* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html, body {
    width: 100%;
    overflow-x: hidden;
}

:root {
    --primary-color: #0084ff;
    --primary-dark: #0066cc;
    --secondary-color: #f0f2f5;
    --text-color: #1c1e21;
    --text-secondary: #65676b;
    --border-color: #e4e6eb;
    --bg-color: #ffffff;
    --bg-secondary: #f0f2f5;
    --success-color: #42b72a;
    --error-color: #f02849;
    --shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 4px 16px rgba(0, 0, 0, 0.15);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background-color: var(--bg-secondary);
    color: var(--text-color);
    line-height: 1.6;
}

/* Auth Page */
.auth-page {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 20px;
}

.auth-container {
    width: 100%;
    max-width: 400px;
}

.auth-card {
    background: var(--bg-color);
    border-radius: 12px;
    padding: 30px;
    box-shadow: var(--shadow-lg);
}

.auth-header {
    text-align: center;
    margin-bottom: 30px;
}

.auth-header i {
    font-size: 48px;
    color: var(--primary-color);
    margin-bottom: 10px;
}

.auth-header h1 {
    font-size: 28px;
    color: var(--text-color);
}

.auth-tabs {
    display: flex;
    gap: 10px;
    margin-bottom: 25px;
    border-bottom: 2px solid var(--border-color);
}

.auth-tab {
    flex: 1;
    padding: 12px;
    background: none;
    border: none;
    cursor: pointer;
    font-size: 16px;
    color: var(--text-secondary);
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
    transition: all 0.3s;
}

.auth-tab.active {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
    font-weight: 600;
}

.auth-form {
    display: none;
}

.auth-form.active {
    display: block;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--text-color);
    font-weight: 500;
}

.form-group label i {
    margin-right: 8px;
    color: var(--primary-color);
}

.form-group input {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 16px;
    transition: border-color 0.3s;
}

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

.btn-primary {
    width: 100%;
    padding: 12px;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.3s;
}

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

.btn-primary i {
    margin-right: 8px;
}

.auth-message {
    margin-top: 15px;
    padding: 12px;
    border-radius: 8px;
    display: none;
}

.auth-message.show {
    display: block;
}

.auth-message.success {
    background: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.auth-message.error {
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

/* App Container */
.app-container {
    display: flex;
    height: 100vh;
    overflow: hidden;
}

/* Sidebar */
.sidebar {
    width: 100%;
    max-width: 350px;
    background: var(--bg-color);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.sidebar-header {
    padding: 20px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.sidebar-header h2 {
    font-size: 24px;
    color: var(--primary-color);
}

.sidebar-header h2 i {
    margin-right: 10px;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 10px;
}

.user-info span {
    font-weight: 500;
    color: var(--text-color);
}

.profile-btn {
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
    border-radius: 50%;
    transition: all 0.3s;
    overflow: hidden;
    text-decoration: none;
    display: inline-block;
}

.profile-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--bg-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    color: var(--text-secondary);
    border: 2px solid var(--border-color);
    transition: all 0.3s;
}

.profile-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 50%;
}

.profile-btn:hover .profile-avatar {
    border-color: var(--primary-color);
    transform: scale(1.05);
}

.btn-icon {
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    color: var(--text-secondary);
    font-size: 18px;
    border-radius: 50%;
    transition: all 0.3s;
}

.btn-icon:hover {
    background: var(--bg-secondary);
    color: var(--primary-color);
}

.sidebar-tabs {
    display: flex;
    border-bottom: 1px solid var(--border-color);
    padding: 0 10px;
}

.tab-btn {
    flex: 1;
    padding: 15px 10px;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--text-secondary);
    font-size: 14px;
    border-bottom: 2px solid transparent;
    transition: all 0.3s;
    position: relative;
}

.tab-btn.active {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
}

.tab-btn i {
    margin-right: 5px;
}

.badge {
    position: absolute;
    top: 8px;
    right: 5px;
    background: var(--error-color);
    color: white;
    border-radius: 10px;
    padding: 2px 6px;
    font-size: 11px;
    font-weight: 600;
}

.tab-content {
    display: none;
    flex: 1;
    overflow-y: auto;
    padding: 10px;
}

.tab-content.active {
    display: flex;
    flex-direction: column;
}

.friends-list {
    flex: 1;
}

.friend-item {
    padding: 15px;
    border-radius: 8px;
    cursor: pointer;
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 12px;
    transition: background 0.3s;
}

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

.friend-item.active {
    background: var(--primary-color);
    color: white;
}

.friend-item.active .friend-name,
.friend-item.active .friend-username {
    color: white;
}

.avatar {
    width: 45px;
    height: 45px;
    border-radius: 50%;
    background: var(--bg-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    color: var(--text-secondary);
    flex-shrink: 0;
    overflow: hidden;
}

.avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.friend-item.active .avatar {
    background: rgba(255, 255, 255, 0.2);
    color: white;
}

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

.friend-name {
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 2px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.friend-username {
    font-size: 12px;
    color: var(--text-secondary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.unread-badge {
    background: var(--error-color);
    color: white;
    border-radius: 10px;
    padding: 4px 8px;
    font-size: 11px;
    font-weight: 600;
    margin-left: auto;
}

/* Chat Area */
.chat-area {
    flex: 1;
    display: flex;
    flex-direction: column;
    background: var(--bg-color);
}

.chat-placeholder {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
}

.chat-placeholder i {
    font-size: 64px;
    margin-bottom: 20px;
    opacity: 0.5;
}

.chat-window {
    flex: 1;
    display: flex;
    flex-direction: column;
    height: 100%;
    min-height: 0;
    overflow: hidden;
}

.chat-header {
    padding: 15px 20px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--bg-color);
}

.chat-header-actions {
    display: flex;
    align-items: center;
    gap: 8px;
}

.chat-user-info {
    display: flex;
    align-items: center;
    gap: 12px;
    flex: 1;
}

.mobile-back-btn {
    display: none;
}

@media (max-width: 768px) {
    .mobile-back-btn {
        display: block !important;
        margin-right: 8px;
    }
}

.chat-user-info h3 {
    font-size: 18px;
    margin-bottom: 2px;
}

.status {
    font-size: 12px;
    color: var(--text-secondary);
}

.messages-container {
    flex: 1;
    overflow-y: auto;
    padding: 20px;
    background: var(--bg-secondary);
    padding-bottom: 100px; /* Extra padding for fixed input box */
    min-height: 0;
    -webkit-overflow-scrolling: touch;
}

.messages {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.message {
    display: flex;
    gap: 10px;
    max-width: 70%;
    animation: slideIn 0.3s ease;
}

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

.message.sent {
    align-self: flex-end;
    flex-direction: row-reverse;
}

.message-avatar {
    width: 35px;
    height: 35px;
    border-radius: 50%;
    background: var(--bg-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    flex-shrink: 0;
    overflow: hidden;
}

.message-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.message-content {
    background: var(--bg-color);
    padding: 12px 16px;
    border-radius: 18px;
    box-shadow: var(--shadow);
    word-wrap: break-word;
    position: relative;
}

.message.sent .message-content {
    background: var(--primary-color);
    color: white;
}

.message-delete-btn {
    position: absolute;
    top: 8px;
    right: 8px;
    background: rgba(0, 0, 0, 0.3);
    border: none;
    color: white;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    cursor: pointer;
    display: none;
    align-items: center;
    justify-content: center;
    font-size: 11px;
    transition: all 0.3s;
    padding: 0;
}

.message:hover .message-delete-btn {
    display: flex;
}

.message-delete-btn:hover {
    background: rgba(240, 40, 73, 0.8);
    transform: scale(1.1);
}

.message.sent .message-delete-btn {
    background: rgba(255, 255, 255, 0.3);
}

.message.sent .message-delete-btn:hover {
    background: rgba(240, 40, 73, 0.9);
}

.message-image {
    max-width: 100%;
    border-radius: 12px;
    margin-top: 5px;
    cursor: pointer;
}

.message-time {
    font-size: 11px;
    color: var(--text-secondary);
    margin-top: 5px;
    padding: 0 4px;
}

.message.sent .message-time {
    color: rgba(255, 255, 255, 0.8);
    text-align: right;
}

.chat-input-container {
    padding: 15px 20px;
    border-top: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: 10px;
    background: var(--bg-color);
    flex-shrink: 0;
    position: sticky;
    bottom: 0;
    z-index: 10;
    box-shadow: 0 -2px 8px rgba(0, 0, 0, 0.1);
    width: 100%;
    box-sizing: border-box;
}

.file-upload-btn {
    cursor: pointer;
    padding: 10px;
    color: var(--primary-color);
    font-size: 20px;
    border-radius: 50%;
    transition: background 0.3s;
}

.file-upload-btn:hover {
    background: var(--bg-secondary);
}

#message-input {
    flex: 1;
    padding: 12px 16px;
    border: 1px solid var(--border-color);
    border-radius: 24px;
    font-size: 15px;
    outline: none;
}

#message-input:focus {
    border-color: var(--primary-color);
}

.send-btn {
    padding: 12px 20px;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: 24px;
    cursor: pointer;
    font-size: 16px;
    transition: background 0.3s;
}

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

.send-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Search */
.search-container {
    flex: 1;
    display: flex;
    flex-direction: column;
}

#search-input {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 15px;
    margin-bottom: 15px;
}

#search-results {
    flex: 1;
    overflow-y: auto;
}

.search-result-item {
    padding: 15px;
    border-radius: 8px;
    cursor: pointer;
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 12px;
    transition: background 0.3s;
    border: 1px solid var(--border-color);
}

.search-result-item:hover {
    background: var(--bg-secondary);
}

.search-result-item button {
    margin-left: auto;
    padding: 8px 16px;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-size: 14px;
}

/* Requests */
.requests-container h3 {
    font-size: 16px;
    margin: 20px 0 10px;
    color: var(--text-color);
}

.request-item {
    padding: 15px;
    border-radius: 8px;
    margin-bottom: 10px;
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: 12px;
}

.request-actions {
    margin-left: auto;
    display: flex;
    gap: 8px;
}

.request-actions button {
    padding: 8px 16px;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
}

.btn-accept {
    background: var(--success-color);
    color: white;
}

.btn-reject {
    background: var(--error-color);
    color: white;
}

.loading {
    text-align: center;
    padding: 40px;
    color: var(--text-secondary);
}

.empty-state {
    text-align: center;
    padding: 40px;
    color: var(--text-secondary);
}

.empty-state i {
    font-size: 48px;
    margin-bottom: 15px;
    opacity: 0.5;
}

/* Chat Page Container (for mobile separate chat page) */
.chat-page-container {
    height: 100vh;
    display: flex;
    flex-direction: column;
    background: var(--bg-color);
    overflow: hidden;
    width: 100%;
}

.chat-page-container .chat-window {
    height: 100%;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    flex: 1;
    min-height: 0;
}

.chat-page-container .chat-header {
    flex-shrink: 0;
    padding: 15px 20px;
    border-bottom: 1px solid var(--border-color);
    background: var(--bg-color);
}

.chat-page-container .chat-user-info {
    display: flex;
    align-items: center;
    gap: 12px;
    flex: 1;
}

.chat-page-container .mobile-back-btn {
    display: block;
    margin-right: 8px;
    color: var(--primary-color);
    text-decoration: none;
    padding: 8px;
    border-radius: 50%;
    transition: background 0.3s;
}

.chat-page-container .mobile-back-btn:hover {
    background: var(--bg-secondary);
}

.chat-page-container .messages-container {
    flex: 1;
    min-height: 0;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    padding: 20px;
    background: var(--bg-secondary);
    padding-bottom: 100px; /* Extra padding for fixed input box */
}

.chat-page-container .chat-input-container {
    flex-shrink: 0;
    padding: 15px 20px;
    border-top: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: 10px;
    background: var(--bg-color);
    position: sticky;
    bottom: 0;
    z-index: 10;
    box-shadow: 0 -2px 8px rgba(0, 0, 0, 0.1);
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .app-container {
        flex-direction: column;
        position: relative;
    }

    .sidebar {
        max-width: 100%;
        height: 100vh;
        transition: transform 0.3s ease;
    }

    /* Hide chat area on mobile - use separate chat.php page instead */
    .chat-area {
        display: none;
    }

    .message {
        max-width: 85%;
    }

    .sidebar-header h2 {
        font-size: 20px;
    }

    .messages-container {
        padding-bottom: 100px; /* Extra padding for fixed input box */
    }

    .chat-input-container {
        position: sticky;
        bottom: 0;
        background: var(--bg-color);
        z-index: 10;
        box-shadow: 0 -2px 8px rgba(0, 0, 0, 0.1);
        flex-shrink: 0;
    }
}

@media (max-width: 480px) {
    .auth-card {
        padding: 20px;
    }

    .sidebar-tabs {
        flex-wrap: wrap;
    }

    .tab-btn {
        font-size: 12px;
        padding: 12px 8px;
    }

    .message {
        max-width: 90%;
    }

    .chat-header {
        padding: 12px 15px;
    }

    .chat-header h3 {
        font-size: 16px;
    }
}

/* Profile Modal */
.profile-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    align-items: center;
    justify-content: center;
    padding: 20px;
    animation: fadeIn 0.3s ease;
}

.profile-modal.active {
    display: flex;
}

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

.profile-modal-content {
    background: var(--bg-color);
    border-radius: 12px;
    width: 100%;
    max-width: 500px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-lg);
    animation: slideUp 0.3s ease;
}

@keyframes slideUp {
    from {
        transform: translateY(20px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.profile-modal-header {
    padding: 20px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    background: var(--bg-color);
    z-index: 10;
}

.profile-modal-header h2 {
    font-size: 24px;
    color: var(--text-color);
    display: flex;
    align-items: center;
    gap: 10px;
}

.profile-modal-body {
    padding: 30px;
}

.profile-avatar-section {
    text-align: center;
    margin-bottom: 30px;
}

.profile-avatar-large {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    background: var(--bg-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 48px;
    color: var(--text-secondary);
    margin: 0 auto 15px;
    border: 4px solid var(--border-color);
    overflow: hidden;
}

.profile-avatar-large img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.btn-upload-avatar {
    display: inline-block;
    padding: 10px 20px;
    background: var(--primary-color);
    color: white;
    border-radius: 8px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    transition: background 0.3s;
}

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

.btn-upload-avatar i {
    margin-right: 8px;
}

.profile-info {
    margin: 20px 0;
    padding: 15px;
    background: var(--bg-secondary);
    border-radius: 8px;
}

.profile-info p {
    margin: 8px 0;
    color: var(--text-color);
    font-size: 14px;
}

.profile-info strong {
    color: var(--text-secondary);
    margin-right: 8px;
}

.profile-actions {
    display: flex;
    gap: 10px;
    margin-top: 25px;
}

.btn-secondary {
    padding: 12px 20px;
    background: var(--error-color);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    transition: background 0.3s;
    flex: 1;
}

.btn-secondary:hover {
    background: #d41e2f;
}

.btn-secondary i {
    margin-right: 8px;
}

.profile-message {
    margin-top: 15px;
    padding: 12px;
    border-radius: 8px;
    display: none;
}

.profile-message.show {
    display: block;
}

.profile-message.success {
    background: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.profile-message.error {
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

@media (max-width: 768px) {
    .profile-modal-content {
        max-width: 100%;
        max-height: 100vh;
        border-radius: 0;
    }

    .profile-modal {
        padding: 0;
    }

    .profile-actions {
        flex-direction: column;
    }
}

/* Profile Page Styles */
.profile-page-container {
    min-height: 100vh;
    background: var(--bg-secondary);
    display: flex;
    flex-direction: column;
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
}

.profile-page-header {
    background: var(--bg-color);
    padding: 15px 20px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow);
    width: 100%;
    box-sizing: border-box;
}

.profile-page-header h1 {
    font-size: 20px;
    color: var(--text-color);
    display: flex;
    align-items: center;
    gap: 10px;
    margin: 0;
    flex: 1;
    justify-content: center;
}

.profile-page-header h1 i {
    color: var(--primary-color);
}

.back-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
    padding: 8px 12px;
    border-radius: 8px;
    transition: background 0.3s;
    font-size: 14px;
}

.back-btn:hover {
    background: var(--bg-secondary);
}

.profile-page-content {
    flex: 1;
    padding: 30px 20px;
    max-width: 600px;
    width: 100%;
    margin: 0 auto;
    padding-bottom: 40px;
    box-sizing: border-box;
}

.profile-page-content form {
    width: 100%;
    box-sizing: border-box;
}

.profile-page-content .profile-avatar-section {
    text-align: center;
    margin-bottom: 30px;
}

.profile-page-content .profile-avatar-large {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    background: var(--bg-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 48px;
    color: var(--text-secondary);
    margin: 0 auto 15px;
    border: 4px solid var(--border-color);
    overflow: hidden;
}

.profile-page-content .profile-avatar-large img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.profile-page-content .form-group {
    margin-bottom: 20px;
}

.profile-page-content .form-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--text-color);
    font-weight: 500;
    font-size: 14px;
}

.profile-page-content .form-group label i {
    margin-right: 8px;
    color: var(--primary-color);
}

.profile-page-content .form-group input {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 15px;
    transition: border-color 0.3s;
    background: var(--bg-color);
    color: var(--text-color);
    box-sizing: border-box;
}

.profile-page-content .form-group input:focus {
    outline: none;
    border-color: var(--primary-color);
}

.profile-page-content .profile-info {
    margin: 20px 0;
    padding: 15px;
    background: var(--bg-color);
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.profile-page-content .profile-info p {
    margin: 8px 0;
    color: var(--text-color);
    font-size: 14px;
}

.profile-page-content .profile-info strong {
    color: var(--text-secondary);
    margin-right: 8px;
}

.profile-page-content .profile-actions {
    display: flex;
    gap: 10px;
    margin-top: 25px;
}

.profile-page-content .btn-primary {
    width: 100%;
    padding: 12px;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.3s;
    box-sizing: border-box;
}

.profile-page-content .btn-primary:hover {
    background: var(--primary-dark);
}

.profile-page-content .btn-primary i {
    margin-right: 8px;
}

.profile-page-content .profile-message {
    margin-top: 15px;
    padding: 12px;
    border-radius: 8px;
    display: none;
}

.profile-page-content .profile-message.show {
    display: block;
}

.profile-page-content .profile-message.success {
    background: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.profile-page-content .profile-message.error {
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

@media (max-width: 768px) {
    .profile-page-header {
        padding: 12px 15px;
    }

    .profile-page-header h1 {
        font-size: 18px;
    }

    .profile-page-content {
        padding: 20px 15px;
    }

    .profile-page-content .profile-avatar-large {
        width: 100px;
        height: 100px;
        font-size: 40px;
    }
}