:root {
    --primary-color: #007bff;
    --primary-dark-color: #0056b3;
    --secondary-color: #6c757d;
    --success-color: #28a745;
    --danger-color: #dc3545;
    --warning-color: #ffc107;
    --light-color: #f8f9fa;
    --dark-color: #343a40;
    --background-light: #f4f6f8;
    --background-dark: #121212;
    --card-bg-light: #ffffff;
    --card-bg-dark: #1e1e1e;
    --card-bg: var(--card-bg-light);
    --text-light: #212529;
    --text-dark: #f0f0f0;
    --border-light: #dee2e6;
    --border-dark: #444;
    --border-color: var(--border-light);
    --input-bg: var(--card-bg-light);
    --text-primary: var(--text-light);
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-dark: 0 4px 6px rgba(0, 0, 0, 0.3);
    --transition-speed: 0.3s;
    --mobile-header-height: 60px;
    --mobile-footer-height: 64px;
    --content-padding: 12px;
}

body {
    font-family: 'Vazirmatn', sans-serif;
    margin: 0;
    padding: 0;
    direction: rtl;
    background-color: var(--background-light);
    color: var(--text-light);
    transition: background-color var(--transition-speed) ease, color var(--transition-speed) ease;
}

body[data-theme="dark"] {
    background-color: var(--background-dark);
    color: var(--text-dark);
    --card-bg: var(--card-bg-dark);
    --border-color: var(--border-dark);
    --input-bg: var(--card-bg-dark);
    --text-primary: var(--text-dark);
}

.app-container {
    max-width: 480px;
    margin: 0 auto;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    position: relative;
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.1);
}

/* --- Header --- */
.app-header {
    background-color: var(--primary-color);
    color: white;
    height: var(--mobile-header-height);
    padding: 0 16px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow);
}

body[data-theme="dark"] .app-header {
    background-color: #1a1a2e;
    box-shadow: var(--shadow-dark);
}

.app-title {
    margin: 0;
    font-family: 'Cairo', sans-serif;
    font-size: 1.8rem;
    font-weight: 700;
    letter-spacing: 1px;
}

.header-actions {
    display: flex;
    gap: 10px;
}

.icon-btn {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.15);
    border: none;
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: background-color 0.2s ease, transform 0.2s ease;
    font-size: 18px;
}

.icon-btn:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: scale(1.05);
}

/* --- Content --- */
.content {
    flex: 1;
    padding: var(--content-padding);
    overflow-y: auto;
    margin-bottom: var(--mobile-footer-height);
    background-color: var(--background-light);
    transition: background-color var(--transition-speed) ease;
}

body[data-theme="dark"] .content {
    background-color: var(--background-dark);
}

/* --- Footer --- */
.app-footer {
    background-color: var(--card-bg-light);
    position: fixed;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100%;
    max-width: 480px;
    height: var(--mobile-footer-height);
    box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    border-top: 1px solid var(--border-light);
    margin-bottom: 5px;
}

body[data-theme="dark"] .app-footer {
    background-color: var(--card-bg-dark);
    box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.25);
    border-top: 1px solid var(--border-dark);
}

/* --- Nav Bar --- */
.nav-bar {
    display: flex;
    justify-content: space-around;
    align-items: center;
    width: 100%;
    padding: 10px 0;
}

.nav-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 5px;
    width: 20%;
    padding: 5px 10px;
    border: none;
    background: none;
    color: inherit;
    cursor: pointer;
}

.nav-btn i {
    font-size: 1.5rem;
}

.nav-btn span {
    font-size: 0.9rem;
    margin-bottom: 10px;
}

.nav-btn.active {
    color: var(--primary-color);
    background-color: rgba(0, 123, 255, 0.1);
}

body[data-theme="dark"] .nav-btn {
    color: #aaaaaa;
}

body[data-theme="dark"] .nav-btn.active {
    color: var(--primary-color);
}

/* Page styling */
.page {
    display: none;
    animation: fadeIn 0.3s ease;
}

.page.active {
    display: block;
}

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

/* Form elements */
.form-section {
    background-color: var(--card-bg-light);
    border-radius: 12px;
    padding: 16px;
    margin-bottom: 16px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
    transition: background-color var(--transition-speed) ease;
}

body[data-theme="dark"] .form-section {
    background-color: var(--card-bg-dark);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

#purchase-page .form-section {
    width: calc(100% - 30px);
    max-width: 600px;
    margin-top: 20px;
}

#sales-page .form-section {
    width: calc(100% - 30px);
    max-width: 600px;
    margin-top: 20px;
}

label {
    display: block;
    margin-bottom: 8px;
    color: var(--text-light);
    font-weight: 500;
    transition: color var(--transition-speed) ease;
}

body[data-theme="dark"] label {
    color: var(--text-dark);
}

input[type="text"],
input[type="number"],
select,
textarea {
    width: 100%;
    padding: 10px;
    border-radius: 8px;
    border: 1px solid var(--border-light);
    font-family: 'Vazirmatn', sans-serif;
    background-color: var(--card-bg-light);
    color: var(--text-light);
    transition: border-color var(--transition-speed) ease, background-color var(--transition-speed) ease, color var(--transition-speed) ease;
    box-sizing: border-box;
}

body[data-theme="dark"] input[type="text"],
body[data-theme="dark"] input[type="number"],
body[data-theme="dark"] select,
body[data-theme="dark"] textarea {
    background-color: #2c2c2c;
    color: var(--text-dark);
    border-color: var(--border-dark);
}

#purchase-page select,
#purchase-page input[type="number"],
#purchase-page textarea {
    width: 100%;
    padding: 8px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    background-color: var(--input-bg);
    color: var(--text-primary);
}

#sales-page select,
#sales-page input[type="number"],
#sales-page textarea {
    width: 100%;
    padding: 8px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    background-color: var(--input-bg);
    color: var(--text-primary);
}

input[type="text"]:focus,
input[type="number"]:focus,
select:focus,
textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(0, 123, 255, 0.25);
}

textarea {
    resize: vertical;
    min-height: 60px;
}

.btn-primary {
    background-color: var(--primary-color);
    color: white;
    border: none;
    padding: 10px 16px;
    border-radius: 8px;
    cursor: pointer;
    transition: background-color var(--transition-speed) ease, transform 0.2s ease;
    font-family: 'Vazirmatn', sans-serif;
}

.btn-primary:hover {
    background-color: var(--primary-dark-color);
    transform: translateY(-2px);
}

/* --- Header Actions --- */
.header-actions {
    display: flex;
    gap: 10px;
}

#theme-toggle-btn, #info-btn {
    background: none;
    border: none;
    color: #ffffff;
    font-size: 1.6rem;
    cursor: pointer;
    padding: 6px;
    border-radius: 50%;
    transition: background-color var(--transition-speed) ease, transform 0.2s ease;
}

#theme-toggle-btn:hover, #info-btn:hover {
    background-color: rgba(255, 255, 255, 0.2);
    transform: scale(1.1);
}

.nav-bar {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin: 20px 0;
}

.nav-btn {
    background-color: var(--secondary-color);
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color var(--transition-speed) ease;
}

.nav-btn:hover {
    background-color: var(--primary-dark-color);
}

.nav-btn.active {
    background-color: var(--primary-color);
}

.content {
    flex: 1;
    overflow-y: auto;
    max-height: calc(100vh - 150px);
    padding-bottom: 20px;
    cursor: grab;
}

.content:active {
    cursor: grabbing;
}

.page {
    display: none;
}

.page.active {
    display: block;
}

.form-section {
    margin-bottom: 15px;
}

.form-section label {
    display: block;
    margin-bottom: 5px;
    font-weight: 500;
}

input[type="text"],
input[type="number"],
select,
textarea {
    width: 100%;
    padding: 8px;
    border: 1px solid var(--secondary-color);
    border-radius: 5px;
    box-sizing: border-box;
    font-family: 'Vazirmatn', sans-serif;
    background-color: var(--background-light);
    color: var(--text-light);
    transition: border-color var(--transition-speed) ease, background-color var(--transition-speed) ease, color var(--transition-speed) ease;
}

body[data-theme="dark"] input[type="text"],
body[data-theme="dark"] input[type="number"],
body[data-theme="dark"] select,
body[data-theme="dark"] textarea {
    background-color: #2c2c2c;
    color: var(--text-dark);
    border-color: #555;
}

input[type="text"]:focus,
input[type="number"]:focus,
select:focus,
textarea:focus {
    border-color: var(--primary-color);
    outline: none;
}

textarea {
    resize: vertical;
    min-height: 60px;
}

.btn-primary {
    background-color: var(--primary-color);
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color var(--transition-speed) ease;
}

.btn-primary:hover {
    background-color: var(--primary-dark-color);
}

/* --- Item styling --- */
.purchase-box, .sale-box {
    position: relative;
    background-color: var(--card-bg-light);
    border-radius: 8px;
    margin-bottom: 10px;
    box-shadow: var(--shadow);
    overflow: hidden;
    transition: transform 0.2s, box-shadow 0.2s;
    cursor: pointer;
}

body[data-theme="dark"] .purchase-box,
body[data-theme="dark"] .sale-box {
    background-color: var(--card-bg-dark);
    box-shadow: var(--shadow-dark);
}

.purchase-box:hover, .sale-box:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 10px rgba(0, 0, 0, 0.15);
}

.purchase-box-content, .sale-box-content {
    padding: 15px;
    position: relative;
}

/* دکمه حذف در باکس خرید */
.delete-purchase-btn {
    position: absolute;
    bottom: 10px;
    left: 10px;
    background-color: var(--danger-color);
    color: white;
    border: none;
    border-radius: 4px;
    padding: 5px 10px;
    font-size: 0.8rem;
    cursor: pointer;
    transition: background-color 0.2s;
    z-index: 5;
}

.delete-purchase-btn:hover {
    background-color: #bd2130; /* رنگ تیره‌تر برای هاور */
}

/* فاصله بیشتر برای توضیحات تا دکمه حذف روی آن قرار نگیرد */
.purchase-item-extra-info, .sale-item-extra-info {
    margin-bottom: 30px;
}

/* Sales and Purchase list common styles */
#sales-list-container,
#purchase-list-container {
    margin-top: 7px !important;
}

.sale-box,
.purchase-box {
    background-color: var(--card-bg-light);
    border-radius: 8px;
    box-shadow: var(--shadow);
    margin-bottom: 3px;
    position: relative;
    overflow: hidden;
    transition: all 0.2s ease;
}

body[data-theme="dark"] .sale-box,
body[data-theme="dark"] .purchase-box {
    background-color: var(--card-bg-dark);
    box-shadow: var(--shadow-dark);
}

.sale-box-content,
.purchase-box-content {
    padding: 10px;
}

.sale-box-header,
.purchase-box-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 8px;
}

.sale-item-name,
.purchase-item-name {
    font-weight: 600;
    color: var(--primary-color);
    margin-right: 0;
    flex: 1;
    text-align: right;
}

.sale-item-details,
.purchase-item-details {
    text-align: left;
    white-space: nowrap;
}

.sale-item-details span,
.purchase-item-details span {
    margin-left: 0;
    color: var(--secondary-color);
}

.sale-item-date,
.purchase-item-date {
    text-align: center;
    margin: 8px 0;
    color: var(--secondary-color);
    font-size: 0.9rem;
}

.sale-item-extra-info,
.purchase-item-extra-info {
    text-align: center;
    margin-top: 6px;
    padding-top: 6px;
    border-top: 1px dashed var(--border-light);
    font-size: 0.9rem;
    color: var(--secondary-color);
    font-style: italic;
}

body[data-theme="dark"] .sale-item-extra-info,
body[data-theme="dark"] .purchase-item-extra-info {
    border-top: 1px dashed var(--border-dark);
}

.item-list,
.log-items-list {
    list-style: none;
    padding: 0;
}

.item-list li,
.log-items-list li {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px;
    border-bottom: 1px solid #ddd;
    cursor: pointer;
    transition: background-color var(--transition-speed) ease;
}

body[data-theme="dark"] .item-list li,
body[data-theme="dark"] .log-items-list li {
    border-bottom: 1px solid #444;
}

.item-list li:hover,
.log-items-list li:hover {
    background-color: var(--light-color);
}

body[data-theme="dark"] .item-list li:hover,
body[data-theme="dark"] .log-items-list li:hover {
    background-color: #333;
}

.item-name {
    font-weight: 500;
}

.item-details {
    color: var(--secondary-color);
    font-size: 0.9rem;
}

body[data-theme="dark"] .item-details {
    color: #bbb;
}

.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 2000;
    overflow-y: auto;
}

.modal-content {
    background-color: var(--background-light);
    margin: 5% auto;
    padding: 20px;
    border-radius: 8px;
    width: 90%;
    max-width: 500px;
    box-shadow: var(--shadow);
    transition: transform var(--transition-speed) ease, opacity var(--transition-speed) ease;
}

body[data-theme="dark"] .modal-content {
    background-color: var(--background-dark);
}

.modal-content.hidden {
    transform: scale(0.9);
    opacity: 0;
}

.modal-content.show {
    transform: scale(1);
    opacity: 1;
}

.close-btn {
    float: left;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--secondary-color);
}

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

.modal h3 {
    margin-top: 0;
    display: flex;
    align-items: center;
    gap: 10px;
}

.form-section.full-width {
    grid-column: 1 / -1;
}

.modal-actions {
    display: flex;
    justify-content: space-between;
    gap: 10px;
    margin-top: 20px;
}

.btn-confirm {
    background-color: var(--success-color);
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color var(--transition-speed) ease;
}

.btn-confirm:hover {
    background-color: #218838;
}

.btn-cancel {
    background-color: var(--secondary-color);
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color var(--transition-speed) ease;
}

.btn-cancel:hover {
    background-color: #5a6268;
}

.btn-delete {
    background-color: var(--danger-color);
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color var(--transition-speed) ease;
}

.btn-delete:hover {
    background-color: #c82333;
}

.store-log-group {
    margin-bottom: 20px;
}

.store-log-header {
    background-color: var(--primary-color);
    color: white;
    padding: 10px;
    border-radius: 5px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    transition: background-color var(--transition-speed) ease;
}

.store-log-header:hover {
    background-color: var(--primary-dark-color);
}

.store-log-header h4 {
    margin: 0;
}

.toggle-icon {
    transition: transform var(--transition-speed) ease;
}

.store-log-header.collapsed .toggle-icon {
    transform: rotate(-90deg);
}

.log-items-list {
    margin-top: 10px;
}

.log-items-list.hidden {
    display: none;
}

.empty-log {
    text-align: center;
    color: var(--secondary-color);
    padding: 20px;
}

body[data-theme="dark"] .empty-log {
    color: #888;
}

/* Sort tabs styling removed as per user request */

.log-item-main {
    align-items: center;
    gap: 5px;
}

.log-item-type {
    padding: 2px 8px;
    border-radius: 12px;
    font-size: 0.8rem;
    color: white;
}

.log-item-type.purchase {
    background-color: var(--success-color);
}

.log-item-type.sale {
    background-color: var(--danger-color);
}

.log-item-price {
    color: var(--primary-color);
}

body[data-theme="dark"] .log-item-price {
    color: #66b0ff;
}

/* --- Info Modal --- */
.info-content p {
    margin-bottom: 10px;
}

.support-link {
    font-weight: bold;
    color: var(--primary-color);
    cursor: pointer;
    text-decoration: underline;
}

.support-link:hover {
    color: var(--primary-dark-color);
}

/* --- Notification --- */
.notification {
    position: fixed;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    background-color: var(--success-color);
    color: white;
    padding: 10px 20px;
    border-radius: 5px;
    box-shadow: var(--shadow);
    z-index: 3000;
    animation: fadeInOut 2s ease;
}

@keyframes fadeInOut {
    0% { opacity: 0; }
    20% { opacity: 1; }
    80% { opacity: 1; }
    100% { opacity: 0; }
}

/* --- Creator Info --- */
.creator-info {
    padding: 15px;
    border-radius: 8px;
    background-color: rgba(0, 123, 255, 0.05);
}

body[data-theme="dark"] .creator-info {
    background-color: rgba(0, 123, 255, 0.1);
}

.creator-info p {
    margin: 10px 0;
    line-height: 1.5;
}

.donate-link {
    cursor: pointer;
    transition: all 0.3s ease;
}

.donate-link:hover {
    opacity: 0.8;
}

.copy-success {
    margin-top: 15px;
    padding: 10px;
    background-color: var(--success-color);
    color: white;
    border-radius: 5px;
    text-align: center;
    animation: fadeInOut 3s forwards;
}

@keyframes fadeInOut {
    0% { opacity: 0; }
    10% { opacity: 1; }
    90% { opacity: 1; }
    100% { opacity: 0; }
}

/* --- Average Price Button --- */
.avg-price-btn {
    white-space: nowrap;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px 12px;
    border-radius: 5px;
    transition: background-color var(--transition-speed) ease;
}

.avg-price-btn:hover {
    background-color: rgba(0, 123, 255, 0.1);
}

/* --- Calendar Type Selector --- */
.calendar-type-selector {
    gap: 10px;
    margin-bottom: 20px;
    justify-content: center;
}

.calendar-type-btn {
    padding: 8px 15px;
    border: 1px solid var(--primary-color);
    background-color: transparent;
    color: var(--text-light);
    border-radius: 5px;
    cursor: pointer;
    transition: all 0.3s ease;
}

body[data-theme="dark"] .calendar-type-btn {
    color: var(--text-dark);
}

.calendar-type-btn.active {
    background-color: var(--primary-color);
    color: white;
}

.date-picker-container {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
}

/* --- Button Row --- */
.button-row {
    justify-content: space-between;
    margin-top: 20px;
    gap: 10px;
}

.btn-danger {
    background-color: var(--danger-color);
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color var(--transition-speed) ease;
}

.btn-danger:hover {
    background-color: #bd2130;
}

/* --- Average Price Calculator --- */
.price-inputs-container {
    gap: 10px;
    width: 100%;
}

.price-inputs-container input[type="number"] {
    width: 50%;
    background-color: #f9f9f9;
}

body[data-theme="dark"] .price-inputs-container input[type="number"] {
    background-color: #333;
}

.avg-price-actions {
    display: flex;
    flex-direction: column;
}

.btn-add-price, 
.btn-clear-price {
    border: none;
    width: 32px;
    height: 21px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
}

.btn-add-price {
    background-color: var(--success-color);
    color: white;
    border-radius: 0 5px 0 0;
}

.btn-clear-price {
    background-color: var(--danger-color);
    color: white;
    border-radius: 0 0 5px 0;
}

.btn-add-price:hover {
    background-color: #218838;
}

.btn-clear-price:hover {
    background-color: #c82333;
}

.price-tags-container {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    min-height: 40px;
    padding: 8px;
    border: 1px dashed #ccc;
    border-radius: 5px;
    margin-bottom: 15px;
}

body[data-theme="dark"] .price-tags-container {
    border-color: #555;
}

.price-tag {
    display: inline-flex;
    align-items: center;
    background-color: var(--primary-color);
    color: white;
    padding: 5px 10px;
    border-radius: 15px;
    font-size: 0.9rem;
    gap: 5px;
}

.remove-price {
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.3);
    transition: background-color 0.2s ease;
}

.remove-price:hover {
    background-color: rgba(255, 255, 255, 0.5);
}

.avg-result {
    display: flex;
    justify-content: space-between;
    font-size: 1.1rem;
    margin-bottom: 15px;
    padding: 10px;
    background-color: rgba(0, 123, 255, 0.1);
    border-radius: 5px;
}

.btn-secondary {
    background-color: var(--secondary-color);
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color var(--transition-speed) ease;
}

.btn-secondary:hover {
    background-color: #5a6268;
}

/* --- فی میانگین جدید --- */
.price-inputs-container {
    display: flex;
    gap: 10px;
    width: 100%;
}

.price-inputs-container input[type="number"] {
    width: 50%;
    background-color: #f9f9f9;
}

body[data-theme="dark"] .price-inputs-container input[type="number"] {
    background-color: #333;
}

.avg-price-actions {
    display: flex;
    flex-direction: column;
}

.btn-add-price, 
.btn-clear-price {
    border: none;
    width: 32px;
    height: 21px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
}

.btn-add-price {
    background-color: var(--success-color);
    color: white;
    border-radius: 0 5px 0 0;
}

.btn-clear-price {
    background-color: var(--danger-color);
    color: white;
    border-radius: 0 0 5px 0;
}

.btn-add-price:hover {
    background-color: #218838;
}

.btn-clear-price:hover {
    background-color: #c82333;
}

.avg-price-input-wrapper {
    position: relative;
    width: 50%;
}

.avg-price-input {
    width: 100%;
    padding: 8px;
    padding-right: 10px;
    border: 1px solid var(--primary-color);
    border-radius: 5px 0 0 5px;
    box-sizing: border-box;
    font-family: 'Vazirmatn', sans-serif;
    background-color: var(--background-light);
    color: var(--text-light);
    transition: border-color var(--transition-speed) ease, background-color var(--transition-speed) ease, color var(--transition-speed) ease;
}

body[data-theme="dark"] .avg-price-input {
    background-color: #2c2c2c;
    color: var(--text-dark);
    border-color: #555;
}

.avg-price-input:focus {
    outline: none;
    border-color: var(--primary-dark-color);
    box-shadow: 0 0 0 2px rgba(0, 123, 255, 0.25);
}

.avg-price-actions {
    display: flex;
    flex-direction: column;
    gap: 5px;
    position: absolute;
    right: -40px;
    top: 0;
}

.purchase-list-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 10px;
    margin-top: 15px;
}

.sale-box {
    background-color: var(--card-bg-light);
    border-radius: 8px;
    box-shadow: var(--shadow);
    margin-bottom: 3px;
    position: relative;
    overflow: hidden;
    transition: all 0.2s ease;
}

body[data-theme="dark"] .sale-box {
    background-color: var(--card-bg-dark);
    box-shadow: var(--shadow-dark);
}

.sale-box-content {
    padding: 10px;
}

.sale-box-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.sale-item-name {
    font-weight: 600;
    color: var(--primary-color);
    margin-right: 0;
    flex: 1;
    text-align: right;
}

.sale-item-details {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    text-align: left;
}

.sale-item-details span {
    margin-left: 0;
}

.sale-item-date {
    text-align: center;
    margin: 6px 0;
    color: var(--secondary-color);
    font-size: 0.9rem;
}

.sale-item-extra-info {
    text-align: center;
    margin-top: 6px;
    padding-top: 6px;
    border-top: 1px dashed var(--border-light);
    font-size: 0.9rem;
    color: var(--secondary-color);
    font-style: italic;
}

body[data-theme="dark"] .sale-item-extra-info {
    border-top: 1px dashed var(--border-dark);
}

/* Sales and Purchase list common styles */
#sales-list-container,
#purchase-list-container {
    margin-top: 7px !important;
}

.sale-box,
.purchase-box {
    background-color: var(--card-bg-light);
    border-radius: 8px;
    box-shadow: var(--shadow);
    margin-bottom: 3px;
    position: relative;
    overflow: hidden;
    transition: all 0.2s ease;
}

body[data-theme="dark"] .sale-box,
body[data-theme="dark"] .purchase-box {
    background-color: var(--card-bg-dark);
    box-shadow: var(--shadow-dark);
}

.sale-box-content,
.purchase-box-content {
    padding: 10px;
}

.sale-box-header,
.purchase-box-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 8px;
}

.sale-item-name,
.purchase-item-name {
    font-weight: 600;
    color: var(--primary-color);
    margin-right: 0;
    flex: 1;
    text-align: right;
}

.sale-item-details,
.purchase-item-details {
    text-align: left;
    white-space: nowrap;
}

.sale-item-details span,
.purchase-item-details span {
    margin-left: 0;
    color: var(--secondary-color);
}

.sale-item-date,
.purchase-item-date {
    text-align: center;
    margin: 8px 0;
    color: var(--secondary-color);
    font-size: 0.9rem;
}

.sale-item-extra-info,
.purchase-item-extra-info {
    text-align: center;
    margin-top: 6px;
    padding-top: 6px;
    border-top: 1px dashed var(--border-light);
    font-size: 0.9rem;
    color: var(--secondary-color);
    font-style: italic;
}

body[data-theme="dark"] .sale-item-extra-info,
body[data-theme="dark"] .purchase-item-extra-info {
    border-top: 1px dashed var(--border-dark);
}

.refresh-btn {
    cursor: pointer;
    margin-left: 10px;
    font-size: 1.2em;
}

.refresh-btn:hover {
    color: #007bff;
}

/* Purchase and Sales Page Shared Styles */
.purchase-form-box {
    background: var(--card-bg);
    padding: 20px;
    border-radius: 8px;
    margin-bottom: 20px;
    border: 1px solid var(--border-color);
}

.quantity-weight-row {
    display: flex;
    gap: 15px;
    margin-bottom: 15px;
}

.quantity-input,
.weight-input {
    flex: 1;
}

.quantity-input input,
.weight-input input,
.purchase-form-box input[type="number"],
.purchase-form-box textarea {
    width: 100%;
    padding: 8px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    background-color: var(--input-bg);
    color: var(--text-primary);
}

.purchase-form-box label {
    display: block;
    margin-bottom: 5px;
    font-weight: 500;
}

/* استایل‌های لیست خرید جدید */
.section-title {
    margin-bottom: 15px;
    color: var(--primary-color);
    border-bottom: 2px solid var(--primary-color);
    padding-bottom: 5px;
}

.purchase-list-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 15px;
    margin-top: 15px;
}

.purchase-card {
    background-color: var(--card-bg-light);
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    transition: transform 0.2s, box-shadow 0.2s;
    padding: 15px;
    position: relative;
    cursor: pointer;
    border-right: 4px solid var(--primary-color);
}

body[data-theme="dark"] .purchase-card {
    background-color: var(--card-bg-dark);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.purchase-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.purchase-card-header {
    margin-bottom: 10px;
    font-weight: bold;
    font-size: 1.1rem;
    color: var(--primary-color);
    border-bottom: 1px solid #eee;
    padding-bottom: 8px;
}

.purchase-card-details {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.purchase-card-details > div {
    display: flex;
    align-items: center;
    gap: 5px;
}

.purchase-card-price {
    font-weight: bold;
    color: #e74c3c;
}

.purchase-card-date {
    font-size: 0.8rem;
    color: var(--secondary-color);
    margin-top: 10px;
}

.purchase-card-info {
    margin-top: 5px;
    font-size: 0.85rem;
    color: #666;
    font-style: italic;
}

.empty-message {
    text-align: center;
    padding: 20px;
    color: var(--secondary-color);
    font-style: italic;
}

/* استایل‌های فرم خرید */
.purchase-form-container {
    display: flex;
    justify-content: center;
    padding: 20px;
}

.purchase-form {
    background-color: #fff;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    padding: 20px;
    width: 100%;
    max-width: 500px;
}

.purchase-form-box {
    border: 1px solid #ddd;
    border-radius: 8px;
    padding: 20px;
    background-color: #f9f9f9;
    margin-bottom: 20px;
}

.purchase-form-box label {
    display: block;
    margin-bottom: 5px;
    font-weight: bold;
}

.purchase-form-box select,
.purchase-form-box input,
.purchase-form-box textarea {
    width: 100%;
    padding: 8px;
    border: 1px solid #ccc;
    border-radius: 4px;
    font-family: 'Vazirmatn', sans-serif;
    margin-bottom: 10px;
}

.purchase-form-box .btn-primary {
    width: 100%;
    padding: 10px;
    margin-top: 10px;
}

.purchase-card {
    position: relative;
}

.purchase-card .edit-btn {
    position: absolute;
    bottom: 10px;
    left: 10px;
    background: none;
    border: none;
    cursor: pointer;
    color: #666;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    padding: 0;
    border-radius: 50%;
    transition: all 0.3s ease;
}

.purchase-card .edit-btn:hover {
    background-color: rgba(0, 0, 0, 0.1);
    color: #333;
}

.purchase-card .edit-btn i {
    font-size: 16px;
}

.purchase-card .edit-actions {
    display: none;
    position: absolute;
    bottom: 10px;
    left: 40px;
    gap: 5px;
}

.purchase-card .edit-actions.show {
    display: flex;
}

.purchase-card .edit-actions button {
    padding: 3px 8px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.9em;
}

.purchase-card .edit-actions .confirm-edit {
    background-color: #4CAF50;
    color: white;
}

.purchase-card .edit-actions .cancel-edit {
    background-color: #f44336;
    color: white;
}

.purchase-card .editable-field {
    display: inline-block;
    padding: 2px 5px;
    border-radius: 4px;
    transition: background-color 0.3s;
}

.purchase-card .editable-field.editing {
    background-color: #fff;
    border: 1px solid #ddd;
}

.purchase-card .editable-field input {
    width: 80px;
    border: none;
    background: none;
    font-size: inherit;
    color: inherit;
    text-align: center;
}

.purchase-card .editable-field input:focus {
    outline: none;
}

.delete-btn {
    background: none;
    border: none;
    color: #ff4444;
    cursor: pointer;
    margin-left: 10px;
}

.item-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
    width: 100%;
}

.item-name {
    font-weight: bold;
}

.item-date {
    margin-right: auto;
    margin-left: 10px;
    color: #666;
}

.item-details {
    display: flex;
    flex-direction: column;
    gap: 7px;
}

.details-row {
    display: flex;
    gap: 7px;
}

.quantity-weight {
    color: #444;
}

.unit-price {
    color: #444;
}

.total-price {
    color: #444;
    font-weight: bold;
}

.icon-container {
    display: flex;
    gap: 5px;
    margin-right: 10px;
}

.quantity-weight-row {
    display: flex;
    gap: 10px;
    margin-bottom: 10px;
}

.quantity-weight-row .quantity-input,
.quantity-weight-row .weight-input {
    flex: 1;
}

/* Unified form section styles for both purchase and sales pages */
#purchase-page .form-section label,
#purchase-page .form-section input,
#purchase-page .form-section button,
#sales-page .form-section label,
#sales-page .form-section input,
#sales-page .form-section button {
    font-family: 'Vazirmatn', sans-serif;
    font-weight: 500;
    color: var(--text-light);
}

body[data-theme="dark"] #purchase-page .form-section label,
body[data-theme="dark"] #purchase-page .form-section input,
body[data-theme="dark"] #purchase-page .form-section button,
body[data-theme="dark"] #sales-page .form-section label,
body[data-theme="dark"] #sales-page .form-section input,
body[data-theme="dark"] #sales-page .form-section button {
    color: var(--text-dark);
}

/* Unified list item styles */
#purchase-page .purchase-list-item,
#sales-page .purchase-list-item {
    font-family: 'Vazirmatn', sans-serif;
    font-weight: 500;
    color: var(--text-light);
    padding: 8px 12px;
    margin: 4px 0;
    border-radius: 4px;
    background-color: var(--card-bg-light);
}

body[data-theme="dark"] #purchase-page .purchase-list-item,
body[data-theme="dark"] #sales-page .purchase-list-item {
    color: var(--text-dark);
    background-color: var(--card-bg-dark);
}

/* Sales Page Styles - Matched to Purchase Page */
#sales-page .form-section {
    margin-bottom: 15px;
}

#sales-page .form-section label {
    display: block;
    margin-bottom: 5px;
    font-weight: 500;
}

#sales-page select,
#sales-page input[type="number"],
#sales-page textarea {
    width: 100%;
    padding: 8px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    background-color: var(--input-bg);
    color: var(--text-primary);
}

#sales-page #sales-list-container {
    margin-top: 7px;
}

#sales-page .item-list {
    list-style: none;
    padding: 0;
}

#sales-page .item-card {
    background: var(--item-bg);
    padding: 12px;
    margin-bottom: 8px;
    border-radius: 6px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

#sales-page .item-card-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: 5px;
}

#sales-page .item-name {
    font-weight: bold;
}

#sales-page .store-name {
    color: var(--text-secondary);
}

#sales-page .item-card-details {
    display: flex;
    justify-content: space-between;
    color: var(--text-secondary);
    font-size: 0.9em;
}

#sales-page .item-extra-info {
    margin-top: 5px;
    color: var(--text-secondary);
    font-style: italic;
}

#sales-page .empty-log {
    text-align: center;
    color: var(--text-secondary);
    padding: 15px 0;
}

#sales-log-grouped {
    margin-top: 15px;
}

#sales-log-grouped .log-group-item {
    display: flex;
    justify-content: space-between;
    padding: 8px 0;
    border-bottom: 1px solid var(--border-color);
}

#sales-log-grouped .log-item-name {
    font-weight: bold;
}

#sales-log-grouped .log-store-name {
    color: var(--text-secondary);
}

#sales-log-grouped .log-total {
    color: var(--accent-color);
}

/* Sales Page Form Styles */
#sales-page .purchase-form-box {
    background: var(--card-bg);
    padding: 20px;
    border-radius: 8px;
    margin-bottom: 20px;
}

#sales-page .quantity-weight-row {
    display: flex;
    gap: 15px;
}

#sales-page .quantity-input,
#sales-page .weight-input {
    flex: 1;
}

/* Apply visible borders to all sales page form fields */
#sales-store-select,
#sales-item-select,
#sales-quantity,
#sales-weight,
#sales-price,
#sales-extra-info {
    border: 1px solid #666 !important;
    box-shadow: 0 0 3px rgba(0,0,0,0.1);
}

#sales-store-select:focus,
#sales-item-select:focus,
#sales-quantity:focus,
#sales-weight:focus,
#sales-price:focus,
#sales-extra-info:focus {
    border-color: var(--primary-color) !important;
    outline: none;
    box-shadow: 0 0 5px rgba(0,0,0,0.2);
}

/* Make price input border more visible */
#sales-price {
    border: 1px solid #666 !important;
    box-shadow: 0 0 3px rgba(0,0,0,0.1);
}

#sales-price:focus {
    border-color: var(--primary-color) !important;
    outline: none;
    box-shadow: 0 0 5px rgba(0,0,0,0.2);
}

/* Apply consistent borders to purchase page form fields */
#purchase-store-select,
#purchase-item-select,
#purchase-quantity,
#purchase-weight,
#purchase-price,
#purchase-extra-info {
    border: 1px solid #666 !important;
    box-shadow: 0 0 3px rgba(0,0,0,0.1);
}

#purchase-store-select:focus,
#purchase-item-select:focus,
#purchase-quantity:focus,
#purchase-weight:focus,
#purchase-price:focus,
#purchase-extra-info:focus {
    border-color: var(--primary-color) !important;
    outline: none;
    box-shadow: 0 0 5px rgba(0,0,0,0.2);
}

/* Sales Page Form Styles */
#sales-page .form-section {
    margin-bottom: 15px;
}

#sales-page .form-section label {
    display: block;
    margin-bottom: 5px;
    font-weight: 500;
}

#sales-page select,
#sales-page input[type="number"],
#sales-page textarea {
    width: 100%;
    padding: 8px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    background-color: var(--input-bg);
    color: var(--text-primary);
}

#sales-page .quantity-weight-row {
    display: flex;
    gap: 15px;
}

#sales-page .quantity-input,
#sales-page .weight-input {
    flex: 1;
}

/* Sales Item Card Styles */
#sales-page .purchase-list-item {
    background: var(--item-bg);
    padding: 15px;
    border-radius: 6px;
}

#sales-page .item-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
}

#sales-page .item-name {
    font-weight: bold;
}

#sales-page .item-date {
    color: var(--text-secondary);
    font-size: 0.9em;
}

#sales-page .icon-container {
    display: flex;
    gap: 10px;
    margin-right: 10px;
}

#sales-page .item-details {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

#sales-page .details-row {
    display: flex;
    justify-content: space-between;
}

#sales-page .extra-info {
    margin-top: 10px;
    color: var(--text-secondary);
    font-style: italic;
}

#sales-page .empty-message {
    text-align: center;
    color: var(--text-secondary);
    padding: 20px 0;
}

/* Ensure sales page store selection matches purchase page */
#sales-page .form-section label,
#sales-page select {
    font-family: 'Vazirmatn', sans-serif;
    font-weight: 500;
    color: var(--text-light);
}

body[data-theme="dark"] #sales-page .form-section label,
body[data-theme="dark"] #sales-page select {
    color: var(--text-dark);
}

#sales-page select option {
    color: var(--text-light);
    background: var(--card-bg-light);
}

body[data-theme="dark"] #sales-page select option {
    color: var(--text-dark);
    background: var(--card-bg-dark);
}

#sales-page .form-section li {
    font-weight: 500;
    color: var(--text-light);
}

body[data-theme="dark"] #sales-page .form-section li {
    color: var(--text-dark);
}

/* Items Page form section */
#items-page .form-section label,
#items-page .form-section input,
#items-page .form-section button {
    font-family: 'Vazirmatn', sans-serif;
    font-weight: 500;
    color: var(--text-light);
}

body[data-theme="dark"] #items-page .form-section label,
body[data-theme="dark"] #items-page .form-section input,
body[data-theme="dark"] #items-page .form-section button {
    color: var(--text-dark);
}

/* Sales Page list items */
#sales-page .form-section li,
#sales-page .purchase-list-item {
    font-family: 'Vazirmatn', sans-serif;
    font-weight: 500;
    color: var(--text-light);
    padding: 8px 12px;
    margin: 4px 0;
    border-radius: 4px;
    background-color: var(--card-bg-light);
}

body[data-theme="dark"] #sales-page .form-section li,
body[data-theme="dark"] #sales-page .purchase-list-item {
    color: var(--text-dark);
    background-color: var(--card-bg-dark);
}

@media (max-width: 600px) {
    .app-header h1 {
        font-size: 1.2rem;
    }

    .nav-btn {
        padding: 8px 15px;
        font-size: 0.9rem;
    }

    .modal-content {
        width: 95%;
        margin: 10% auto;
    }

    .item-list li,
    .log-items-list li {
        flex-direction: column;
        align-items: flex-start;
        gap: 5px;
    }

    .sort-tabs {
        flex-direction: column;
        align-items: flex-start;
    }
}

.success-message {
    position: fixed;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    background-color: #4CAF50;
    color: white;
    padding: 15px;
    border-radius: 5px;
    z-index: 1000;
    animation: fadeInOut 3s ease-in-out;
}

@keyframes fadeInOut {
    0% { opacity: 0; }
    10% { opacity: 1; }
    90% { opacity: 1; }
    100% { opacity: 0; }
}

#donate-link b {
    color: blue;
}

#donate-link b {
    color: blue;
}

/* Inventory Box */
.inventory-box {
    background-color: white;
    border-radius: 12px;
    padding: 15px;
    margin: 15px 0;
    box-shadow: var(--shadow);
}

body[data-theme="dark"] .inventory-box {
    background-color: var(--card-bg-dark);
}
#add-item-btn {
    color: white !important;
}