@charset "utf-8";

/* CSS Variables for consistent theming */
:root {
    --primary-blue: #1e5a8b;
    --secondary-blue: #3b82c4;
    --accent-blue: #60a5fa;
    --gradient-blue: linear-gradient(135deg, #dbf6ff 0%, #96daff 100%);
    --neutral-50: #f8fafc;
    --neutral-100: #f1f5f9;
    --neutral-200: #e2e8f0;
    --neutral-300: #cbd5e1;
    --neutral-400: #94a3b8;
    --neutral-500: #64748b;
    --neutral-600: #475569;
    --neutral-700: #334155;
    --neutral-800: #1e293b;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
}

/* Base Styles */
body {
    font-family: 'Pretendard Variable', Pretendard, sans-serif;
    background-color: var(--neutral-50);
    color: var(--neutral-700);
}

p {
    margin: 0;
    padding: 0;
}

input {
    padding: 0;
    font-family: 'Pretendard Variable', Pretendard, sans-serif;
}

#wrapper {
    width: 100%;
    min-height: 100vh;
    background-color: var(--neutral-50);
}

.container {
    max-width: 600px;
    margin: 40px auto;
    padding: 50px 40px;
    background: white;
    border-radius: 16px;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--neutral-200);
    position: relative;
}

@media (max-width: 768px) {
    .container {
        margin: 30px 20px;
        padding: 40px 24px;
    }
}

.container h2 {
    text-align: center;
    margin-bottom: 40px;
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-blue);
}

.container > div > div {
    margin-bottom: 28px;
}

.container > div > div > p {
    font-size: 15px;
    color: var(--neutral-700);
    margin-bottom: 8px;
    font-weight: 600;
}

.container > div > div > label > input,
.container > div > div > label > select {
    width: 100%;
    font-size: 15px;
    height: 48px;
    border: 2px solid var(--neutral-200);
    border-radius: 10px;
    padding: 0 16px;
    box-sizing: border-box;
    background-color: white;
    color: var(--neutral-800);
    transition: all 0.2s ease;
}

.container > div > div > label > input:focus,
.container > div > div > label > select:focus {
    outline: none;
    border-color: var(--accent-blue);
    box-shadow: 0 0 0 3px rgba(96, 165, 250, 0.1);
}

.container > div > div > label > input::placeholder {
    color: var(--neutral-400);
}

.container > div > div > label > select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2364748b' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
    padding-right: 40px;
}

.container > div > div > label > select:focus {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%231e5a8b' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
}

#needId,
#needPsw,
#needRePsw,
#needEmail {
    color: #dc2626;
    font-size: 13px;
    margin-top: 6px;
    display: none; /* 기본적으로 숨김, 사용자가 입력 시작 시에만 표시 */
}

#needId {
    margin: 6px 0 0 0;
}

#overlap {
    margin-top: 8px;
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--secondary-blue) 100%);
    color: white;
    border: none;
    cursor: pointer;
    padding: 8px 16px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-sm);
}

#overlap:hover:not(:disabled) {
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
    background: linear-gradient(135deg, var(--secondary-blue) 0%, var(--accent-blue) 100%);
}

#overlap:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.repsw {
    margin-bottom: 8px;
}

#same {
    display: none;
    height: 20px;
    font-size: 14px;
    margin-left: 5px;
    color: #059669;
    margin-top: 6px;
}

.userName {
    margin-top: 32px;
}

#submit {
    width: 100%;
    height: 52px;
    border: none;
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--secondary-blue) 100%);
    color: white;
    font-size: 16px;
    font-weight: 600;
    font-family: 'Pretendard Variable', Pretendard, sans-serif;
    margin-bottom: 20px;
    cursor: pointer;
    border-radius: 12px;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-md);
}

#submit:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    background: linear-gradient(135deg, var(--secondary-blue) 0%, var(--accent-blue) 100%);
}

#submit:active:not(:disabled) {
    transform: translateY(0);
}

#submit:disabled {
    cursor: not-allowed;
    opacity: 0.6;
    background: var(--neutral-300);
}

/* File input styling */
input[type="file"] {
    border: 2px dashed var(--neutral-200);
    border-radius: 10px;
    padding: 12px;
    background-color: var(--neutral-50);
    cursor: pointer;
    transition: all 0.2s ease;
    width: 100%;
    box-sizing: border-box;
}

input[type="file"]:hover {
    border-color: var(--accent-blue);
    background-color: var(--neutral-100);
}

.file-input-hint {
    font-size: 13px;
    color: var(--neutral-500);
    margin-top: 8px;
}

/* Profile image preview */
#profileImagePreview {
    margin-top: 16px;
    text-align: center;
    display: none;
}

#profileImagePreview img {
    max-width: 150px;
    max-height: 150px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid var(--neutral-200);
    box-shadow: var(--shadow-md);
}