/* Import Montserrat and Open Sans Fonts */
@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@400;600;700&family=Open+Sans:wght@400;600&display=swap');

/* Define Diamond Quotation Theme */
:root {
    --primary-color: #000000; /* Champagne Gold */
    --primary-hover-color: #D4A71E; /* Darker Champagne Gold */
    --secondary-color: #0A1E3C; /* Sapphire Blue */
    --secondary-hover-color: #07152A; /* Darker Sapphire Blue */
    --accent-color: #F8F9FA; /* Pearl White */
    --accent-hover-color: #EDEFF2; /* Diamond White Hover */
    --background-color: #F5F6F5; /* Diamond White */
    --surface-color: #F8F9FA; /* Pearl White */
    --text-color: #1C2526; /* Obsidian Black */
    --text-light-color: #D3D3D3; /* Platinum Silver */
    --text-on-primary: #1C2526; /* Obsidian Black on Champagne Gold */
    --text-on-secondary: #F8F9FA; /* Pearl White on Sapphire Blue */
    --text-on-accent: #1C2526; /* Obsidian Black on Pearl White */
    --border-color: #D3D3D3; /* Platinum Silver */
    --input-border-color: #D3D3D3; /* Platinum Silver */
    --input-focus-border-color: #E8B923; /* Champagne Gold */
    --input-focus-shadow-color: rgba(232, 185, 35, 0.4); /* Softer Champagne Glow */
    --danger-color: #D32F2F; /* Ruby Red */
    --danger-hover-color: #B71C1C; /* Darker Ruby Red */
    --warning-color: #FFB300; /* Amber */
    --warning-hover-color: #E0A800; /* Darker Amber */
    --success-color: #2E7D32; /* Emerald Green */
    --success-hover-color: #1B5E20; /* Darker Emerald Green */
    --info-color: #3F5A7A; /* Slate Blue */
    --info-hover-color: #2E4860; /* Darker Slate Blue */
    
    --shadow-light: 0 2px 6px rgba(0, 0, 0, 0.1);
    --shadow-medium: 0 4px 12px rgba(0, 0, 0, 0.15);
    --shadow-strong: 0 6px 20px rgba(0, 0, 0, 0.2);
    --glow-effect: 0 0 12px rgba(232, 185, 35, 0.4);
    
    --border-radius-sm: 6px;
    --border-radius-md: 8px;
    --border-radius-lg: 12px;
    
    --font-primary: 'Montserrat', sans-serif;
    --font-secondary: 'Open Sans', sans-serif;
    
    --font-size-base: 1rem;
    --font-size-sm: 0.875rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.5rem;
    --font-size-2xl: 2rem;
}

/* Global Resets */
*, *::before, *::after {
    box-sizing: border-box;
}

body {
    font-family: var(--font-secondary);
    background: var(--background-color);
    margin: 0;
    color: var(--text-color);
    line-height: 1.8;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    width: 100%;
    height: 100%;
}

/* Container */
.container {
    max-width: 1300px;
    margin: 50px auto;
    background: var(--surface-color);
    border-radius: var(--border-radius-lg);
    padding: 0 20px;
    background-attachment: fixed;
    background-position: center;
    background-size: cover;
    background-image: linear-gradient(rgba(245, 246, 245, 0.9), rgba(248, 249, 250, 0.9));
}

/* Header */
.header {
    background: var(--surface-color);
    color: var(--text-color);
    padding: 35px 40px;
    margin-top: 100px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-radius: var(--border-radius-lg) var(--border-radius-lg) 0 0;
    box-shadow: var(--glow-effect);
    margin-bottom: 40px;
    border-bottom: 2px solid var(--primary-color);
}

.form-title {
    margin: 0;
    font-family: var(--font-primary);
    font-weight: 700;
    font-size: var(--font-size-2xl);
    color: var(--secondary-color);
}

/* Form Action Buttons */
.form-action-buttons {
    display: flex;
    gap: 25px;
    justify-content: flex-end;
    padding: 35px 40px;
    margin-top: 40px;
    background: var(--surface-color);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--glow-effect);
    align-items: center;
}

.form-action-buttons .btn {
    font-family: var(--font-primary);
    font-weight: 600;
    padding: 14px 30px;
    border-radius: var(--border-radius-md);
    transition: background-color 0.3s ease, transform 0.2s ease, box-shadow 0.3s ease;
    box-shadow: var(--glow-effect);
    border: none;
    cursor: pointer;
    white-space: nowrap;
    position: relative;
}

.form-action-buttons .btn::before {
    content: '';
    position: absolute;
    width: 8px;
    height: 8px;
    background: rgba(255, 255, 255, 0.9);
    border-radius: 50%;
    top: 10px;
    left: 10px;
    animation: sparkle 1.8s infinite;
}

.form-action-buttons .btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 15px rgba(232, 185, 35, 0.6);
}

.form-action-buttons .btn:active {
    transform: translateY(0);
    box-shadow: none;
}

.form-action-buttons .btn-primary {
    background: var(--primary-color);
    color: var(--text-on-primary);
}

.form-action-buttons .btn-primary:hover {
    background: var(--primary-hover-color);
}

.form-action-buttons .btn-info {
    background: var(--info-color);
    color: var(--text-on-secondary);
}

.form-action-buttons .btn-info:hover {
    background: var(--info-hover-color);
}

.form-action-buttons .btn-danger {
    background: var(--danger-color);
    color: var(--accent-color);
}

.form-action-buttons .btn-danger:hover {
    background: var(--danger-hover-color);
}

.form-action-buttons .btn.disabled {
    opacity: 0.6;
    cursor: not-allowed;
    box-shadow: none;
    transform: none;
}

/* Loader */
.loader {
    display: none;
    width: 40px;
    height: 40px;
    border: 5px solid var(--warning-color); /* Yellow color */
    border-top: 5px solid transparent;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-left: 15px;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Form Body */
.form-body {
    padding: 0;
}

/* Sections */
.section {
    background: var(--surface-color);
    padding: 35px 40px;
    margin-bottom: 40px;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--glow-effect);
    border: 1px solid var(--border-color);
}

.section-title {
    font-family: var(--font-primary);
    font-weight: 700;
    color: var(--secondary-color);
    border-bottom: 2px solid var(--primary-color);
    padding-bottom: 12px;
    margin-top: 0;
    margin-bottom: 30px;
    font-size: var(--font-size-xl);
}

.diamond-section .section-title {
    border-bottom-color: var(--info-color);
}

.metal-details-section .section-title {
    border-bottom-color: var(--secondary-color);
}

.identification-section .section-title {
    border-bottom-color: var(--text-light-color);
}

/* Form Row */
.form-row {
    display: flex;
    flex-wrap: wrap;
    margin-bottom: 30px;
    gap: 30px;
}

/* Form Group */
.form-group {
    flex: 1 1 calc(33.333% - 30px);
    min-width: 240px;
    display: flex;
    flex-direction: column;
}

.form-group.full-width {
    flex-basis: 100%;
}
/* Loading Spinner */
#loadingSpinner {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 2000;
    justify-content: center;
    align-items: center;
}

#loadingSpinner .spinner {
    width: 50px;
    height: 50px;
    border: 6px solid var(--warning-color); /* Yellow (#FFB300) */
    border-top: 6px solid transparent;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Remove .loader class if not used elsewhere */
.loader {
    display: none; /* Hide unless used in saveLoader */
    width: 40px;
    height: 40px;
    border: 5px solid var(--warning-color);
    border-top: 5px solid transparent;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-left: 15px;
}
label {
    display: block;
    margin-bottom: 10px;
    font-family: var(--font-primary);
    font-weight: 600;
    color: var(--text-color);
    font-size: var(--font-size-base);
}

input,
select,
.select2-container .select2-selection--single {
    width: 100%;
    padding: 14px 18px;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    font-size: var(--font-size-base);
    font-family: var(--font-secondary);
    color: var(--text-color);
    background: var(--surface-color);
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.select2-container .select2-selection--single {
    height: 50px;
    display: flex;
    align-items: center;
}

.select2-container--default .select2-selection--single .select2-selection__rendered {
    color: var(--text-color);
    line-height: normal;
}

.select2-container--default .select2-selection--single .select2-selection__arrow {
    height: 48px;
}

input:focus,
select:focus,
.select2-container--open .select2-selection--single {
    border-color: var(--input-focus-border-color);
    box-shadow: 0 0 0 3px var(--input-focus-shadow-color);
    outline: none;
}

input[readonly] {
    background: #E9ECEF;
    cursor: not-allowed;
    color: black;
}

/* Image Upload */
.image-upload-group .image-input-wrapper {
    position: relative;
    border: 2px dashed var(--primary-color);
    border-radius: var(--border-radius-md);
    padding: 30px;
    text-align: center;
    cursor: pointer;
    transition: background-color 0.3s ease, border-color 0.3s ease;
    background: var(--surface-color);
    min-height: 180px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.image-upload-group .image-input-wrapper:hover {
    background: var(--accent-hover-color);
    border-color: var(--primary-hover-color);
}

.image-input-hidden {
    display: none;
}

.image-input-label {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    cursor: pointer;
}

.image-input-label .image-input-icon {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 15px;
    transition: transform 0.2s ease-out;
}

.image-upload-group .image-input-wrapper:hover .image-input-icon {
    transform: scale(1.1);
}

#imageInputText {
    font-size: var(--font-size-base);
    color: var(--text-light-color);
    font-family: var(--font-secondary);
}

.image-previews-container {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    margin-top: 20px;
    justify-content: center;
}

.image-preview-wrapper {
    position: relative; /* Ensure the wrapper is a positioning context */
    display: inline-block; /* Prevent wrapper from stretching */
}

.image-preview-input,
.summary-image-preview {
    width: 120px;
    height: 120px;
    object-fit: cover;
    border-radius: var(--border-radius-md);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-light);
    cursor: pointer;
    display: block; /* Ensure the image is a block element */
}

.summary-image-previews-container {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    justify-content: center;
    margin-bottom: 30px;
}

.btn-remove-image {
    position: absolute;
    top: -10px;
    right: -10px;
    background: rgba(211, 47, 47, 0.9);
    color: var(--accent-color);
    border: none;
    border-radius: 50%;
    width: 25px;
    height: 25px;
    font-size: 1rem;
    line-height: 25px;
    text-align: center;
    padding: 0;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10; /* Ensure the button is above the image */
}

.btn-remove-image:hover {
    background: var(--danger-color);
    transform: scale(1.1);
}

/* Buttons */
.btn {
    padding: 12px 25px;
    border: none;
    border-radius: var(--border-radius-md);
    cursor: pointer;
    font-family: var(--font-primary);
    font-weight: 600;
    font-size: var(--font-size-base);
    transition: background-color 0.3s ease, transform 0.2s ease, box-shadow 0.3s ease;
    text-align: center;
    box-shadow: var(--glow-effect);
    position: relative;
}

.btn::before {
    content: '';
    position: absolute;
    width: 8px;
    height: 8px;
    background: rgba(255, 255, 255, 0.9);
    border-radius: 50%;
    top: 10px;
    left: 10px;
    animation: sparkle 1.8s infinite;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 15px rgba(232, 185, 35, 0.6);
}

.btn:active {
    transform: translateY(0);
    box-shadow: none;
}

.btn-add {
    background: var(--success-color);
    color: var(--accent-color);
}

.btn-add:hover {
    background: var(--success-hover-color);
}

.btn-remove {
    background: var(--danger-color);
    color: var(--accent-color);
    padding: 10px 20px;
}

.btn-remove:hover {
    background: var(--danger-hover-color);
}

.form-group-action {
    padding-top: 35px;
    flex-basis: auto;
}

.form-group-action .btn {
    min-width: 180px;
}

/* Metal Entry */
.metal-entry {
    background: var(--surface-color);
    padding: 30px;
    border-radius: var(--border-radius-md);
    margin-bottom: 30px;
    border: 1px dashed var(--border-color);
    border-left: 5px solid var(--primary-color);
}

/* Table */
.table-responsive-wrapper {
    overflow-x: auto;
    margin-bottom: 30px;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
}

table {
    width: 100%;
    border-collapse: collapse;
    margin: 0;
}

th, td {
    padding: 16px 20px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
    font-size: var(--font-size-base);
    font-family: var(--font-secondary);
}

th {
    background: linear-gradient(to bottom, var(--surface-color), var(--accent-hover-color));
    color: var(--secondary-color);
    font-family: var(--font-primary);
    font-weight: 600;
    text-transform: uppercase;
    font-size: var(--font-size-sm);
    letter-spacing: 1px;
}

tbody tr:nth-child(even) {
    background: var(--surface-color);
}

tbody tr:hover {
    background: var(--accent-hover-color);
}

/* Ensure monetary columns are right-aligned for consistency */
.summary-table td:nth-child(3),
.summary-table td:nth-child(4),
.summary-table td:nth-child(5),
.summary-table td:nth-child(6),
.summary-table td:nth-child(7) {
    text-align: right;
}

/* Quotation Summary */
.quotation-summary {
    background: var(--surface-color);
    padding: 40px;
    border-radius: var(--border-radius-lg);
    border: 1px solid var(--primary-color);
    box-shadow: var(--glow-effect);
}

.summary-title {
    font-family: var(--font-primary);
    font-weight: 700;
    color: var(--secondary-color);
    margin-top: 0;
    margin-bottom: 30px;
    font-size: var(--font-size-2xl);
    text-align: center;
}

.summary-image-container {
    text-align: center;
    margin-bottom: 30px;
}

.summary-value {
    font-family: var(--font-secondary);
    font-weight: 600;
    color: var(--text-color);
    font-size: var(--font-size-lg);
    padding: 10px 0;
    display: block;
    border-bottom: 1px dashed var(--border-color);
    margin-bottom: 10px;
}

/* Image Modal */
.image-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    z-index: 1000;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: auto;
}

.image-modal-content {
    max-width: 90%;
    max-height: 90%;
    border-radius: var(--border-radius-md);
    object-fit: contain;
}

.image-modal-close {
    position: absolute;
    top: 20px;
    right: 20px;
    color: var(--accent-color);
    font-size: 2rem;
    cursor: pointer;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: rgba(0, 0, 0, 0.5);
    transition: all 0.3s ease;
}

.image-modal-close:hover {
    color: var(--danger-color);
    background: rgba(211, 47, 47, 0.7);
    transform: rotate(90deg);
}

/* Popup Modal */
.popup-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    z-index: 1000;
    justify-content: center;
    align-items: center;
    overflow: auto;
}

.popup-modal-content {
    background: var(--surface-color);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-strong);
    width: 90%;
    max-width: 500px;
    padding: 20px;
    position: relative;
    animation: fadeIn 0.3s ease;
}

.popup-modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--border-color);
}

.popup-modal-header.success {
    border-bottom-color: var(--success-color);
}

.popup-modal-header.error {
    border-bottom-color: var(--danger-color);
}

.popup-modal-header.warning {
    border-bottom-color: var(--warning-color);
}

.popup-modal-header.info {
    border-bottom-color: var(--info-color);
}

.popup-modal-close-btn {
    font-size: 1.5rem;
    color: var(--text-color);
    cursor: pointer;
    transition: color 0.2s ease;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: transparent;
    transition: all 0.3s ease;
}

.popup-modal-close-btn:hover {
    color: var(--danger-color);
    background: rgba(211, 47, 47, 0.1);
    transform: rotate(90deg);
}

.popup-modal-body {
    padding: 20px 0;
    font-size: var(--font-size-base);
    color: var(--text-color);
}

.popup-modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
}

.btn-popup-action {
    padding: 10px 20px;
    border: none;
    border-radius: var(--border-radius-md);
    cursor: pointer;
    font-family: var(--font-primary);
    font-weight: 600;
    transition: background-color 0.3s ease, transform 0.2s ease;
}

.btn-popup-action:hover {
    transform: translateY(-2px);
}

.btn-popup-action:active {
    transform: translateY(0);
}

#customPopupOkBtn {
    background: var(--primary-color);
    color: var(--text-on-primary);
}

#customPopupOkBtn:hover {
    background: var(--primary-hover-color);
}

#customPopupConfirmBtn {
    background: var(--success-color);
    color: var(--accent-color);
}

#customPopupConfirmBtn:hover {
    background: var(--success-hover-color);
}

#customPopupCancelBtn {
    background: var(--danger-color);
    color: var(--accent-color);
}

#customPopupCancelBtn:hover {
    background: var(--danger-hover-color);
}

/* Animations */
@keyframes sparkle {
    0% { opacity: 0; transform: scale(0) rotate(0deg); }
    50% { opacity: 1; transform: scale(1.4) rotate(45deg); }
    100% { opacity: 0; transform: scale(0) rotate(90deg); }
}

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

/* Responsive Design */
@media (max-width: 1024px) {
    .container {
        margin: 30px auto;
        padding: 0 15px;
    }

    .header {
        padding: 25px 30px;
    }

    .section {
        padding: 25px 30px;
    }

    .form-action-buttons {
        padding: 25px 30px;
    }

    .form-row {
        gap: 20px;
    }

    .form-group {
        flex: 1 1 calc(50% - 20px);
        min-width: 200px;
    }

    .image-preview-input,
    .summary-image-preview {
        width: 100px;
        height: 100px;
    }
}

@media (max-width: 768px) {
    .container {
        margin: 20px auto;
    }

    .header {
        flex-direction: column;
        align-items: flex-start;
        padding: 20px;
    }

    .form-title {
        font-size: var(--font-size-xl);
        margin-bottom: 15px;
    }

    .form-action-buttons {
        flex-direction: column;
        align-items: stretch;
        padding: 20px;
        gap: 15px;
    }

    .form-action-buttons .btn {
        width: 100%;
        padding: 12px;
    }

    .section {
        padding: 20px;
    }

    .section-title {
        font-size: var(--font-size-lg);
    }

    .form-row {
        flex-direction: column;
        gap: 15px;
    }

    .form-group {
        flex: 1 1 100%;
        min-width: 100%;
    }

    .metal-entry {
        padding: 20px;
    }

    .table-responsive-wrapper {
        margin-bottom: 20px;
    }

    th, td {
        padding: 12px 15px;
        font-size: var(--font-size-sm);
    }

    .quotation-summary {
        padding: 30px;
    }

    .summary-title {
        font-size: var(--font-size-xl);
    }

    .image-preview-input,
    .summary-image-preview {
        width: 80px;
        height: 80px;
    }
}

@media (max-width: 480px) {
    body {
        font-size: var(--font-size-sm);
    }

    .container {
        padding: 0 10px;
    }

    .header {
        padding: 15px;
        margin-top: 40px;
    }

    .form-title {
        font-size: var(--font-size-lg);
    }

    .section {
        padding: 15px;
    }

    .section-title {
        font-size: var(--font-size-base);
    }

    .form-action-buttons {
        padding: 15px;
    }

    .form-group label {
        font-size: var(--font-size-sm);
    }

    input,
    select,
    .select2-container .select2-selection--single {
        padding: 10px 14px;
        font-size: var(--font-size-sm);
    }

    .image-upload-group .image-input-wrapper {
        padding: 20px;
        min-height: 140px;
    }

    .image-preview-input,
    .summary-image-preview {
        width: 60px;
        height: 60px;
    }

    .btn-remove-image {
        width: 20px;
        height: 20px;
        font-size: 0.8rem;
        line-height: 20px;
    }

    .btn {
        padding: 10px 20px;
        font-size: var(--font-size-sm);
    }

    .form-group-action .btn {
        min-width: 140px;
    }

    th, td {
        padding: 10px 12px;
        font-size: 0.85rem;
    }

    .quotation-summary {
        padding: 20px;
    }

    .summary-title {
        font-size: var(--font-size-lg);
    }

    .summary-value {
        font-size: var(--font-size-base);
    }
}
/* Toast Notification Styles */
.toast-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 10px;
  }
  
  .toast {
    padding: 15px 20px;
    border-radius: var(--border-radius-md);
    color: white;
    font-family: var(--font-primary);
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-width: 250px;
    max-width: 350px;
    box-shadow: var(--shadow-medium);
    animation: slideIn 0.3s ease-out;
    transition: all 0.3s ease;
    opacity: 1;
    transform: translateX(0);
  }
  
  .toast.hide {
    opacity: 0;
    transform: translateX(100%);
  }
  
  .toast.success {
    background-color: var(--success-color);
  }
  
  .toast.error {
    background-color: var(--danger-color);
  }
  
  .toast.warning {
    background-color: var(--warning-color);
    color: var(--text-color);
  }
  
  .toast.info {
    background-color: var(--info-color);
  }
  
  .toast-close {
    background: none;
    border: none;
    color: inherit;
    font-size: 1.2rem;
    cursor: pointer;
    margin-left: 15px;
    padding: 0;
  }
  
  @keyframes slideIn {
    from {
      opacity: 0;
      transform: translateX(100%);
    }
    to {
      opacity: 1;
      transform: translateX(0);
    }
  }