/* ===== СТИЛИ ГЕНЕРАТОРА QR КОДОВ ===== */

.qr-generator-container {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    max-width: 1000px;
    margin: 0 auto;
}

/* ===== ИНФОРМАЦИЯ О КУРСАХ В НАВБАРЕ ===== */

.exchange-rates {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    font-size: 0.875rem;
}

.rate-item {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.25rem 0.75rem;
    background-color: rgba(37, 99, 235, 0.1);
    border-radius: var(--border-radius);
}

.rate-item .currency {
    font-weight: var(--font-weight-semibold);
    color: var(--primary-color);
}

.rate-item .rate {
    font-family: 'Courier New', monospace;
    color: var(--text-primary);
    font-weight: var(--font-weight-medium);
}

/* ===== ФОРМА СОЗДАНИЯ QR КОДА ===== */

.qr-form-section {
    width: 100%;
}

.form-row {
    display: flex;
    gap: 1rem;
    align-items: flex-end;
}

.form-group-lg {
    flex: 1;
}

.form-group-lg label {
    font-size: 1.125rem;
    font-weight: var(--font-weight-semibold);
    margin-bottom: 0.75rem;
}

.input-group {
    display: flex;
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    overflow: hidden;
    transition: var(--transition);
}

.input-group:focus-within {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.input-amount {
    flex: 1;
    padding: 1rem 1.25rem;
    font-size: 1.5rem;
    font-weight: var(--font-weight-semibold);
    border: none;
    outline: none;
    background: transparent;
    text-align: right;
    font-family: 'Courier New', monospace;
}

.input-currency {
    padding: 1rem 1.25rem;
    font-size: 1.125rem;
    font-weight: var(--font-weight-semibold);
    border: none;
    border-left: 1px solid var(--border-color);
    outline: none;
    background: var(--surface-hover);
    color: var(--primary-color);
    cursor: pointer;
    min-width: 120px;
}

.input-currency:focus {
    background: var(--surface-color);
}

.input-currency-fixed {
    padding: 1rem 1.25rem;
    font-size: 1.125rem;
    font-weight: var(--font-weight-semibold);
    border-left: 1px solid var(--border-color);
    background: var(--surface-hover);
    color: var(--primary-color);
    min-width: 120px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.converted-amount {
    margin-top: 0.75rem;
    padding: 0.75rem 1rem;
    background-color: var(--surface-hover);
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.converted-amount .label {
    font-size: 0.875rem;
    color: var(--text-secondary);
    font-weight: var(--font-weight-medium);
}

.converted-amount .value {
    font-size: 1.125rem;
    font-weight: var(--font-weight-semibold);
    color: var(--text-primary);
    font-family: 'Courier New', monospace;
}

.converted-amount .rate {
    font-size: 0.75rem;
    color: var(--text-muted);
    font-family: 'Courier New', monospace;
}

/* Стили для других полей формы */
.qr-form-section textarea {
    resize: vertical;
    min-height: 80px;
    font-family: inherit;
}

.qr-form-section .btn-lg {
    width: 100%;
    padding: 1rem 2rem;
    font-size: 1.125rem;
    margin-top: 1rem;
}

/* ===== ОТОБРАЖЕНИЕ QR КОДА ===== */

.qr-display-section {
    width: 100%;
}

.qr-card {
    max-width: 600px;
    margin: 0 auto;
}

.qr-code-container {
    position: relative;
    text-align: center;
    margin-bottom: 2rem;
}

.qr-code-image {
    max-width: 300px;
    width: 100%;
    height: auto;
    border: 4px solid var(--surface-color);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
    background: white;
    padding: 1rem;
}

.qr-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(5, 150, 105, 0.95);
    border-radius: var(--border-radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    backdrop-filter: blur(4px);
    animation: overlayFadeIn 0.3s ease-out;
}

.overlay-content {
    text-align: center;
}

.overlay-content .status-icon {
    margin-bottom: 1rem;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.2));
}

.overlay-content .status-text {
    font-size: 1.5rem;
    font-weight: var(--font-weight-bold);
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

@keyframes overlayFadeIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* ===== ИНФОРМАЦИЯ О ПЛАТЕЖЕ ===== */

.payment-info {
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
}

.payment-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-color);
    background: var(--surface-hover);
}

.payment-header h3 {
    margin: 0;
    font-size: 1.125rem;
    color: var(--text-primary);
}

.payment-status .status-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    border-radius: 9999px;
    font-size: 0.875rem;
    font-weight: var(--font-weight-semibold);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.status-badge.pending {
    background: var(--warning-color);
    color: white;
    animation: pulse 2s ease-in-out infinite;
}

.status-badge.paid {
    background: var(--success-color);
    color: white;
}

.status-badge.failed {
    background: var(--error-color);
    color: white;
}

.status-badge.expired {
    background: var(--text-muted);
    color: white;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

.payment-details {
    padding: 1.5rem;
}

.detail-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--border-color);
}

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

.detail-row .label {
    font-weight: var(--font-weight-medium);
    color: var(--text-secondary);
}

.detail-row .value {
    font-weight: var(--font-weight-semibold);
    color: var(--text-primary);
    text-align: right;
    font-family: 'Courier New', monospace;
}

.detail-row .value .converted {
    display: block;
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-top: 0.25rem;
}

/* ===== ТАЙМЕР ===== */

.timer-container {
    padding: 1.5rem;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
    text-align: center;
}

.timer-label {
    font-size: 0.875rem;
    opacity: 0.9;
    margin-bottom: 0.5rem;
}

.timer {
    font-size: 2rem;
    font-weight: var(--font-weight-bold);
    font-family: 'Courier New', monospace;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.timer.warning {
    color: var(--warning-color);
    animation: timerWarning 1s ease-in-out infinite;
}

.timer.danger {
    color: var(--error-color);
    animation: timerDanger 0.5s ease-in-out infinite;
}

@keyframes timerWarning {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

@keyframes timerDanger {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

/* ===== ДЕЙСТВИЯ ===== */

.qr-actions {
    display: flex;
    gap: 1rem;
    padding: 1.5rem;
    background: var(--surface-hover);
    border-top: 1px solid var(--border-color);
}

/* ===== МОДАЛЬНЫЕ ОКНА ===== */

.modal-content {
    max-width: 500px;
}

.modal-body p {
    margin-bottom: 1rem;
    line-height: 1.6;
}

/* ===== АДАПТИВНОСТЬ ===== */

@media (max-width: 768px) {
    .qr-generator-container {
        gap: 1.5rem;
    }
    
    .exchange-rates {
        display: none;
    }
    
    .form-row {
        flex-direction: column;
        gap: 0;
    }
    
    .input-group {
        flex-direction: column;
        border-radius: var(--border-radius);
    }
    
    .input-amount {
        font-size: 1.25rem;
        padding: 0.875rem 1rem;
        text-align: center;
        border-bottom: 1px solid var(--border-color);
    }
    
    .input-currency {
        border-left: none;
        border-top: 1px solid var(--border-color);
        text-align: center;
    }
    
    .converted-amount {
        flex-direction: column;
        text-align: center;
        gap: 0.5rem;
    }
    
    .qr-code-image {
        max-width: 250px;
    }
    
    .timer {
        font-size: 1.5rem;
    }
    
    .qr-actions {
        flex-direction: column;
    }
    
    .detail-row {
        flex-direction: column;
        text-align: center;
        gap: 0.5rem;
    }
    
    .detail-row .value {
        text-align: center;
    }
}

@media (max-width: 480px) {
    .payment-header {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
    
    .qr-code-image {
        max-width: 200px;
    }
    
    .card-body {
        padding: 1rem;
    }
    
    .payment-details,
    .qr-actions,
    .timer-container {
        padding: 1rem;
    }
}

/* ===== ПЕЧАТЬ ===== */

@media print {
    .navbar,
    .qr-actions,
    .timer-container {
        display: none !important;
    }
    
    .qr-generator-container {
        max-width: none;
    }
    
    .qr-card {
        max-width: none;
        box-shadow: none;
        border: 1px solid #000;
    }
    
    .qr-code-image {
        max-width: 200px;
    }
    
    .payment-info {
        page-break-inside: avoid;
    }
    
    .detail-row .value {
        font-family: inherit;
    }
}

/* ===== СОСТОЯНИЯ ЗАГРУЗКИ ===== */

.qr-form-section.loading {
    pointer-events: none;
    opacity: 0.7;
}

.qr-form-section.loading .btn {
    position: relative;
    color: transparent;
}

.qr-form-section.loading .btn::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 1.5rem;
    height: 1.5rem;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top: 2px solid white;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

/* ===== АНИМАЦИИ ПОЯВЛЕНИЯ ===== */

.qr-display-section {
    animation: slideInUp 0.5s ease-out;
}

@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===== УЛУЧШЕННЫЕ СОСТОЯНИЯ ===== */

.input-amount:focus {
    background: rgba(37, 99, 235, 0.05);
}

.form-group.has-converted .converted-amount {
    animation: fadeIn 0.3s ease-out;
}

.qr-code-container:hover .qr-code-image {
    transform: scale(1.02);
    transition: var(--transition);
}