/* ===== BtheK-AI Avatar Creation Page - Modern 16.png Style ===== */

/* ===== Reset & Base Styles ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Color Palette - Purple/Pink Theme */
    --primary-gradient: linear-gradient(135deg, #5e42a6 0%, #b74e91 100%);
    --secondary-gradient: linear-gradient(135deg, #b74e91 0%, #5e42a6 100%);
    --dark-bg: #312450;
    --card-bg: rgba(255, 255, 255, 0.05);
    --border-color: rgba(255, 255, 255, 0.15);
    --text-primary: #ffffff;
    --text-secondary: rgba(255, 255, 255, 0.7);
    --accent-pink: #b74e91;
    --accent-purple: #5e42a6;
    --hover-color: #b74e91;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 1rem;
    --radius-xl: 2rem;
}

body {
    font-family: "Source Sans Pro", Helvetica, sans-serif;
    background: var(--dark-bg);
    color: var(--text-primary);
    line-height: 1.65;
    font-weight: 300;
    font-size: 16pt;
    min-height: 100vh;
    overflow-x: hidden;
}

/* ===== Header Override (prevent conflicts with main.css) ===== */
#header {
    position: fixed !important;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 10001 !important;
}

#wrapper {
    padding-top: 5rem;
}

/* ===== Main Container ===== */
.avatar-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-xl) var(--spacing-md);
}

/* ===== Header ===== */
.avatar-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
    padding: var(--spacing-lg) 0;
    border-bottom: solid 1px var(--border-color);
}

.title {
    font-size: 2.5rem;
    font-weight: 300;
    letter-spacing: 0.075em;
    margin-bottom: var(--spacing-sm);
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--text-primary);
}

.beta-badge {
    display: inline-block;
    padding: 0.3rem 0.8rem;
    background: var(--accent-pink);
    border-radius: 0.35rem;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    vertical-align: middle;
    box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.15);
}

.subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
    font-weight: 300;
    letter-spacing: 0.05em;
}

/* ===== Avatar Display Section ===== */
.avatar-display-section {
    margin-bottom: var(--spacing-xl);
}

/* ===== Hedra Container Style (getstyle.css와 동일) ===== */
.hedra-container {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    padding: 2rem;
}

/* 상단 컨트롤 래퍼 (이미지 밖) */
.top-controls-wrapper {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.9375rem; /* 15px - 컨트롤들을 650px에 딱 맞게 배치 */
    margin-bottom: var(--spacing-lg);
    /* 이미지 영역과 동일한 너비로 정렬 */
    width: 100%;
    max-width: 650px;
    margin-left: auto;
    margin-right: auto;
    flex-wrap: nowrap; /* 한 줄에 배치 */
}

/* 좌측: 스타일 드롭다운 */
.top-left-control {
    flex: 0 0 200px; /* 고정 너비 200px */
}

/* 우측: Create Avatar 버튼 */
.top-right-control {
    flex: 0 0 220px; /* 고정 너비 220px - 버튼 텍스트 + 아이콘에 충분한 공간 */
}

/* 상단 스타일 드롭다운 */
.style-dropdown-top {
    width: 100%; /* 부모 컨테이너 너비에 맞춤 */
    height: 44px;
    padding: 0 2.5rem 0 1.2rem;
    background: rgba(49, 36, 80, 0.35);
    backdrop-filter: blur(25px);
    border: solid 1px rgba(183, 78, 145, 0.25);
    border-radius: 22px;
    color: var(--text-primary);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    outline: none;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 6'%3E%3Cpath fill='%23b74e91' d='M5 6L0 0h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
}

.style-dropdown-top:hover {
    background: rgba(94, 66, 166, 0.45);
    border-color: var(--accent-pink);
    transform: translateY(-1px);
    box-shadow: 0 4px 15px rgba(183, 78, 145, 0.3);
}

.style-dropdown-top:focus {
    background: rgba(94, 66, 166, 0.5);
    border-color: var(--accent-pink);
    box-shadow: 0 0 0 3px rgba(183, 78, 145, 0.2);
}

.style-dropdown-top option {
    background: rgba(49, 36, 80, 0.98);
    backdrop-filter: blur(10px);
    color: var(--text-primary);
    padding: 1rem;
    font-size: 0.9rem;
    font-weight: 500;
    border-bottom: solid 1px rgba(183, 78, 145, 0.1);
}

/* 우측: Create Avatar 버튼 */
.top-right-control {
    flex: 0 0 220px; /* 고정 너비 220px - 버튼 텍스트 + 아이콘에 충분한 공간 */
}

/* Create Avatar 버튼 */
.btn-create-top {
    width: 100%; /* 부모 컨테이너 너비에 맞춤 */
    height: 44px;
    padding: 0 1.2rem;
    background: var(--primary-gradient);
    border: none;
    border-radius: 22px;
    color: var(--text-primary);
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 4px 15px rgba(183, 78, 145, 0.4);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    white-space: nowrap;
}

.btn-create-top:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(183, 78, 145, 0.5);
}

.btn-create-top:active {
    transform: translateY(0);
    box-shadow: 0 4px 15px rgba(183, 78, 145, 0.4);
}

/* 중앙: 아바타 이미지 영역 (3:4 비율) */
.avatar-image-wrapper {
    position: relative; /* 오버레이 포지셔닝을 위해 필수 */
    width: 100%;
    max-width: 650px;
    height: 867px;
    margin: 0 auto;
    background: rgba(0, 0, 0, 0.4); /* 여백 배경색 - 이미지 비율 유지 시 여백 표시 */
    border: solid 1px var(--border-color);
    border-radius: var(--radius-md);
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* 아바타 배경 이미지 */
.background-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    display: block;
    transition: filter 0.3s ease; /* 블러 전환 효과 */
}

/* 업로드된 사용자 이미지: 전체 표시, 비율 유지 */
.background-img.user-uploaded {
    object-fit: contain; /* 전체 이미지 표시, 여백 허용 */
}

/* 로딩 중 이미지 블러 효과 */
.avatar-image-wrapper.loading .background-img {
    filter: blur(8px);
}

/* 하단: 스타일 입력 영역 (이미지 밖) */
.bottom-chat-wrapper {
    width: 100%;
    max-width: 650px;
    margin: 0 auto;
    padding: 0;
}

.chat-input-row {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    width: 100%;
}

/* Style 레이블 버튼 */
.btn-style-label {
    background: var(--primary-gradient);
    color: #ffffff !important;
    border: none;
    padding: 0 1.5rem;
    height: 2.75rem;
    border-radius: 0.375rem;
    cursor: default;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.075em;
    text-transform: uppercase;
    box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.15);
    opacity: 0.9;
    flex-shrink: 0;
    min-width: 80px;
}

.btn-style-label:disabled {
    cursor: default;
    opacity: 0.9;
}

/* 커스텀 스타일 입력 필드 */
.chat-input-hedra {
    flex: 1 1 auto;
    min-width: 0;
    padding: 0.7rem 1.25rem;
    background: rgba(255, 255, 255, 0.03);
    border: solid 1px rgba(255, 255, 255, 0.08);
    border-radius: 1.5rem;
    color: var(--text-primary);
    font-size: 0.95rem;
    outline: none;
    transition: all 0.25s ease;
}

.chat-input-hedra:focus {
    background: rgba(255, 255, 255, 0.06);
    border-color: var(--accent-pink);
    box-shadow: 0 0 0 3px rgba(183, 78, 145, 0.15);
}

.chat-input-hedra::placeholder {
    color: rgba(255, 255, 255, 0.4);
}

/* ===== Avatar Display (After Upload) ===== */
.avatar-display {
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: 0;
}

.avatar-image-container {
    position: relative;
    width: 100%;
    border-radius: var(--radius-md);
    overflow: hidden;
}

#mainAvatarImage {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
}

/* ===== 16.png Style Overlay Controls (Inside Image) ===== */
.avatar-controls-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(10px);
    border-top: solid 1px rgba(255, 255, 255, 0.1);
    z-index: 100;
}

.avatar-style-select {
    flex: 1;
    max-width: 250px;
    padding: 0.75rem 1rem;
    background: rgba(255, 255, 255, 0.1);
    border: solid 1px rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 0.95rem;
    font-weight: 400;
    cursor: pointer;
    transition: all 0.2s ease-in-out;
    outline: none;
}

.avatar-style-select:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: var(--accent-pink);
}

.avatar-style-select:focus {
    background: rgba(255, 255, 255, 0.2);
    border-color: var(--accent-pink);
    box-shadow: 0 0 0 3px rgba(183, 78, 145, 0.2);
}

.avatar-style-select option {
    background: var(--dark-bg);
    color: var(--text-primary);
}

.btn-create-avatar {
    padding: 0.75rem 1.5rem;
    background: var(--primary-gradient);
    border: none;
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease-in-out;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    box-shadow: 0 4px 15px rgba(183, 78, 145, 0.3);
}

.btn-create-avatar:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(183, 78, 145, 0.4);
}

.btn-create-avatar:active {
    transform: translateY(0);
}

/* ===== Chat Container (Below Image) ===== */
.chat-container-below-image {
    width: 100%;
    margin-top: var(--spacing-lg);
    background: var(--card-bg);
    border: solid 1px var(--border-color);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.chat-header {
    padding: var(--spacing-md);
    background: rgba(94, 66, 166, 0.2);
    border-bottom: solid 1px var(--border-color);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.chat-header i {
    color: var(--accent-pink);
    font-size: 1.2rem;
}

.chat-header h3 {
    font-size: 1.1rem;
    font-weight: 400;
    letter-spacing: 0.05em;
    margin: 0;
}

.chat-messages {
    padding: var(--spacing-md);
    min-height: 200px;
    max-height: 400px;
    overflow-y: auto;
}

.chat-welcome {
    text-align: center;
    padding: var(--spacing-xl);
    color: var(--text-secondary);
}

.chat-welcome i {
    font-size: 3rem;
    color: var(--accent-purple);
    margin-bottom: var(--spacing-md);
    display: block;
}

.chat-welcome p {
    font-size: 1.2rem;
    margin-bottom: var(--spacing-xs);
}

.chat-hint {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.4);
    display: block;
    margin-top: var(--spacing-xs);
}

.chat-input-container {
    padding: var(--spacing-md);
    background: rgba(0, 0, 0, 0.2);
    border-top: solid 1px var(--border-color);
}

.chat-input-wrapper {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.chat-input-modern {
    flex: 1;
    padding: 0.75rem 1rem;
    background: rgba(255, 255, 255, 0.05);
    border: solid 1px rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 0.95rem;
    outline: none;
    transition: all 0.2s ease-in-out;
}

.chat-input-modern:focus {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--accent-pink);
    box-shadow: 0 0 0 3px rgba(183, 78, 145, 0.2);
}

.btn-voice-modern,
.btn-send-modern {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    border: none;
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.2s ease-in-out;
    display: flex;
    align-items: center;
    justify-content: center;
}

.btn-voice-modern:hover,
.btn-send-modern:hover {
    background: var(--accent-pink);
    transform: scale(1.05);
}

.btn-send-modern {
    background: var(--primary-gradient);
}

/* ===== Avatar Gallery ===== */
.avatar-gallery-section {
    margin-bottom: var(--spacing-xl);
}

.gallery-header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-md);
    border-bottom: solid 1px var(--border-color);
}

.gallery-header h3 {
    font-size: 1.5rem;
    font-weight: 300;
    letter-spacing: 0.075em;
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.gallery-header i {
    color: var(--accent-pink);
}

.avatar-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: var(--spacing-md);
}

.gallery-item {
    position: relative;
    aspect-ratio: 1;
    background: var(--card-bg);
    border: solid 1px var(--border-color);
    border-radius: var(--radius-md);
    overflow: hidden;
    cursor: pointer;
    transition: all 0.3s ease-in-out;
}

.gallery-item:hover {
    border-color: var(--accent-pink);
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(183, 78, 145, 0.3);
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.gallery-add {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: var(--card-bg);
}

.add-icon {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--primary-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.add-text {
    font-size: 1rem;
    font-weight: 400;
    letter-spacing: 0.05em;
}

/* ===== Upload Modal ===== */
.upload-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 10000;
    display: none;
}

.upload-modal.active {
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(5px);
    z-index: 1;
}

.modal-content {
    position: relative;
    z-index: 2;
    background: var(--dark-bg);
    border: solid 1px var(--border-color);
    border-radius: var(--radius-lg);
    max-width: 600px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.modal-header {
    padding: var(--spacing-lg);
    border-bottom: solid 1px var(--border-color);
    position: relative;
}

.modal-header h2 {
    font-size: 1.8rem;
    font-weight: 300;
    letter-spacing: 0.075em;
    margin-bottom: var(--spacing-xs);
}

.modal-subtitle {
    font-size: 0.95rem;
    color: var(--text-secondary);
}

.btn-close {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: none;
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
    font-size: 1.5rem;
    cursor: pointer;
    transition: all 0.2s ease-in-out;
    display: flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
}

.btn-close:hover {
    background: var(--accent-pink);
    transform: rotate(90deg);
}

/* ===== Upload Area ===== */
.upload-area {
    padding: var(--spacing-xl);
    text-align: center;
    position: relative;
    min-height: 400px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    border: 2px dashed var(--border-color);
    border-radius: var(--radius-md);
    margin: var(--spacing-lg);
    transition: all 0.2s ease-in-out;
}

.upload-area:hover {
    border-color: var(--accent-pink);
    background: rgba(183, 78, 145, 0.05);
}

.upload-icon {
    font-size: 4rem;
    color: var(--accent-purple);
    margin-bottom: var(--spacing-md);
}

.upload-text {
    font-size: 1.2rem;
    font-weight: 400;
    margin-bottom: var(--spacing-sm);
}

.upload-hint {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

/* ===== Camera Area (with Face Guide) ===== */
#cameraArea {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border-radius: var(--radius-md);
    overflow: hidden;
    background: #000;
    z-index: 10;
}

#cameraVideo {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.face-guide-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    pointer-events: none;
    z-index: 20;
}

.face-guide-circle {
    width: 280px;
    height: 350px;
    border: 3px solid rgba(183, 78, 145, 0.8);
    border-radius: 50%;
    box-shadow: 
        0 0 0 9999px rgba(0, 0, 0, 0.5),
        0 0 20px rgba(183, 78, 145, 0.6),
        inset 0 0 20px rgba(183, 78, 145, 0.3);
    animation: pulse-guide 2s ease-in-out infinite;
}

@keyframes pulse-guide {
    0%, 100% {
        transform: scale(1);
        opacity: 0.8;
    }
    50% {
        transform: scale(1.02);
        opacity: 1;
    }
}

.face-guide-text {
    margin-top: var(--spacing-lg);
    font-size: 1rem;
    color: var(--text-primary);
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.8);
    background: rgba(0, 0, 0, 0.6);
    padding: 0.5rem 1rem;
    border-radius: var(--radius-sm);
}

/* ===== Image Preview ===== */
.image-preview {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    z-index: 15;
}

.image-preview img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
    background: #000;
}

.btn-remove-preview {
    position: absolute;
    top: var(--spacing-sm);
    right: var(--spacing-sm);
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: none;
    background: rgba(0, 0, 0, 0.7);
    color: var(--text-primary);
    font-size: 1.2rem;
    cursor: pointer;
    transition: all 0.2s ease-in-out;
    z-index: 20;
}

.btn-remove-preview:hover {
    background: var(--accent-pink);
    transform: scale(1.1);
}

/* ===== Modal Actions ===== */
.modal-actions {
    padding: var(--spacing-lg);
    border-top: solid 1px var(--border-color);
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    justify-content: center;
    position: relative;
    z-index: 100;
}

.btn-modal-action {
    padding: 0.85rem 1.5rem;
    background: var(--primary-gradient);
    border: none;
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease-in-out;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    box-shadow: 0 4px 15px rgba(183, 78, 145, 0.3);
    position: relative;
    z-index: 101;
}

.btn-modal-action:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(183, 78, 145, 0.4);
}

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

/* Ensure "Use Image" button is always visible and clickable */
.btn-use-image {
    z-index: 10001 !important;
}

/* ===== Loading Overlay ===== */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.9);
    backdrop-filter: blur(5px);
    z-index: 99999;
    display: none;
    align-items: center;
    justify-content: center;
}

.loading-overlay.active {
    display: flex;
}

.loading-spinner {
    text-align: center;
}

.spinner {
    width: 60px;
    height: 60px;
    border: 4px solid rgba(255, 255, 255, 0.1);
    border-top-color: var(--accent-pink);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto var(--spacing-md);
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.loading-spinner p {
    font-size: 1.2rem;
    color: var(--text-primary);
}

/* ===== Responsive Design ===== */
@media (max-width: 980px) {
    .title {
        font-size: 2rem;
    }

    .hedra-container {
        padding: 1rem;
    }

    .top-controls-wrapper {
        gap: 0.75rem;
    }

    .avatar-image-wrapper {
        max-width: 100%;
        height: auto;
        aspect-ratio: 3 / 4;
    }

    .avatar-gallery {
        grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    }

    .sample-text {
        font-size: 1.25rem;
    }

    .avatar-controls-overlay {
        flex-direction: column;
        gap: var(--spacing-xs);
    }

    .avatar-style-select {
        max-width: 100%;
    }
}

@media (max-width: 736px) {
    .title {
        font-size: 1.5rem;
    }

    .hedra-container {
        padding: 0.75rem;
        gap: 1rem;
    }

    .top-controls-wrapper {
        flex-direction: column;
        align-items: stretch;
        gap: 0.75rem;
    }

    .top-left-control,
    .top-right-control {
        flex: 1 1 100%;
    }

    .btn-create-top {
        width: 100%;
        justify-content: center;
    }

    .avatar-container {
        padding: var(--spacing-md) var(--spacing-sm);
    }

    .avatar-gallery {
        grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
        gap: var(--spacing-sm);
    }

    .sample-text {
        font-size: 1rem;
    }

    .face-guide-circle {
        width: 220px;
        height: 280px;
    }
}

@media (max-width: 480px) {
    .title {
        font-size: 1.25rem;
        flex-direction: column;
        gap: var(--spacing-xs);
    }

    .beta-badge {
        font-size: 0.6rem;
        padding: 0.25rem 0.6rem;
    }

    .hedra-container {
        padding: 0.5rem;
    }

    .btn-create-top {
        font-size: 0.85rem;
        padding: 0.65rem 1.25rem;
    }

    .sample-text {
        font-size: 0.9rem;
        padding: 1rem;
    }

    .avatar-controls-overlay {
        padding: var(--spacing-sm);
    }

    .btn-create-avatar {
        width: 100%;
        justify-content: center;
    }

    .face-guide-circle {
        width: 180px;
        height: 230px;
    }

    .modal-content {
        width: 95%;
    }

    .chat-input-row {
        flex-direction: column;
        align-items: stretch;
        gap: 0.5rem;
    }

    .btn-style-label {
        width: 100%;
        text-align: center;
    }
}