:root {
    --bg-color: #f8f9fa;
    --container-bg: #ffffff;
    --text-primary: #212529;
    --text-secondary: #6c757d;
    --btn-bg: #ff6b6b;
    --btn-hover: #ee5253;
    --shadow: rgba(0, 0, 0, 0.08);
    --accent: #54a0ff;
}

[data-theme="dark"] {
    --bg-color: #121212;
    --container-bg: #1e1e1e;
    --text-primary: #f1f3f5;
    --text-secondary: #adb5bd;
    --btn-bg: #ff4757;
    --btn-hover: #ff6b81;
    --shadow: rgba(0, 0, 0, 0.4);
    --accent: #2e86de;
}

body {
    font-family: 'Noto Sans KR', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-primary);
    display: flex;
    justify-content: center;
    align-items: flex-start;
    min-height: 100vh;
    margin: 0;
    padding: 60px 0;
    transition: all 0.3s ease;
}

.container {
    position: relative;
    text-align: center;
    background-color: var(--container-bg);
    padding: 40px;
    border-radius: 20px;
    box-shadow: 0 15px 35px var(--shadow);
    max-width: 600px;
    width: 90%;
}

#theme-toggle {
    position: absolute;
    top: 20px;
    right: 20px;
    background: none;
    border: 1px solid var(--text-secondary);
    color: var(--text-secondary);
    border-radius: 30px;
    padding: 6px 15px;
    cursor: pointer;
    font-size: 0.85rem;
}

h1 {
    font-size: 2.2rem;
    margin-bottom: 5px;
}

.subtitle {
    color: var(--text-secondary);
    margin-bottom: 30px;
}

#image-preview-container {
    margin: 20px auto;
    border-radius: 15px;
    overflow: hidden;
    width: 300px;
    height: 300px;
    background-color: #f1f3f5;
    border: 2px dashed var(--text-secondary);
    display: flex;
    justify-content: center;
    align-items: center;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
    position: relative;
}

#face-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

#placeholder-text {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

#label-container {
    margin: 20px 0;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.result-bar-container {
    display: flex;
    align-items: center;
    gap: 15px;
}

.label-name {
    width: 80px;
    font-weight: bold;
    text-align: right;
}

.progress-bar {
    flex-grow: 1;
    height: 20px;
    background-color: #e9ecef;
    border-radius: 10px;
    overflow: hidden;
}

.progress {
    height: 100%;
    background: linear-gradient(90deg, #ff6b6b, #ff9f43);
    width: 0%;
    transition: width 0.2s ease;
}

.probability {
    width: 50px;
    font-size: 0.9rem;
    color: var(--accent);
    font-weight: bold;
}

#upload-btn {
    background-color: var(--btn-bg);
    color: white;
    border: none;
    padding: 15px 40px;
    font-size: 1.1rem;
    font-weight: bold;
    border-radius: 50px;
    cursor: pointer;
    margin-top: 10px;
    transition: transform 0.2s;
}

#upload-btn:hover {
    transform: scale(1.05);
    background-color: var(--btn-hover);
}

.divider {
    border: 0;
    height: 1px;
    background: var(--text-secondary);
    opacity: 0.15;
    margin: 50px 0 30px;
}

.contact-section h2 { font-size: 1.5rem; margin-bottom: 20px; }
#contact-form { display: flex; flex-direction: column; gap: 12px; }
.form-group input, .form-group textarea {
    width: 100%; padding: 12px; border: 1px solid var(--text-secondary); border-radius: 10px;
    background-color: var(--container-bg); color: var(--text-primary); box-sizing: border-box;
}
#submit-btn {
    background-color: #2ecc71; color: white; border: none; padding: 12px;
    border-radius: 10px; font-weight: bold; cursor: pointer;
}