rgba(20, 83, 45, 0.25);
    overflow: hidden;
}

.gc-header::after {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 300px;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(99, 102, 241, 0.15));
    pointer-events: none;
}

.gc-header-inner {
    max-width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    position: relative;
    z-index: 2;
}

.gc-brand {
    display: flex;
    align-items: center;
    gap: 14px;
}

.gc-logo {
    width: 48px;
    height: 48px;
    flex-shrink: 0;
    filter: drop-shadow(0 2px 4px rgba(0,0,0,0.2));
}

.gc-brand-text h1 {
    font-size: 1.5rem;
    font-weight: 800;
    line-height: 1.2;
    letter-spacing: -0.02em;
    text-shadow: 0 2px 4px rgba(0,0,0,0.15);
}

.gc-pro {
    background: linear-gradient(135deg, #a5b4fc, #c7d2fe);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.gc-version {
    font-size: 0.85rem;
    opacity: 0.9;
    font-weight: 500;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.gc-header-actions {
    display: flex;
    align-items: center;
    gap: 20px;
}

.gc-link {
    font-size: 0.9rem;
    color: #fff;
    opacity: 0.9;
    text-decoration: none;
    font-weight: 500;
    padding: 8px 16px;
    border-radius: 50px;
    background: rgba(255,255,255,0.12);
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
}

.gc-link:hover {
    background: rgba(255,255,255,0.25);
    opacity: 1;
    transform: translateY(-1px);
}

.gc-btn-icon {
    font-size: 1.4rem;
    padding: 10px;
    background: rgba(255,255,255,0.15);
    backdrop-filter: blur(10px);
    border-radius: 50%;
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    border: 1px solid rgba(255,255,255,0.2);
    transition: all 0.3s ease;
    cursor: pointer;
}

.gc-btn-icon:hover {
    background: rgba(255,255,255,0.3);
    transform: rotate(30deg) scale(1.1);
}

.gc-card {
    background: rgba(255, 255, 255, 0.82);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid rgba(255, 255, 255, 0.7);
    border-radius: 20px;
    padding: 28px;
    margin-bottom: 24px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    z-index: 1;
}

.gc-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.1);
    border-color: rgba(255, 255, 255, 0.9);
}

.gc-card-title {
    font-size: 1.35rem;
    color: #14532d;
    margin-bottom: 24px;
    padding-bottom: 14px;
    border-bottom: 2px solid;
    border-image: linear-gradient(90deg, #14532d, #6366f1) 1;
    font-weight: 700;
    letter-spacing: -0.01em;
}

.gc-tabs {
    display: flex;
    gap: 6px;
    margin-bottom: 32px;
    padding: 6px;
    background: rgba(255, 255, 255, 0.6);
    backdrop-filter: blur(12px);
    border-radius: 50px;
    border: 1px solid rgba(255, 255, 255, 0.5);
    box-shadow: 0 4px 20px rgba(0,0,0,0.04);
    position: relative;
    z-index: 1;
    overflow-x: auto;
    scrollbar-width: none;
}

.gc-tabs::-webkit-scrollbar {
    display: none;
}

.gc-tab-btn {
    padding: 14px 28px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.95rem;
    white-space: nowrap;
    background: transparent;
    color: #64748b;
    border: none;
    cursor: pointer;
    transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    flex: 1;
    text-align: center;
}

.gc-tab-btn.active {
    background: linear-gradient(135deg, #14532d, #166534);
    color: #fff;
    box-shadow: 0 6px 20px rgba(22, 101, 52, 0.3);
    transform: scale(1.02);
}

.gc-tab-btn:not(.active):hover {
    background: rgba(255,255,255,0.5);
    color: #0f172a;
}

.gc-mode-panel { display: none; }
.gc-mode-panel.active { display: block; animation: gcFadeIn 0.5s ease; }

.gc-form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 20px;
}

.gc-form-grid {
    display: grid;
    gap: 20px;
    margin-bottom: 24px;
}

.gc-form-grid.gc-cols-2 {
    grid-template-columns: repeat(2, 1fr);
}

.gc-form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.gc-form-group label {
    font-weight: 600;
    font-size: 0.9rem;
    color: #0f172a;
    letter-spacing: 0.01em;
}

.gc-form-control {
    padding: 14px 18px;
    border: 2px solid #e2e8f0;
    border-radius: 14px;
    background: #ffffff;
    font-size: 1rem;
    width: 100%;
    color: #0f172a;
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: inset 0 2px 4px rgba(0,0,0,0.02);
}

.gc-form-control:focus {
    outline: none;
    border-color: #6366f1;
    box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.1), inset 0 2px 4px rgba(0,0,0,0.02);
    transform: translateY(-2px);
}

.gc-form-control::placeholder {
    color: #94a3b8;
}

.gc-hint {
    font-size: 0.8rem;
    color: #64748b;
    font-weight: 500;
    margin-top: 2px;
}

.gc-input-group {
    display: flex;
    gap: 8px;
}

.gc-input-group .gc-form-control:first-child { flex: 1; }
.gc-input-group .gc-form-control:last-child { width: 100px; flex-shrink: 0; }

.gc-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 10px 20px;
    border-radius: 14px;
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.gc-btn:active { transform: scale(0.97); }

.gc-btn-primary {
    background: linear-gradient(135deg, #14532d, #166534);
    color: #fff;
    width: 100%;
    padding: 18px;
    font-size: 1.15rem;
    font-weight: 700;
    margin-top: 8px;
    border-radius: 16px;
    box-shadow: 0 8px 25px rgba(20, 83, 45, 0.3);
    letter-spacing: 0.02em;
}

.gc-btn-primary::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s ease;
}

.gc-btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 35px rgba(20, 83, 45, 0.4);
}

.gc-btn-primary:hover::after {
    left: 100%;
}

.gc-btn-secondary {
    background: rgba(255, 255, 255, 0.8);
    color: #0f172a;
    border: 1px solid #e2e8f0;
    font-size: 0.85rem;
    backdrop-filter: blur(10px);
    padding: 10px 18px;
}

.gc-btn-secondary:hover {
    background: #fff;
    border-color: #6366f1;
    color: #6366f1;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.15);
}

.gc-btn-chip {
    padding: 10px 14px;
    border: 2px solid #e2e8f0;
    border-radius: 12px;
    font-size: 0.9rem;
    background: #fff;
    cursor: pointer;
    font-weight: 600;
    color: #64748b;
    transition: all 0.2s ease;
}

.gc-btn-chip.active {
    background: linear-gradient(135deg, #6366f1, #818cf8);
    color: #fff;
    border-color: transparent;
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.3);
    transform: scale(1.05);
}

.gc-btn-chip:not(.active):hover {
    border-color: #6366f1;
    color: #6366f1;
    transform: translateY(-2px);
}

.gc-btn-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
}

.gc-alert {
    padding: 16px 20px;
    border-radius: 14px;
    margin-bottom: 20px;
    font-weight: 600;
    font-size: 0.95rem;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.5);
    animation: gcSlideDown 0.4s ease;
}

.gc-alert-success { 
    background: linear-gradient(135deg, rgba(220, 252, 231, 0.9), rgba(187, 247, 208, 0.8)); 
    color: #14532d; 
    border-left: 4px solid #22c55e;
}

.gc-alert-danger { 
    background: linear-gradient(135deg, rgba(254, 226, 226, 0.9), rgba(254, 202, 202, 0.8)); 
    color: #991b1b; 
    border-left: 4px solid #ef4444;
}

.gc-alert-warning { 
    background: linear-gradient(135deg, rgba(255, 237, 213, 0.9), rgba(254, 215, 170, 0.8)); 
    color: #7c2d12; 
    border-left: 4px solid #f97316;
}

.gc-info-panel {
    background: rgba(241, 245, 249, 0.8);
    backdrop-filter: blur(10px);
    border-radius: 14px;
    padding: 24px;
    margin-top: 20px;
    border: 1px solid rgba(255,255,255,0.6);
}

.gc-info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 12px;
    font-size: 0.9rem;
    color: #64748b;
}

.gc-info-grid strong { 
    color: #14532d; 
    font-weight: 700;
}

.gc-badge {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 700;
    margin-right: 6px;
    margin-bottom: 4px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.5);
}

.gc-badge-russia { 
    background: linear-gradient(135deg, #dbeafe, #bfdbfe); 
    color: #1e40af; 
}

.gc-badge-import { 
    background: linear-gradient(135deg, #ffedd5, #fed7aa); 
    color: #9a3412; 
}

.gc-results { 
    margin-top: 28px; 
}

.gc-result-block {
    border-radius: 18px;
    padding: 24px;
    margin-bottom: 20px;
    border-left: 5px solid;
    backdrop-filter: blur(12px);
    transition: all 0.3s ease;
    animation: gcSlideUp 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.gc-result-block:hover {
    transform: translateX(4px);
}

.gc-result-green { 
    background: linear-gradient(135deg, rgba(220, 252, 231, 0.85), rgba(187, 247, 208, 0.7)); 
    border-color: #22c55e; 
}

.gc-result-blue { 
    background: linear-gradient(135deg, rgba(224, 242, 254, 0.85), rgba(186, 230, 253, 0.7)); 
    border-color: #0ea5e9; 
}

.gc-result-orange { 
    background: linear-gradient(135deg, rgba(255, 237, 213, 0.85), rgba(254, 215, 170, 0.7)); 
    border-color: #f97316; 
}

.gc-result-red { 
    background: linear-gradient(135deg, rgba(254, 226, 226, 0.85), rgba(254, 202, 202, 0.7)); 
    border-color: #ef4444; 
}

.gc-result-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
}

.gc-result-item {
    display: flex;
    flex-direction: column;
    padding: 16px;
    background: rgba(255,255,255,0.6);
    border-radius: 12px;
    backdrop-filter: blur(8px);
    border: 1px solid rgba(255,255,255,0.5);
    transition: all 0.2s ease;
}

.gc-result-item:hover {
    background: rgba(255,255,255,0.9);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.05);
}

.gc-result-label {
    font-size: 0.8rem;
    color: #64748b;
    margin-bottom: 6px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.gc-result-value {
    font-size: 1.35rem;
    font-weight: 800;
    color: #0f172a;
    letter-spacing: -0.02em;
}

.gc-result-unit {
    font-size: 0.85rem;
    color: #64748b;
    font-weight: 500;
    margin-left: 4px;
}

.gc-explanation {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.6);
    border-radius: 14px;
    padding: 24px;
    margin-top: 20px;
    font-size: 0.9rem;
    color: #64748b;
    line-height: 1.7;
}

.gc-explanation h4 {
    color: #14532d;
    margin-bottom: 12px;
    font-size: 1.1rem;
    font-weight: 700;
}

.gc-explanation p { 
    margin-bottom: 10px; 
}

.gc-explanation ul { 
    list-style: disc; 
    padding-left: 24px; 
    margin-top: 8px;
}

.gc-explanation li { 
    margin-bottom: 6px; 
}

.gc-footer {
    background: linear-gradient(135deg, #0f172a, #1e293b);
    color: #94a3b8;
    padding: 32px;
    text-align: center;
    border-radius: 0 0 28px 28px;
    margin: 24px -24px -24px -24px;
    position: relative;
    z-index: 1;
}

.gc-disclaimer {
    font-size: 0.9rem;
    margin-bottom: 10px;
    color: #cbd5e1;
}

.gc-disclaimer a {
    color: #a5b4fc;
    text-decoration: none;
    font-weight: 600;
}

.gc-license {
    font-size: 0.8rem;
    opacity: 0.7;
}

.gc-modal {
    position: fixed;
    inset: 0;
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.gc-modal.hidden { display: none !important; }

.gc-modal-overlay {
    position: absolute;
    inset: 0;
    background: rgba(15, 23, 42, 0.6);
    backdrop-filter: blur(4px);
}

.gc-modal-content {
    position: relative;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(24px);
    border-radius: 28px;
    width: 100%;
    max-width: 720px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 25px 60px rgba(0,0,0,0.2);
    display: flex;
    flex-direction: column;
    border: 1px solid rgba(255,255,255,0.7);
    animation: gcScaleIn 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.gc-modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 24px 32px;
    border-bottom: 1px solid #e2e8f0;
    position: sticky;
    top: 0;
    background: rgba(255,255,255,0.9);
    backdrop-filter: blur(16px);
    z-index: 2;
    border-radius: 28px 28px 0 0;
}

.gc-modal-header h2 {
    font-size: 1.25rem;
    color: #14532d;
    font-weight: 700;
}

.gc-btn-close {
    font-size: 1.8rem;
    line-height: 1;
    color: #64748b;
    background: rgba(241, 245, 249, 0.8);
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
}

.gc-btn-close:hover {
    background: #fee2e2;
    color: #dc2626;
    transform: rotate(90deg);
}

.gc-modal-body {
    padding: 32px;
    overflow-y: auto;
}

.gc-modal-footer {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    padding: 20px 32px;
    border-top: 1px solid #e2e8f0;
    position: sticky;
    bottom: 0;
    background: rgba(255,255,255,0.9);
    backdrop-filter: blur(16px);
    border-radius: 0 0 28px 28px;
}

.gc-settings-group {
    margin-bottom: 28px;
    border: 1px solid #e2e8f0;
    border-radius: 16px;
    overflow: hidden;
    background: rgba(255,255,255,0.6);
    backdrop-filter: blur(8px);
}

.gc-settings-group-title {
    background: linear-gradient(135deg, #f1f5f9, #e2e8f0);
    padding: 14px 20px;
    font-weight: 700;
    color: #14532d;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.gc-settings-row {
    display: grid;
    grid-template-columns: 1fr 120px 100px auto;
    gap: 12px;
    align-items: center;
    padding: 12px 20px;
    border-bottom: 1px solid #f1f5f9;
}

.gc-settings-row:last-child { border-bottom: none; }

.gc-settings-row label {
    font-size: 0.9rem;
    font-weight: 600;
    color: #0f172a;
}

.gc-settings-input {
    padding: 8px 12px;
    border: 2px solid #e2e8f0;
    border-radius: 10px;
    font-size: 0.9rem;
    width: 100%;
    transition: all 0.2s ease;
}

.gc-settings-input:focus {
    outline: none;
    border-color: #6366f1;
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.gc-warning-text {
    color: #dc2626;
    font-weight: 700;
    font-size: 0.85rem;
    animation: gcPulse 2s infinite;
}

.hidden { display: none !important; }

@keyframes gcFadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes gcSlideUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes gcSlideDown {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes gcScaleIn {
    from { opacity: 0; transform: scale(0.95); }
    to { opacity: 1; transform: scale(1); }
}

@keyframes gcPulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

@media (max-width: 640px) {
    .golubika-chelator-wrap {
        padding: 16px;
        margin: 12px;
        border-radius: 20px;
    }
    
    .gc-header {
        padding: 20px 24px;
        margin: -16px -16px 24px -16px;
        border-radius: 20px 20px 0 0;
    }
    
    .gc-brand-text h1 {
        font-size: 1.2rem;
    }
    
    .gc-form-row,
    .gc-form-grid.gc-cols-2 {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    
    .gc-tabs {
        gap: 4px;
        padding: 4px;
    }
    
    .gc-tab-btn {
        padding: 10px 16px;
        font-size: 0.8rem;
    }
    
    .gc-result-grid {
        grid-template-columns: 1fr;
    }
    
    .gc-modal-content {
        border-radius: 20px;
        max-height: 95vh;
    }
    
    .gc-modal-header,
    .gc-modal-body,
    .gc-modal-footer {
        padding: 20px 24px;
    }
    
    .gc-settings-row {
        grid-template-columns: 1fr 100px 80px auto;
        gap: 8px;
    }
    
    .gc-btn-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .gc-card {
        padding: 20px;
    }
    
    .gc-footer {
        margin: 20px -16px -16px -16px;
        padding: 24px;
    }
}

@media print {
    .gc-header, .gc-tabs, .gc-btn, .gc-footer, .gc-modal {
        display: none !important;
    }
    .gc-mode-panel {
        display: block !important;
    }
    .gc-card {
        box-shadow: none;
        border: 1px solid #ddd;
        break-inside: avoid;
    }
}

/* ═══════════════════════════════════════════════════════════
   ИНФОБЛОКИ-СПРАВКИ (добавлено в v2.3)
   ═══════════════════════════════════════════════════════════ */

.gc-help-farmer {
    grid-column: 1 / -1;
}

.gc-info-banner {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    padding: 20px 24px;
    background: linear-gradient(135deg, rgba(20, 83, 45, 0.06), rgba(99, 102, 241, 0.06));
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0.7);
    border-left: 4px solid #14532d;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.04);
    transition: all 0.3s ease;
}

.gc-info-banner:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
    border-left-color: #6366f1;
}

.gc-info-icon {
    font-size: 1.6rem;
    line-height: 1;
    flex-shrink: 0;
    margin-top: 2px;
}

.gc-info-text {
    font-size: 0.95rem;
    color: #0f172a;
    line-height: 1.7;
    font-weight: 500;
}

.gc-info-text strong {
    color: #14532d;
    font-weight: 700;
    display: block;
    margin-bottom: 6px;
    font-size: 1.05rem;
}

.gc-info-small {
    font-size: 0.88rem;
    color: #475569;
    display: block;
    margin-top: 8px;
    line-height: 1.65;
    font-weight: 500;
}

.gc-info-small b {
    color: #14532d;
    font-weight: 700;
}

/* ═══════════════════════════════════════════════════════════
   ГОЛУБИКА PRO Хелатор v2.3 — Дополнения
   Accessibility | Состояния | Анимации | Адаптив | Print | a11y
   ═══════════════════════════════════════════════════════════ */

/* ── 1. Accessibility (WCAG 2.1 AA) ── */
.gc-form-control:focus-visible,
.gc-btn:focus-visible,
.gc-tab-btn:focus-visible,
.gc-btn-chip:focus-visible {
    outline: 3px solid #6366f1;
    outline-offset: 2px;
    box-shadow: 0 0 0 6px rgba(99, 102, 241, 0.15);
}

.gc-btn-primary:focus-visible {
    outline-color: #14532d;
    box-shadow: 0 0 0 6px rgba(20, 83, 45, 0.2);
}

.gc-skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: #14532d;
    color: #fff;
    padding: 8px 16px;
    z-index: 10000;
    border-radius: 0 0 8px 0;
    font-weight: 700;
    text-decoration: none;
    transition: top 0.2s ease;
}

.gc-skip-link:focus {
    top: 0;
}

/* ── 2. Состояния элементов ── */
/* Loading */
.gc-btn-primary.gc-loading {
    pointer-events: none;
    opacity: 0.85;
    position: relative;
    overflow: hidden;
}

.gc-btn-primary.gc-loading::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin: -10px 0 0 -10px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: #fff;
    border-radius: 50%;
    animation: gcSpin 0.8s linear infinite;
}

/* Disabled */
.gc-form-control:disabled,
.gc-btn:disabled,
.gc-btn-chip:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    filter: grayscale(0.6);
}

.gc-btn-primary:disabled {
    background: linear-gradient(135deg, #9ca3af, #6b7280);
    box-shadow: none;
    transform: none;
}

/* Invalid */
.gc-form-control.gc-invalid {
    border-color: #ef4444;
    box-shadow: 0 0 0 4px rgba(239, 68, 68, 0.1);
    animation: gcShake 0.4s ease;
}

/* ── 3. Анимации и hover-эффекты ── */
/* position: relative для табов (нужно для индикатора ::before) */
.gc-tab-btn {
    position: relative;
}

/* Точка-индикатор под активным табом */
.gc-tab-btn.active::before {
    content: '';
    position: absolute;
    bottom: -6px;
    left: 50%;
    transform: translateX(-50%);
    width: 6px;
    height: 6px;
    background: #fff;
    border-radius: 50%;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

/* Shimmer — обновлённые параметры v2.3 */
.gc-btn-primary::after {
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.25), transparent);
    transition: left 0.6s ease;
}

/* Fade-in для результатов */
.gc-results {
    animation: gcFadeInUp 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Hover карточек результатов — усиленный v2.3 */
.gc-result-item {
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

.gc-result-item:hover {
    background: rgba(255, 255, 255, 0.95);
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
}

/* ── 4. Адаптивность ── */
/* Планшет (641–1024px) */
@media (min-width: 641px) and (max-width: 1024px) {
    .gc-form-grid.gc-cols-2 {
        grid-template-columns: repeat(2, 1fr);
    }
    .gc-result-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .gc-tabs {
        gap: 8px;
        padding: 8px;
    }
    .gc-tab-btn {
        padding: 12px 20px;
        font-size: 0.9rem;
    }
    .gc-card {
        padding: 24px;
    }
}

/* Мобильные улучшения — дополняют существующий (max-width: 640px) */
@media (max-width: 640px) {
    .gc-form-control {
        font-size: 16px;
    }

    .gc-modal-content {
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        border-radius: 20px 20px 0 0;
        margin: 0;
        max-width: 100%;
    }

    .gc-info-banner {
        padding: 12px 16px;
        font-size: 0.85rem;
    }

    .gc-result-item {
        padding: 12px;
    }

    .gc-btn-primary {
        padding: 14px;
        font-size: 1rem;
    }
}

/* ── 5. Print-CSS (расширенный) ── */
@media print {
    .golubika-chelator-wrap,
    .gc-card,
    .gc-result-block,
    .gc-info-banner,
    .gc-form-control,
    .gc-btn,
    .gc-tab-btn {
        backdrop-filter: none !important;
        -webkit-backdrop-filter: none !important;
        box-shadow: none !important;
        background: #fff !important;
        color: #000 !important;
    }

    .gc-btn-primary {
        background: #fff !important;
        border: 2px solid #000 !important;
        color: #000 !important;
    }

    .gc-mode-panel {
        display: block !important;
        page-break-before: always;
    }

    .gc-mode-panel:first-of-type {
        page-break-before: auto;
    }

    .gc-tabs {
        display: flex !important;
    }

    .gc-result-item,
    .gc-result-block,
    .gc-card {
        page-break-inside: avoid;
        border: 1px solid #000 !important;
    }

    .gc-info-banner {
        border: 1px solid #000 !important;
        border-left: 3px solid #000 !important;
    }

    .gc-tab-btn.active {
        outline: 2px solid #000 !important;
        outline-offset: 2px !important;
    }

    .gc-tabs {
        border-bottom: 1px solid #000 !important;
    }

    .gc-skip-link,
    .gc-btn-primary::after {
        display: none !important;
    }
}

/* ── 6. Accessibility media queries ── */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    .gc-mode-panel.active,
    .gc-result-block,
    .gc-alert {
        animation: none;
    }

    .gc-btn-primary::after {
        display: none;
    }
}

@media (prefers-contrast: high) {
    .gc-form-control {
        border-width: 3px;
    }

    .gc-btn-primary {
        border: 3px solid #000;
    }

    .gc-tab-btn.active {
        outline: 3px solid #000;
        outline-offset: 2px;
    }

    .gc-result-block {
        border-width: 3px;
    }

    .gc-info-banner {
        border-width: 3px;
        border-left-width: 6px;
    }
}

/* ── Новые keyframes v2.3 ── */
@keyframes gcSpin {
    to {
        transform: rotate(360deg);
    }
}

@keyframes gcShake {
    0%, 100% {
        transform: translateX(0);
    }
    25% {
        transform: translateX(-4px);
    }
    75% {
        transform: translateX(4px);
    }
}

@keyframes gcFadeInUp {
    from {
        opacity: 0;
        transform: translateY(16px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}


/* ═══════════════════════════════════════════════════════════
   ГОЛУБИКА PRO v2.3 — Мобильный фикс (ширина экрана)
   Добавлено: убираем лишние отступы на телефоне
   ═══════════════════════════════════════════════════════════ */

@media (max-width: 640px) {
    /* Обёртка: минимальные отступы */
    .golubika-chelator-wrap {
        padding: 10px !important;
        margin: 0 auto !important;
        border-radius: 0 !important;
    }

    /* Шапка: убираем отрицательные margin, делаем компактной */
    .gc-header {
        padding: 16px 18px !important;
        margin: -10px -10px 18px -10px !important;
        border-radius: 0 !important;
    }

    /* Карточки: компактные */
    .gc-card {
        padding: 14px !important;
        border-radius: 12px !important;
        margin-bottom: 14px !important;
    }

    /* Поля ввода: полная ширина, компактные */
    .gc-form-control {
        padding: 12px 14px !important;
        font-size: 16px !important;
        border-radius: 10px !important;
    }

    /* Табы: ещё компактнее */
    .gc-tabs {
        gap: 4px !important;
        padding: 4px !important;
        border-radius: 12px !important;
    }

    .gc-tab-btn {
        padding: 8px 12px !important;
        font-size: 0.8rem !important;
        border-radius: 10px !important;
    }

    /* Кнопка рассчитать */
    .gc-btn-primary {
        padding: 14px !important;
        font-size: 1rem !important;
        border-radius: 12px !important;
    }

    /* Результаты */
    .gc-result-item {
        padding: 12px !important;
        border-radius: 10px !important;
    }

    .gc-result-value {
        font-size: 1.15rem !important;
    }

    /* Инфобаннеры */
    .gc-info-banner {
        padding: 12px 14px !important;
        border-radius: 10px !important;
    }

    .gc-info-text {
        font-size: 0.88rem !important;
        line-height: 1.6 !important;
    }

    .gc-info-icon {
        font-size: 1.3rem !important;
    }

    /* Футер */
    .gc-footer {
        margin: 16px -10px -10px -10px !important;
        padding: 20px !important;
        border-radius: 0 !important;
    }

    /* Модалка как bottom sheet */
    .gc-modal-content {
        position: fixed !important;
        bottom: 0 !important;
        left: 0 !important;
        right: 0 !important;
        border-radius: 16px 16px 0 0 !important;
        margin: 0 !important;
        padding: 20px !important;
        max-width: 100% !important;
    }

    .gc-modal-header,
    .gc-modal-body,
    .gc-modal-footer {
        padding: 16px 18px !important;
    }

    /* Заголовки */
    .gc-card-title {
        font-size: 1.15rem !important;
        margin-bottom: 16px !important;
        padding-bottom: 10px !important;
    }

    .gc-brand-text h1 {
        font-size: 1.15rem !important;
    }

    /* Чипы */
    .gc-btn-chip {
        padding: 8px 10px !important;
        font-size: 0.8rem !important;
    }

    /* Настройки */
    .gc-settings-row {
        grid-template-columns: 1fr 80px 60px auto !important;
        gap: 6px !important;
        padding: 10px 12px !important;
    }

    .gc-settings-input {
        padding: 6px 8px !important;
    }
}


/* ═══════════════════════════════════════════════════════════
   ГОЛУБИКА PRO v2.3 — Мобильный Fullscreen Overlay (исправлено)
   ═══════════════════════════════════════════════════════════ */

@media (max-width: 640px) {
    /* Fullscreen поверх страницы */
    .golubika-chelator-wrap.gc-mobile-fullscreen {
        position: fixed !important;
        inset: 0 !important;
        z-index: 99999 !important;
        margin: 0 !important;
        padding: 0 !important;
        border-radius: 0 !important;
        max-width: 100% !important;
        overflow-y: auto !important;
        -webkit-overflow-scrolling: touch !important;
        background: linear-gradient(145deg, #f0f4f8 0%, #e2e8f0 50%, #f0f4f8 100%) !important;
    }

    /* Отступ снизу, чтобы FAB не перекрывала контент */
    .gc-mobile-fullscreen .gc-card:last-of-type {
        margin-bottom: 80px !important;
    }

    /* Шапка: flex-раскладка с кнопкой назад */
    .gc-mobile-fullscreen .gc-header {
        border-radius: 0 !important;
        margin: 0 !important;
        padding: 16px 14px !important;
        position: sticky !important;
        top: 0 !important;
        z-index: 100 !important;
    }

    .gc-mobile-fullscreen .gc-header-inner {
        display: flex !important;
        align-items: center !important;
        justify-content: flex-start !important;
        gap: 12px !important;
        position: relative !important;
    }

    .gc-mobile-fullscreen .gc-header-actions {
        display: none !important;
    }

    .gc-mobile-fullscreen .gc-brand {
        flex: 1 !important;
        justify-content: center !important;
    }

    .gc-mobile-fullscreen .gc-brand-text h1 {
        font-size: 1.1rem !important;
    }

    .gc-mobile-fullscreen .gc-version {
        font-size: 0.75rem !important;
    }

    /* Кнопка "Назад" — белая, контрастная */
    .gc-mobile-back {
        display: inline-flex;
        align-items: center;
        gap: 4px;
        background: #fff;
        color: #14532d;
        border: none;
        padding: 8px 14px;
        border-radius: 10px;
        font-weight: 700;
        font-size: 0.85rem;
        cursor: pointer;
        box-shadow: 0 2px 8px rgba(0,0,0,0.15);
        transition: all 0.2s ease;
        flex-shrink: 0;
        white-space: nowrap;
    }
    .gc-mobile-back:active {
        transform: scale(0.95);
        background: #f0fdf4;
    }

    /* FAB "Обновить" — компактнее, выше */
    .gc-fab-refresh {
        position: fixed;
        bottom: 16px;
        right: 16px;
        width: 48px;
        height: 48px;
        border-radius: 50%;
        background: linear-gradient(135deg, #14532d, #166534);
        color: #fff;
        border: none;
        box-shadow: 0 4px 16px rgba(20,83,45,0.35);
        font-size: 1.2rem;
        cursor: pointer;
        z-index: 100000;
        display: flex;
        align-items: center;
        justify-content: center;
        transition: transform 0.2s ease;
    }
    .gc-fab-refresh:active {
        transform: scale(0.9);
    }
    .gc-fab-refresh.gc-spinning {
        animation: gcSpin 0.8s linear infinite;
    }

    /* Карточки компактнее */
    .gc-mobile-fullscreen .gc-card {
        margin: 10px 12px !important;
        padding: 16px !important;
        border-radius: 14px !important;
    }

    .gc-mobile-fullscreen .gc-card-title {
        font-size: 1.1rem !important;
        margin-bottom: 14px !important;
        padding-bottom: 10px !important;
    }

    /* Поля ввода */
    .gc-mobile-fullscreen .gc-form-control {
        padding: 12px 14px !important;
        font-size: 16px !important;
        border-radius: 10px !important;
    }

    /* Табы */
    .gc-mobile-fullscreen .gc-tabs {
        gap: 4px !important;
        padding: 4px !important;
        border-radius: 12px !important;
        margin: 0 12px 16px 12px !important;
    }
    .gc-mobile-fullscreen .gc-tab-btn {
        padding: 8px 10px !important;
        font-size: 0.8rem !important;
        border-radius: 10px !important;
    }

    /* Кнопка рассчитать */
    .gc-mobile-fullscreen .gc-btn-primary {
        padding: 14px !important;
        font-size: 1rem !important;
    }

    /* Результаты */
    .gc-mobile-fullscreen .gc-result-item {
        padding: 12px !important;
    }
    .gc-mobile-fullscreen .gc-result-value {
        font-size: 1.1rem !important;
    }

    /* Инфобаннеры */
    .gc-mobile-fullscreen .gc-info-banner {
        padding: 12px 14px !important;
        margin: 0 12px 16px 12px !important;
    }
    .gc-mobile-fullscreen .gc-info-text {
        font-size: 0.88rem !important;
    }

    /* Футер с отступом */
    .gc-mobile-fullscreen .gc-footer {
        margin: 16px 0 0 0 !important;
        padding: 20px !important;
        border-radius: 0 !important;
    }
}