/**
 * Add Product Modal Stylesheet
 * Matches the existing upload popup styling for consistency
 */

/* ==================== ADD PRODUCT POPUP BACKDROP ==================== */
#addProductPopup {
    /* CSS Variables (scoped to popup) */
    --color-primary: #2d8998;
    --color-primary-dark: #246b78;
    --color-primary-light: #e3f2fd;
    --color-primary-darker: #105c74;
    --color-primary-darkest: #0d4a5e;
    --color-success: #4caf50;
    --color-error: #e74c3c;
    --color-warning: #f57f17;
    --color-info: #2196f3;
    --color-text-primary: #2c3e50;
    --color-text-secondary: #34495e;
    --color-text-muted: #7f8c8d;
    --color-text-disabled: #95a5a6;
    --color-text-light: #555;
    --bg-card: #ffffff;
    --bg-input: #f8f9fa;
    --bg-input-disabled: #ecf0f1;
    --bg-hover: #f0f7ff;
    --border-light: #e8ecef;
    --border-medium: #b0bec5;
    --border-focus: #36a4b5;
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.1);
    --shadow-md: 0 2px 8px rgba(0,0,0,0.08);
    --shadow-lg: 0 6px 20px rgba(30, 136, 229, 0.4);
    --shadow-xl: 0 10px 40px rgba(0,0,0,0.3);
    --shadow-focus-glow: 0 4px 20px rgba(45, 137, 152, 0.4), 0 0 0 2px rgba(45, 137, 152, 0.2);
    --transition-base: all 0.3s ease;
    --transition-fast: all 0.2s ease;
    --radius-sm: 6px;
    --radius-md: 8px;
    --radius-lg: 10px;
    --radius-xl: 12px;
    --radius-2xl: 1.25rem;

    /* Popup backdrop styles */
    display: none;
    position: fixed;
    z-index: 2000;
    inset: 0;
    background: rgba(0, 0, 0, 0.35);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    overflow-y: auto;
    overflow-x: hidden;
    scrollbar-width: none;
    -ms-overflow-style: none;
}

#addProductPopup::-webkit-scrollbar {
    display: none;
}

#addProductPopup .popup-content {
    width: min(100%, 1000px);
    margin: 2rem auto 2rem auto;
    padding: 0 1rem;
    max-height: calc(100vh - 4rem);
    display: flex;
    flex-direction: column;
}

/* ==================== FORM CONTAINER ==================== */
#addProductPopup .add-product-form {
    border: 1px solid var(--color-border, #dddfe0);
    border-radius: 1.25rem;
    background-image: url("../../images/bg_noise.webp"), linear-gradient(180deg, var(--color-bg-gradient-top, #f8f8f7), var(--color-bg-gradient-bottom, #f1f0ee));
    background-position: 0 0, 0 0;
    background-size: auto, auto;
    box-shadow: var(--shadow-md);
    display: flex;
    flex-direction: column;
    max-height: calc(100vh - 4rem);
    overflow: hidden;
}

/* ==================== POPUP HEADER ==================== */
#addProductPopup .popup-header {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 1.25rem 2rem;
    border-bottom: 1px solid var(--border-light, #e8ecef);
    background-color: white;
    flex-shrink: 0;
    border-radius: 1.25rem 1.25rem 0 0;
    position: relative;
    z-index: 10;
}

#addProductPopup .popup-header h2 {
    margin: 0;
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-text-primary, #2c3e50);
}

/* ==================== POPUP BODY (SCROLLABLE) ==================== */
#addProductPopup .popup-body {
    flex: 1;
    overflow-y: auto;
    overflow-x: hidden;
    padding: 2rem;
    scrollbar-width: thin;
    scrollbar-color: #cbd5e1 transparent;
    position: relative;
    z-index: 1;
}

#addProductPopup .popup-body::-webkit-scrollbar {
    width: 8px;
}

#addProductPopup .popup-body::-webkit-scrollbar-track {
    background: transparent;
}

#addProductPopup .popup-body::-webkit-scrollbar-thumb {
    background: #cbd5e1;
    border-radius: 4px;
}

#addProductPopup .popup-body::-webkit-scrollbar-thumb:hover {
    background: #94a3b8;
}

/* ==================== POPUP FOOTER ==================== */
#addProductPopup .popup-footer {
    display: flex;
    flex-direction: column;
    gap: 12px;
    padding: 1.25rem 2rem;
    border-top: 1px solid var(--border-light, #e8ecef);
    background-color: white;
    flex-shrink: 0;
    border-radius: 0 0 1.25rem 1.25rem;
    position: relative;
    z-index: 10;
}

#addProductPopup .popup-footer-buttons {
    display: flex;
    gap: 12px;
    justify-content: flex-end;
}

#addProductPopup .popup-footer .submit-btn {
    width: auto;
    min-width: 160px;
    padding: 0 24px;
    height: 38px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    line-height: 1;
    background: var(--color-primary);
    color: #fff;
    border: none;
    border-radius: var(--radius-lg);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-fast);
}

#addProductPopup .popup-footer .submit-btn:hover {
    background: var(--color-primary-dark);
}

#addProductPopup .popup-footer .submit-btn:disabled {
    background: var(--color-text-disabled);
    cursor: not-allowed;
}

#addProductPopup .popup-footer .modal-btn-cancel {
    width: auto;
    min-width: 100px;
    padding: 12px 24px;
    border: 1px solid #dddfe0;
    background: #ecf0f1;
    color: #555;
    border-radius: var(--radius-md);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-fast);
}

#addProductPopup .popup-footer .modal-btn-cancel:hover {
    background: #bdc3c7;
}

/* ==================== FORM SECTIONS ==================== */
#addProductPopup .form-section {
    margin-bottom: 28px;
    padding: 20px;
    background: rgba(255, 255, 255, 0.7);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-light);
}

#addProductPopup .form-section:last-child {
    margin-bottom: 0;
}

#addProductPopup .form-section-title {
    font-size: 14px;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: 16px;
    padding-bottom: 8px;
    border-bottom: 2px solid var(--color-primary-light);
    display: flex;
    align-items: center;
    gap: 8px;
}

#addProductPopup .form-section-title svg {
    width: 18px;
    height: 18px;
    color: var(--color-primary);
}

/* ==================== FORM GROUPS ==================== */
#addProductPopup .form-group {
    margin-bottom: 18px;
}

#addProductPopup .form-group:last-child {
    margin-bottom: 0;
}

#addProductPopup .form-group label {
    display: block;
    margin-bottom: 6px;
    color: var(--color-text-secondary);
    font-weight: 600;
    font-size: 12px;
}

#addProductPopup .form-group label .required {
    color: var(--color-error);
    margin-left: 2px;
}

#addProductPopup .form-group input[type="text"],
#addProductPopup .form-group input[type="date"],
#addProductPopup .form-group input[type="datetime-local"],
#addProductPopup .form-group select,
#addProductPopup .form-group textarea {
    width: 100%;
    padding: 12px 14px;
    border: 2px solid var(--border-light);
    border-radius: var(--radius-md);
    font-size: 13px;
    background: var(--bg-input);
    color: var(--color-text-primary);
    box-sizing: border-box;
    transition: var(--transition-fast);
    font-family: inherit;
}

#addProductPopup .form-group input[type="text"]:focus,
#addProductPopup .form-group input[type="date"]:focus,
#addProductPopup .form-group input[type="datetime-local"]:focus,
#addProductPopup .form-group select:focus,
#addProductPopup .form-group textarea:focus {
    outline: none;
    box-shadow: var(--shadow-focus-glow);
    border-color: transparent;
}

#addProductPopup .form-group input[type="text"]::placeholder,
#addProductPopup .form-group textarea::placeholder {
    color: var(--color-text-muted);
    opacity: 0.7;
}

#addProductPopup .form-group input[type="text"]:disabled,
#addProductPopup .form-group select:disabled {
    background: var(--bg-input-disabled);
    cursor: not-allowed;
    opacity: 0.7;
}

/* ==================== FORM ROWS (GRID) ==================== */
#addProductPopup .form-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

#addProductPopup .form-row-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}

#addProductPopup .form-row-4 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
}

#addProductPopup .form-row > .form-group,
#addProductPopup .form-row-2 > .form-group,
#addProductPopup .form-row-4 > .form-group {
    margin-bottom: 0;
}

/* ==================== CHECKBOX GROUP ==================== */
#addProductPopup .checkbox-group {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    padding: 12px 0;
}

#addProductPopup .checkbox-item {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
}

#addProductPopup .checkbox-item input[type="checkbox"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    border: 2px solid var(--border-light);
    border-radius: 4px;
    background-color: var(--bg-input);
    position: relative;
    transition: all 0.2s ease;
}

#addProductPopup .checkbox-item input[type="checkbox"]:checked {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
}

#addProductPopup .checkbox-item input[type="checkbox"]:checked::after {
    content: '✓';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: white;
    font-size: 12px;
    font-weight: bold;
}

#addProductPopup .checkbox-item input[type="checkbox"]:focus {
    outline: none;
    box-shadow: var(--shadow-focus-glow);
}

#addProductPopup .checkbox-item label {
    font-size: 12px;
    color: var(--color-text-secondary);
    cursor: pointer;
    margin-bottom: 0;
}

/* ==================== HINT TEXT ==================== */
#addProductPopup .hint {
    font-size: 10px;
    color: var(--color-text-disabled);
    margin-top: 4px;
}

#addProductPopup .hint.important {
    color: var(--color-primary);
    font-weight: 500;
}

#addProductPopup .hint.warning {
    color: var(--color-warning);
}

#addProductPopup .hint.error {
    color: var(--color-error);
}

/* ==================== SERIAL NUMBER VALIDATION ==================== */
#addProductPopup .serial-validation-status {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-top: 6px;
    font-size: 11px;
    min-height: 18px;
}

#addProductPopup .serial-validation-status.checking {
    color: var(--color-info);
}

#addProductPopup .serial-validation-status.valid {
    color: var(--color-success);
}

#addProductPopup .serial-validation-status.invalid {
    color: var(--color-error);
}

#addProductPopup .serial-validation-status .spinner {
    width: 12px;
    height: 12px;
    border: 2px solid var(--border-light);
    border-top-color: var(--color-info);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* ==================== DROPDOWN STYLING ==================== */
#addProductPopup select option {
    background: var(--bg-input);
    color: var(--color-text-primary);
    padding: 8px 12px;
}

#addProductPopup select option:hover,
#addProductPopup select option:focus,
#addProductPopup select option:checked {
    background: var(--color-primary) !important;
    color: white !important;
}

/* ==================== ERROR STATE ==================== */
#addProductPopup .form-group.has-error input,
#addProductPopup .form-group.has-error select {
    border-color: var(--color-error);
}

#addProductPopup .form-group.has-error label {
    color: var(--color-error);
}

/* ==================== SUCCESS MESSAGE ==================== */
#addProductPopup .success-message {
    display: none;
    text-align: center;
    padding: 40px;
}

#addProductPopup .success-message.show {
    display: block;
}

#addProductPopup .success-message .success-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    background: var(--color-success);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 40px;
}

#addProductPopup .success-message h3 {
    color: var(--color-success);
    margin-bottom: 10px;
}

#addProductPopup .success-message p {
    color: var(--color-text-secondary);
}

/* ==================== RESPONSIVE DESIGN ==================== */
@media (max-width: 900px) {
    #addProductPopup .form-row {
        grid-template-columns: repeat(2, 1fr);
    }
    
    #addProductPopup .form-row-4 {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    #addProductPopup .popup-content {
        margin: 1rem auto 1rem auto;
        padding: 0 0.5rem;
        max-height: calc(100vh - 2rem);
    }
    
    #addProductPopup .popup-header {
        padding: 1rem 1.25rem;
    }
    
    #addProductPopup .popup-header h2 {
        font-size: 1.1rem;
    }
    
    #addProductPopup .popup-body {
        padding: 1.25rem;
    }
    
    #addProductPopup .popup-footer {
        padding: 1rem 1.25rem;
    }
    
    #addProductPopup .popup-footer-buttons {
        flex-direction: column-reverse;
    }
    
    #addProductPopup .popup-footer .submit-btn,
    #addProductPopup .popup-footer .modal-btn-cancel {
        width: 100%;
        min-width: unset;
    }
    
    #addProductPopup .form-row,
    #addProductPopup .form-row-2,
    #addProductPopup .form-row-4 {
        grid-template-columns: 1fr;
    }
    
    #addProductPopup .checkbox-group {
        flex-direction: column;
        gap: 12px;
    }
}

/* ==================== DARK MODE ==================== */
@media (prefers-color-scheme: dark) {
    #addProductPopup {
        --color-text-primary: #e5e7eb;
        --color-text-secondary: #cbd5e1;
        --color-text-muted: #94a3b8;
        --color-text-disabled: #64748b;
        --color-text-light: #cbd5e1;
        --bg-card: #0f1113;
        --bg-input: #111315;
        --bg-input-disabled: #0a0b0c;
        --bg-hover: #1a1d21;
        --border-light: rgba(255,255,255,0.12);
        --border-medium: rgba(255,255,255,0.2);
        --border-focus: #2d8998;
        background: rgba(0, 0, 0, 0.7);
    }
    
    #addProductPopup .add-product-form {
        background-image: none;
        background: var(--bg-input-disabled);
        border-color: var(--border-light);
    }
    
    #addProductPopup .popup-header,
    #addProductPopup .popup-footer {
        background-image: none;
        background: var(--bg-input-disabled);
        border-color: var(--border-light);
    }
    
    #addProductPopup .popup-header h2 {
        color: var(--color-text-primary);
    }
    
    #addProductPopup .form-section {
        background: rgba(255, 255, 255, 0.05);
        border-color: var(--border-light);
    }
    
    #addProductPopup .form-section-title {
        border-bottom-color: rgba(45, 137, 152, 0.3);
    }
    
    #addProductPopup .form-group label {
        color: var(--color-text-secondary);
    }
    
    #addProductPopup .form-group input[type="text"],
    #addProductPopup .form-group input[type="date"],
    #addProductPopup .form-group input[type="datetime-local"],
    #addProductPopup .form-group select,
    #addProductPopup .form-group textarea {
        background: var(--bg-input);
        border-color: var(--border-light);
        color: var(--color-text-primary);
    }
    
    #addProductPopup .form-group input:focus,
    #addProductPopup .form-group select:focus {
        background: var(--bg-hover);
    }
    
    #addProductPopup select option {
        background: #111315;
        color: #e5e7eb;
    }
    
    #addProductPopup select option:hover,
    #addProductPopup select option:focus,
    #addProductPopup select option:checked {
        background: #3f4550 !important;
        color: #ffffff !important;
    }
    
    #addProductPopup .checkbox-item input[type="checkbox"] {
        background-color: var(--bg-input);
        border-color: var(--border-light);
    }
    
    #addProductPopup .checkbox-item label {
        color: var(--color-text-secondary);
    }
    
    #addProductPopup .modal-btn-cancel {
        background: transparent;
        color: #7f8c8d;
        border: none;
    }
    
    #addProductPopup .modal-btn-cancel:hover {
        background: rgba(127, 140, 141, 0.1);
        color: var(--color-text-primary);
    }
    
    #addProductPopup .popup-body {
        scrollbar-color: #4a5568 transparent;
    }
    
    #addProductPopup .popup-body::-webkit-scrollbar-thumb {
        background: #4a5568;
    }
    
    #addProductPopup .popup-body::-webkit-scrollbar-thumb:hover {
        background: #64748b;
    }
}