/* Reset y Variables */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* Modo Claro (Default) */
:root {
    --color-primary: #538392;
    --color-secondary: #8FB6BF;
    --color-accent: #B1CCD2;
    --color-light: #D4E1E4;
    --color-white: #FFFFFF;
    --color-black: #000000;
    --color-text: #000000;
    --color-text-light: #333333;
    --color-bg: #FFFFFF;
    --color-bg-secondary: #D4E1E4;
    --color-bg-light: #F5F5F5;
    --shadow: 0 2px 8px rgba(83, 131, 146, 0.1);
    --shadow-hover: 0 4px 12px rgba(83, 131, 146, 0.2);
    --border-color: #B1CCD2;
}

/* Modo Oscuro */
[data-theme="dark"] {
    --color-primary: #393A5D;
    --color-secondary: #3C3E63;
    --color-accent: #4A4C7A;
    --color-light: #A9B3F2;
    --color-white: #FFFFFF;
    --color-black: #000000;
    --color-text: #FFFFFF;
    --color-text-light: #E0E0E0;
    --color-bg: #393A5D;
    --color-bg-secondary: #3C3E63;
    --color-bg-light: #4A4C7A;
    --shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-hover: 0 4px 12px rgba(0, 0, 0, 0.4);
    --border-color: #545EA0;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-bg-light);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    transition: background-color 0.3s ease, color 0.3s ease;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    width: 100%;
}

/* Header */
.header {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    color: var(--color-white);
    padding: 1rem 0;
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 100;
    transition: background 0.3s ease;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.logo a {
    color: var(--color-white);
    text-decoration: none;
    font-size: 1.5rem;
    font-weight: bold;
    transition: opacity 0.3s;
}

.logo a:hover {
    opacity: 0.9;
}

.nav {
    display: flex;
    gap: 1rem;
    align-items: center;
    flex-wrap: wrap;
}

.nav a {
    color: var(--color-white);
    text-decoration: none;
    padding: 0.5rem 1rem;
    border-radius: 6px;
    transition: background-color 0.3s, transform 0.2s;
}

.nav a:hover {
    background-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

.user-name {
    color: var(--color-white);
    font-weight: bold;
    margin-left: 1rem;
    padding: 0.5rem 1rem;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 6px;
}

/* Theme Toggle */
.theme-toggle {
    background-color: rgba(255, 255, 255, 0.2);
    border: none;
    color: var(--color-white);
    padding: 0.5rem 1rem;
    border-radius: 6px;
    cursor: pointer;
    font-size: 1.2rem;
    transition: background-color 0.3s;
}

.theme-toggle:hover {
    background-color: rgba(255, 255, 255, 0.3);
}

/* Main Content */
.main {
    flex: 1;
    padding: 2rem 0;
}

/* Page Header */
.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.page-header h1 {
    color: var(--color-primary);
    font-size: 2rem;
}

/* Buttons */
.btn-primary, .btn-secondary, .btn-link {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 6px;
    text-decoration: none;
    cursor: pointer;
    font-size: 1rem;
    transition: all 0.3s;
    text-align: center;
    font-weight: 500;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    color: var(--color-white);
    box-shadow: var(--shadow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
}

.btn-secondary {
    background-color: var(--color-accent);
    color: var(--color-text);
}

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

.btn-link {
    background-color: transparent;
    color: var(--color-primary);
    text-decoration: underline;
    padding: 0.5rem;
}

.btn-small {
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
    background-color: var(--color-primary);
    color: var(--color-white);
    text-decoration: none;
    border-radius: 6px;
    display: inline-block;
    transition: all 0.3s;
}

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

/* Products Grid */
.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.product-card {
    background-color: var(--color-bg);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: transform 0.3s, box-shadow 0.3s;
    display: flex;
    flex-direction: column;
    border: 1px solid var(--border-color);
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}

.product-card a {
    text-decoration: none;
    color: inherit;
    display: flex;
    flex-direction: column;
    flex: 1;
}

.product-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    background: linear-gradient(135deg, var(--color-light) 0%, var(--color-accent) 100%);
}

.product-image.placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-light);
    font-size: 1.2rem;
}

.product-info {
    padding: 1.5rem;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.product-name {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
    color: var(--color-primary);
    font-weight: 600;
}

.product-price {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--color-secondary);
    margin-bottom: 0.5rem;
}

.product-seller, .product-category {
    font-size: 0.9rem;
    color: var(--color-text-light);
    margin-bottom: 0.25rem;
}

.product-condition {
    display: inline-block;
    background-color: var(--color-light);
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.85rem;
    margin-top: 0.5rem;
    color: var(--color-text);
}

.product-stock {
    font-size: 0.85rem;
    color: var(--color-text-light);
    margin-top: 0.5rem;
}

.product-status {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.85rem;
    margin-top: 0.5rem;
}

.status-1 {
    background-color: #d4edda;
    color: #155724;
}

.status-2 {
    background-color: #fff3cd;
    color: #856404;
}

.status-3 {
    background-color: #f8d7da;
    color: #721c24;
}

.product-actions {
    padding: 1rem 1.5rem;
    border-top: 1px solid var(--border-color);
    display: flex;
    gap: 0.5rem;
    background-color: var(--color-bg-secondary);
}

/* Product Detail */
.product-detail {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    background-color: var(--color-bg);
    padding: 2rem;
    border-radius: 12px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
}

.product-detail-image {
    width: 100%;
    max-height: 500px;
    object-fit: contain;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--color-light) 0%, var(--color-accent) 100%);
}

.product-detail-info {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.product-detail-title {
    font-size: 2rem;
    color: var(--color-primary);
    font-weight: 600;
}

.product-detail-price {
    font-size: 2.5rem;
    font-weight: bold;
    color: var(--color-secondary);
}

.product-meta {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    padding: 1.5rem;
    background-color: var(--color-bg-secondary);
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.product-description {
    padding: 1rem 0;
}

.product-description h3 {
    margin-bottom: 0.75rem;
    color: var(--color-primary);
    font-size: 1.3rem;
}

.seller-info {
    padding: 1.5rem;
    background-color: var(--color-bg-secondary);
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.seller-info h3 {
    margin-bottom: 0.75rem;
    color: var(--color-primary);
    font-size: 1.3rem;
}

.product-actions {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}

.login-prompt {
    padding: 1.5rem;
    background-color: var(--color-bg-secondary);
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.login-prompt a {
    color: var(--color-primary);
    text-decoration: none;
    font-weight: 600;
}

.login-prompt a:hover {
    text-decoration: underline;
}

/* Filters */
.filters-section {
    background-color: var(--color-bg);
    padding: 1.5rem;
    border-radius: 12px;
    box-shadow: var(--shadow);
    margin-bottom: 2rem;
    border: 1px solid var(--border-color);
}

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

.filter-group {
    flex: 1;
    min-width: 200px;
}

.search-input, .select-input {
    width: 100%;
    padding: 0.75rem;
    border: 2px solid var(--border-color);
    border-radius: 6px;
    font-size: 1rem;
    background-color: var(--color-bg);
    color: var(--color-text);
    transition: border-color 0.3s;
}

.search-input:focus, .select-input:focus {
    outline: none;
    border-color: var(--color-primary);
}

/* Forms */
.form-container {
    max-width: 800px;
    margin: 0 auto;
    background-color: var(--color-bg);
    padding: 2rem;
    border-radius: 12px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
}

.product-form, .profile-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group label {
    font-weight: 600;
    color: var(--color-primary);
}

.form-group input,
.form-group textarea,
.form-group select {
    padding: 0.75rem;
    border: 2px solid var(--border-color);
    border-radius: 6px;
    font-size: 1rem;
    font-family: inherit;
    background-color: var(--color-bg);
    color: var(--color-text);
    transition: border-color 0.3s;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--color-primary);
}

.form-group textarea {
    resize: vertical;
}

.form-group small {
    font-size: 0.85rem;
    color: var(--color-text-light);
}

/* Auth */
.auth-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 80vh;
    padding: 2rem;
}

.auth-box {
    background-color: var(--color-bg);
    padding: 2.5rem;
    border-radius: 12px;
    box-shadow: var(--shadow);
    width: 100%;
    max-width: 400px;
    border: 1px solid var(--border-color);
}

.auth-box h1 {
    margin-bottom: 1.5rem;
    color: var(--color-primary);
    text-align: center;
    font-size: 2rem;
}

.auth-link {
    text-align: center;
    margin-top: 1rem;
}

.auth-link a {
    color: var(--color-primary);
    text-decoration: none;
    font-weight: 600;
}

.auth-link a:hover {
    text-decoration: underline;
}

.auth-link small {
    color: var(--color-text-light);
    display: block;
    margin-top: 0.5rem;
}

/* Messages */
.error-message {
    background-color: #f8d7da;
    color: #721c24;
    padding: 1rem;
    border-radius: 8px;
    margin-bottom: 1rem;
    border: 1px solid #f5c6cb;
}

.success-message {
    background-color: #d4edda;
    color: #155724;
    padding: 1rem;
    border-radius: 8px;
    margin-bottom: 1rem;
    border: 1px solid #c3e6cb;
}

/* Chat */
.chat-container {
    background-color: var(--color-bg);
    border-radius: 12px;
    box-shadow: var(--shadow);
    display: flex;
    flex-direction: column;
    height: 70vh;
    max-height: 800px;
    border: 1px solid var(--border-color);
}

.chat-header {
    padding: 1.5rem;
    border-bottom: 2px solid var(--border-color);
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    color: var(--color-white);
    border-radius: 12px 12px 0 0;
}

.chat-header h2 {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
    color: var(--color-white);
}

.chat-header a {
    color: var(--color-white);
    text-decoration: underline;
}

.chat-header p {
    font-size: 0.9rem;
    margin-bottom: 0.25rem;
    opacity: 0.9;
}

.chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    background-color: var(--color-bg-light);
}

.chat-messages::-webkit-scrollbar {
    width: 8px;
}

.chat-messages::-webkit-scrollbar-track {
    background: var(--color-bg-secondary);
}

.chat-messages::-webkit-scrollbar-thumb {
    background: var(--color-accent);
    border-radius: 4px;
}

.chat-messages::-webkit-scrollbar-thumb:hover {
    background: var(--color-secondary);
}

.message {
    max-width: 70%;
    padding: 1rem 1.25rem;
    border-radius: 12px;
    word-wrap: break-word;
    animation: fadeIn 0.3s ease-in;
}

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

.message-sent {
    align-self: flex-end;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    color: var(--color-white);
    border-bottom-right-radius: 4px;
}

.message-received {
    align-self: flex-start;
    background-color: var(--color-bg);
    color: var(--color-text);
    border: 1px solid var(--border-color);
    border-bottom-left-radius: 4px;
}

.message-time {
    font-size: 0.75rem;
    opacity: 0.7;
    display: block;
    margin-top: 0.5rem;
}

.chat-input {
    padding: 1.5rem;
    border-top: 2px solid var(--border-color);
    background-color: var(--color-bg);
    border-radius: 0 0 12px 12px;
}

.message-form {
    display: flex;
    gap: 1rem;
}

.message-form textarea {
    flex: 1;
    padding: 0.75rem;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    resize: none;
    font-family: inherit;
    background-color: var(--color-bg);
    color: var(--color-text);
    min-height: 60px;
}

.message-form textarea:focus {
    outline: none;
    border-color: var(--color-primary);
}

/* No Products */
.no-products {
    text-align: center;
    padding: 3rem;
    background-color: var(--color-bg);
    border-radius: 12px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
}

.no-products p {
    font-size: 1.2rem;
    color: var(--color-text-light);
    margin-bottom: 1rem;
}

/* Footer */
.footer {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    color: var(--color-white);
    padding: 1.5rem 0;
    text-align: center;
    margin-top: auto;
}

/* Settings */
.settings-container {
    display: grid;
    grid-template-columns: 250px 1fr;
    gap: 2rem;
    max-width: 1000px;
    margin: 0 auto;
}

.settings-sidebar {
    background-color: var(--color-bg);
    padding: 1.5rem;
    border-radius: 12px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
    height: fit-content;
    position: sticky;
    top: 100px;
}

.settings-sidebar ul {
    list-style: none;
}

.settings-sidebar li {
    margin-bottom: 0.5rem;
}

.settings-sidebar a {
    display: block;
    padding: 0.75rem 1rem;
    color: var(--color-text);
    text-decoration: none;
    border-radius: 6px;
    transition: background-color 0.3s;
}

.settings-sidebar a:hover,
.settings-sidebar a.active {
    background-color: var(--color-bg-secondary);
    color: var(--color-primary);
    font-weight: 600;
}

.settings-content {
    background-color: var(--color-bg);
    padding: 2rem;
    border-radius: 12px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
}

.settings-section {
    display: none;
}

.settings-section.active {
    display: block;
}

.settings-section h2 {
    color: var(--color-primary);
    margin-bottom: 1.5rem;
    font-size: 1.8rem;
}

.settings-group {
    margin-bottom: 2rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--border-color);
}

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

.settings-group h3 {
    color: var(--color-secondary);
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

.toggle-switch {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem;
    background-color: var(--color-bg-secondary);
    border-radius: 8px;
    margin-bottom: 1rem;
}

.toggle-switch label {
    font-weight: 500;
    color: var(--color-text);
}

.switch {
    position: relative;
    display: inline-block;
    width: 50px;
    height: 24px;
}

.switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--color-accent);
    transition: 0.3s;
    border-radius: 24px;
}

.slider:before {
    position: absolute;
    content: "";
    height: 18px;
    width: 18px;
    left: 3px;
    bottom: 3px;
    background-color: var(--color-white);
    transition: 0.3s;
    border-radius: 50%;
}

input:checked + .slider {
    background-color: var(--color-primary);
}

input:checked + .slider:before {
    transform: translateX(26px);
}

/* Notificaciones */
.notification-badge {
    position: relative;
    display: inline-block;
}

.notification-icon {
    font-size: 1.5rem;
    cursor: pointer;
    position: relative;
    padding: 0.5rem;
    border-radius: 50%;
    transition: background-color 0.3s;
}

.notification-icon:hover {
    background-color: rgba(255, 255, 255, 0.2);
}

.notification-count {
    position: absolute;
    top: 0;
    right: 0;
    background-color: #e74c3c;
    color: white;
    border-radius: 50%;
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: bold;
    border: 2px solid var(--color-primary);
}

.notification-count.hidden {
    display: none;
}

/* Modal Chat */
.chat-modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    animation: fadeIn 0.3s ease-in;
}

.chat-modal.active {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

.chat-modal-content {
    background-color: var(--color-bg);
    border-radius: 12px;
    box-shadow: var(--shadow-hover);
    width: 100%;
    max-width: 600px;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    border: 1px solid var(--border-color);
    animation: slideUp 0.3s ease-out;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.chat-modal-header {
    padding: 1.5rem;
    border-bottom: 2px solid var(--border-color);
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    color: var(--color-white);
    border-radius: 12px 12px 0 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.chat-modal-header h3 {
    margin: 0;
    font-size: 1.2rem;
}

.chat-modal-close {
    background: none;
    border: none;
    color: var(--color-white);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 50%;
    transition: background-color 0.3s;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.chat-modal-close:hover {
    background-color: rgba(255, 255, 255, 0.2);
}

.chat-modal-body {
    flex: 1;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    max-height: calc(90vh - 120px);
}

.chat-modal-messages {
    flex: 1;
    overflow-y: auto;
    padding: 1rem;
    background-color: var(--color-bg-light);
    min-height: 300px;
    max-height: 500px;
}

.chat-modal-input {
    padding: 1rem;
    border-top: 2px solid var(--border-color);
    background-color: var(--color-bg);
}

.chat-modal-input form {
    display: flex;
    gap: 0.5rem;
}

.chat-modal-input textarea {
    flex: 1;
    padding: 0.75rem;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    resize: none;
    font-family: inherit;
    background-color: var(--color-bg);
    color: var(--color-text);
    min-height: 50px;
    max-height: 100px;
}

.chat-modal-input textarea:focus {
    outline: none;
    border-color: var(--color-primary);
}

/* Lista de Chats */
.chats-list {
    position: absolute;
    top: 100%;
    right: 0;
    background-color: var(--color-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    box-shadow: var(--shadow-hover);
    min-width: 300px;
    max-width: 400px;
    max-height: 500px;
    overflow-y: auto;
    z-index: 100;
    margin-top: 0.5rem;
    display: none;
}

.chats-list.active {
    display: block;
    animation: slideDown 0.3s ease-out;
}

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

.chat-item {
    padding: 1rem;
    border-bottom: 1px solid var(--border-color);
    cursor: pointer;
    transition: background-color 0.3s;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.chat-item:hover {
    background-color: var(--color-bg-secondary);
}

.chat-item:last-child {
    border-bottom: none;
}

.chat-item-info {
    flex: 1;
    min-width: 0;
}

.chat-item-title {
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: 0.25rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.chat-item-message {
    font-size: 0.85rem;
    color: var(--color-text-light);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.chat-item-badge {
    background-color: var(--color-secondary);
    color: var(--color-white);
    border-radius: 50%;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: bold;
    margin-left: 0.5rem;
    flex-shrink: 0;
}

.chat-item-badge.hidden {
    display: none;
}

/* Notificación del navegador */
.browser-notification {
    position: fixed;
    top: 20px;
    right: 20px;
    background-color: var(--color-bg);
    border: 2px solid var(--color-primary);
    border-radius: 8px;
    padding: 1rem;
    box-shadow: var(--shadow-hover);
    z-index: 2000;
    min-width: 300px;
    max-width: 400px;
    animation: slideInRight 0.3s ease-out;
    cursor: pointer;
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(100%);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.browser-notification-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.5rem;
}

.browser-notification-title {
    font-weight: 600;
    color: var(--color-primary);
    font-size: 1rem;
}

.browser-notification-close {
    background: none;
    border: none;
    font-size: 1.2rem;
    cursor: pointer;
    color: var(--color-text-light);
    padding: 0;
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.browser-notification-message {
    font-size: 0.9rem;
    color: var(--color-text);
    margin-bottom: 0.25rem;
}

.browser-notification-time {
    font-size: 0.75rem;
    color: var(--color-text-light);
}

/* Responsive */
@media (max-width: 768px) {
    .product-detail {
        grid-template-columns: 1fr;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .products-grid {
        grid-template-columns: 1fr;
    }
    
    .header-content {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .nav {
        width: 100%;
        margin-top: 1rem;
    }
    
    .filters-form {
        flex-direction: column;
    }
    
    .filter-group {
        width: 100%;
    }
    
    .message {
        max-width: 85%;
    }
    
    .settings-container {
        grid-template-columns: 1fr;
    }
    
    .settings-sidebar {
        position: relative;
        top: 0;
    }
    
    .chat-modal.active {
        padding: 0;
    }
    
    .chat-modal-content {
        max-width: 100%;
        max-height: 100vh;
        border-radius: 0;
    }
    
    .chats-list {
        min-width: 250px;
        max-width: 300px;
    }
    
    .browser-notification {
        min-width: 250px;
        max-width: 300px;
        right: 10px;
        top: 10px;
    }
}