:root {
    --bg-primary: #FAF8F5;
    --bg-card: #FFFFFF;
    --border-color: #E8E4DF;
    --text-primary: #2D2926;
    --text-secondary: #6B6560;
    --text-muted: #A09A94;
    --accent: #DB3700;
    --accent-hover: #B82E00;
    --success: #10B981;
    --danger: #EF4444;
    --danger-hover: #DC2626;
}

body {
    background-color: var(--bg-primary);
}

.account-body {
    padding-top: 5rem;
    min-height: calc(100vh - 5rem);
    background-color: var(--bg-primary);
}

.auth-wrapper {
    width: 100%;
    max-width: 24rem;
    margin: 0 auto;
    padding: 0 1rem;
}

.auth-container {
    width: 100%;
    margin: 2rem 0;
    padding: 2rem;
    background-color: var(--bg-card);
    border-radius: 0.75rem;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.06);
    border: 1px solid var(--border-color);
}

.auth-form {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

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

.form-group label {
    font-weight: 600;
    font-family: var(--heading-font-family), sans-serif;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-secondary);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: 0.375rem;
    font-size: 0.9375rem;
    transition: border-color 0.2s, box-shadow 0.2s;
    background-color: var(--bg-card);
    color: var(--text-primary);
    box-sizing: border-box;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(219, 55, 0, 0.08);
}

.form-group textarea {
    resize: vertical;
    min-height: 8rem;
}

.form-options {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-direction: row;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.checkbox-label input[type="checkbox"] {
    width: 1rem;
    height: 1rem;
    margin: 0;
    accent-color: var(--accent);
}

.forgot-password {
    font-size: 0.875rem;
    color: var(--accent);
    text-decoration: none;
}

.forgot-password:hover {
    text-decoration: underline;
}

.auth-divider {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin: 1.5rem 0;
}

.auth-divider::before,
.auth-divider::after {
    content: "";
    flex: 1;
    height: 1px;
    background-color: var(--border-color);
}

.auth-footer {
    text-align: center;
    margin-top: 1.5rem;
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.auth-footer a {
    color: var(--accent);
    text-decoration: none;
}

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

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.25rem;
    font-size: 0.9375rem;
    font-weight: 600;
    font-family: var(--heading-font-family), sans-serif;
    border-radius: 0.5rem;
    cursor: pointer;
    transition: all 0.2s ease;
    border: none;
    min-height: 2.75rem;
    box-sizing: border-box;
    width: auto;
    line-height: 1;
}

.btn-primary {
    background-color: var(--accent);
    color: #FFFFFF;
}

.btn-primary:hover:not(:disabled) {
    background-color: var(--accent-hover);
    transform: translateY(-0.5px);
}

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

.btn-outline {
    background-color: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-outline:hover {
    border-color: var(--accent);
    color: var(--accent);
}

.btn-danger {
    background-color: var(--danger);
    color: #FFFFFF;
}

.btn-danger:hover:not(:disabled) {
    background-color: var(--danger-hover);
}

.btn-danger:disabled {
    background-color: #E5E7EB;
    cursor: not-allowed;
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
    min-height: 2.25rem;
}

.btn-block {
    width: 100%;
}

.dashboard-layout {
    display: flex;
    min-height: calc(100vh - 5rem);
    background-color: var(--bg-primary);
}

.dashboard-sidebar {
    width: 16rem;
    padding: 1.5rem 0;
    border-right: 1px solid var(--border-color);
    position: fixed;
    left: 0;
    top: 5rem;
    height: calc(100vh - 5rem);
    background-color: var(--bg-card);
}

.sidebar-menu {
    list-style: none;
    margin: 0;
    padding: 0 1rem;
}

.sidebar-menu li {
    margin-bottom: 0.25rem;
}

.sidebar-menu li a {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.625rem 0.875rem;
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: 0.5rem;
    transition: background-color 0.2s, color 0.2s;
    font-size: 0.9375rem;
}

.sidebar-menu li a:hover {
    background-color: rgba(0, 0, 0, 0.04);
    color: var(--text-primary);
}

.sidebar-menu li.active a {
    background-color: var(--accent);
    color: #FFFFFF;
}

.dashboard-content {
    flex: 1;
    padding: 2rem;
    margin-left: 16rem;
}

.content-section {
    display: none;
}

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

.profile-container {
    max-width: 48rem;
    background-color: var(--bg-card);
    border-radius: 0.75rem;
    padding: 2rem;
    box-shadow: 0 1px 10px rgba(0, 0, 0, 0.04);
    border: 1px solid var(--border-color);
}

.profile-header {
    display: flex;
    align-items: center;
    gap: 2rem;
    margin-bottom: 2rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--border-color);
}

.avatar-container {
    position: relative;
}

.avatar {
    width: 6rem;
    height: 6rem;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--border-color);
    background-color: #F5F5F5;
}

.change-avatar-btn {
    position: absolute;
    bottom: 0.25rem;
    right: 0.25rem;
    width: 2.25rem;
    height: 2.25rem;
    border-radius: 50%;
    background-color: var(--accent);
    color: #FFFFFF;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.875rem;
    transition: transform 0.2s;
    box-shadow: 0 2px 8px rgba(219, 55, 0, 0.3);
}

.change-avatar-btn:hover {
    transform: scale(1.05);
}

.profile-info h2 {
    margin: 0 0 0.375rem 0;
    font-size: 1.25rem;
    color: var(--text-primary);
}

.profile-info p {
    margin: 0;
    color: var(--text-muted);
    font-size: 0.9375rem;
}

.profile-edit-btn {
    margin-top: auto;
    align-self: flex-start;
}

.profile-readonly {
    margin-top: 1.5rem;
}

.profile-readonly .profile-row {
    display: flex;
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--border-color);
}

.profile-readonly .profile-row:last-child {
    border-bottom: none;
}

.profile-readonly .profile-label {
    width: 7rem;
    font-weight: 500;
    color: var(--text-muted);
    font-size: 0.875rem;
}

.profile-readonly .profile-value {
    flex: 1;
    color: var(--text-primary);
    font-size: 0.9375rem;
}

.profile-readonly .profile-value.empty {
    color: var(--text-muted);
    font-style: italic;
}

.profile-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-top: 1.5rem;
}

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

.form-actions {
    display: flex;
    gap: 1rem;
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-color);
}

.form-actions .btn {
    width: auto;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.user-name {
    font-weight: 500;
    color: var(--text-primary);
}

.logout-btn {
    background-color: transparent;
    border: 1px solid var(--border-color);
    padding: 0.5rem 1rem;
    border-radius: 0.5rem;
    font-size: 0.875rem;
    cursor: pointer;
    transition: border-color 0.2s, color 0.2s;
    color: var(--text-secondary);
}

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

.friends-list,
.posts-list,
.security-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    max-width: 40rem;
}

.friend-card,
.post-card,
.security-card {
    background-color: var(--bg-card);
    border-radius: 0.5rem;
    padding: 1.25rem;
    box-shadow: 0 1px 6px rgba(0, 0, 0, 0.04);
    border: 1px solid var(--border-color);
}

.post-card {
    display: flex;
    flex-direction: column;
}

.post-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    margin-bottom: 0.75rem;
}

.post-header h3 {
    margin: 0;
    font-size: 1.125rem;
    color: var(--text-primary);
}

.post-date {
    font-size: 0.875rem;
    color: var(--text-muted);
}

.post-card p {
    margin: 0 0 1rem 0;
    line-height: 1.6;
    color: var(--text-secondary);
}

.post-actions,
.friend-actions {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.friend-card {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.friend-avatar img {
    width: 3rem;
    height: 3rem;
    border-radius: 50%;
    object-fit: cover;
    background-color: #F5F5F5;
}

.friend-info h3 {
    margin: 0 0 0.25rem 0;
    color: var(--text-primary);
}

.friend-info p {
    margin: 0;
    color: var(--text-muted);
    font-size: 0.875rem;
}

.security-section {
    margin-bottom: 2rem;
}

.security-section:last-child {
    margin-bottom: 0;
}

.security-section h2 {
    font-size: 1.125rem;
    margin: 0 0 1rem 0;
    color: var(--text-primary);
}

.security-card {
    margin-bottom: 1rem;
    max-width: 40rem;
}

.security-card:last-child {
    margin-bottom: 0;
}

.security-card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 1rem;
}

.security-card-title {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.security-card-title svg {
    width: 1.5rem;
    height: 1.5rem;
    color: var(--accent);
}

.security-card-title h3 {
    margin: 0;
    font-size: 1rem;
    color: var(--text-primary);
}

.security-card-body {
    padding-left: 2.25rem;
}

.device-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--border-color);
}

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

.device-info h4 {
    margin: 0 0 0.125rem 0;
    font-size: 0.9375rem;
    color: var(--text-primary);
}

.device-info p {
    margin: 0;
    font-size: 0.875rem;
    color: var(--text-muted);
}

.security-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    max-width: 24rem;
}

.oauth-provider {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.75rem;
    background-color: var(--bg-primary);
    border-radius: 0.5rem;
}

.oauth-provider svg {
    width: 1.75rem;
    height: 1.75rem;
}

.oauth-provider-info {
    flex: 1;
}

.oauth-provider-info h4 {
    margin: 0 0 0.125rem 0;
    font-size: 0.9375rem;
    color: var(--text-primary);
}

.oauth-provider-info p {
    margin: 0;
    font-size: 0.875rem;
    color: var(--text-muted);
}

.empty-state {
    text-align: center;
    padding: 3rem 2rem;
    color: var(--text-muted);
    font-size: 0.9375rem;
}

.empty-state svg {
    width: 4rem;
    height: 4rem;
    margin-bottom: 1rem;
    opacity: 0.5;
}

.loading {
    text-align: center;
    padding: 2rem;
    color: var(--text-muted);
    font-size: 0.9375rem;
}

.modal {
    display: none;
    position: fixed;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    align-items: center;
    justify-content: center;
    z-index: 1000;
    backdrop-filter: blur(2px);
}

.modal-content {
    background-color: var(--bg-card);
    border-radius: 0.75rem;
    max-width: 32rem;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--border-color);
}

.modal-header h3 {
    margin: 0;
    font-size: 1.125rem;
    color: var(--text-primary);
}

.modal-close {
    background: none;
    border: none;
    font-size: 1.25rem;
    cursor: pointer;
    color: var(--text-muted);
    line-height: 1;
    padding: 0;
    width: 2rem;
    height: 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-close:hover {
    color: var(--text-primary);
}

.modal form {
    padding: 1.5rem;
}

.toast {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    padding: 1rem 1.25rem;
    border-radius: 0.5rem;
    color: #FFFFFF;
    font-size: 0.9375rem;
    z-index: 2000;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.3s, transform 0.3s;
}

.toast.show {
    opacity: 1;
    transform: translateY(0);
}

.toast.success {
    background-color: var(--success);
}

.toast.error {
    background-color: var(--danger);
}

@media (max-width: 768px) {
    .auth-wrapper {
        padding: 0 0.75rem;
    }
    
    .auth-container {
        margin: 1rem 0;
        padding: 1.5rem;
    }

    .dashboard-layout {
        flex-direction: column;
    }

    .dashboard-sidebar {
        position: relative;
        width: 100%;
        height: auto;
        border-right: none;
        border-bottom: 1px solid var(--border-color);
        padding: 1rem 0;
        top: auto;
    }

    .sidebar-menu {
        display: flex;
        flex-wrap: wrap;
        gap: 0.25rem;
        padding: 0 0.75rem;
    }

    .sidebar-menu li {
        margin-bottom: 0;
    }

    .sidebar-menu li a {
        padding: 0.5rem 0.875rem;
        font-size: 0.875rem;
    }

    .dashboard-content {
        margin-left: 0;
        padding: 1rem;
    }

    .profile-container {
        padding: 1.5rem;
    }

    .profile-header {
        flex-direction: column;
        text-align: center;
        gap: 1.25rem;
    }

    .profile-edit-btn {
        align-self: center;
    }

    .profile-readonly .profile-row {
        flex-direction: column;
        gap: 0.5rem;
    }

    .profile-readonly .profile-label {
        width: auto;
    }

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

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

    .form-actions .btn {
        width: 100%;
    }

    .friend-card {
        flex-direction: column;
        align-items: flex-start;
    }

    .friend-actions {
        width: 100%;
        justify-content: flex-end;
    }

    .device-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.75rem;
    }

    .user-info {
        flex-direction: column;
        gap: 0.5rem;
    }
}