@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);
}

a {
    color: var(--neutral-700);
    text-decoration: none;
    transition: color 0.2s ease;
}

a:hover {
    color: var(--primary-blue);
}

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

.container {
    max-width: 500px;
    margin: 60px auto;
    padding: 40px;
    background: white;
    border-radius: 16px;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--neutral-200);
    position: relative;
}

@media (max-width: 640px) {
    .container {
        margin: 40px 20px;
        padding: 30px 24px;
    }
}

.container .back-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    position: absolute;
    top: 20px;
    left: 20px;
    background: var(--neutral-100);
    border: 2px solid var(--neutral-200);
    border-radius: 10px;
    font-size: 18px;
    cursor: pointer;
    color: var(--neutral-700);
    transition: all 0.3s ease;
}

.container .back-button:hover {
    background: var(--gradient-blue);
    border-color: var(--accent-blue);
    color: var(--primary-blue);
    transform: translateX(-2px);
}

.container h2 {
    text-align: center;
    margin-bottom: 40px;
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-blue);
    margin-top: 10px;
}

.container .id,
.container .psw {
    font-size: 15px;
    line-height: 1.5;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--neutral-700);
}

.container #putId,
.container #putPsw,
.container #userName,
.container #userEmail,
.container #loginId,
.container #newPassword,
.container #confirmPassword {
    width: 100%;
    border: 2px solid var(--neutral-200);
    border-radius: 10px;
    padding: 14px 16px;
    font-size: 15px;
    font-family: 'Pretendard Variable', Pretendard, sans-serif;
    color: var(--neutral-800);
    background-color: white;
    transition: all 0.2s ease;
    box-sizing: border-box;
}

.container #putId:focus,
.container #putPsw:focus,
.container #userName:focus,
.container #userEmail:focus,
.container #loginId:focus,
.container #newPassword:focus,
.container #confirmPassword:focus {
    outline: none;
    border-color: var(--accent-blue);
    box-shadow: 0 0 0 3px rgba(96, 165, 250, 0.1);
}

.container #putId::placeholder,
.container #putPsw::placeholder,
.container #userName::placeholder,
.container #userEmail::placeholder,
.container #loginId::placeholder,
.container #newPassword::placeholder,
.container #confirmPassword::placeholder {
    color: var(--neutral-400);
}

.container #putId {
    margin-bottom: 24px;
}

.container #putPsw {
    margin-bottom: 16px;
}

.container > div > div {
    margin-bottom: 24px;
}

.container > div > div:last-of-type {
    margin-bottom: 0;
}

.container .check {
    font-size: 14px;
    margin-bottom: 32px;
    color: var(--neutral-600);
}

.container .check > div {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.container .check > div > label {
    display: flex;
    align-items: center;
    gap: 6px;
    cursor: pointer;
    user-select: none;
}

.container .check > div > label > input[type="checkbox"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
    accent-color: var(--primary-blue);
}

.container button {
    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: 24px;
    cursor: pointer;
    border-radius: 12px;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-md);
}

.container button:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    background: linear-gradient(135deg, var(--secondary-blue) 0%, var(--accent-blue) 100%);
}

.container button:active {
    transform: translateY(0);
}

.container .aboutLogin {
    display: flex;
    gap: 12px;
    justify-content: center;
    font-size: 14px;
    margin-bottom: 0;
    flex-wrap: wrap;
}

.container .aboutLogin a {
    color: var(--neutral-500);
    transition: color 0.2s ease;
}

.container .aboutLogin a:hover {
    color: var(--primary-blue);
}

.container .aboutLogin a p {
    display: block;
    line-height: 1.5;
    text-align: center;
    margin: 0;
}

.container .aboutLogin a p::after {
    content: '';
    display: inline-block;
    width: 1px;
    height: 12px;
    margin-left: 12px;
    background-color: var(--neutral-300);
    vertical-align: middle;
}

.container .aboutLogin .newPsw::after {
    content: none;
}

/* Error and Success Messages */
#errorMessage {
    color: #dc2626;
    font-size: 14px;
    margin-top: 12px;
    padding: 10px 14px;
    background-color: #fef2f2;
    border: 1px solid #fecaca;
    border-radius: 8px;
    display: none;
}

#successMessage {
    color: #059669;
    font-size: 14px;
    margin-top: 12px;
    padding: 10px 14px;
    background-color: #f0fdf4;
    border: 1px solid #bbf7d0;
    border-radius: 8px;
    display: none;
}

/* 소셜 로그인 스타일 */
.social-divider {
    display: flex;
    align-items: center;
    text-align: center;
    margin: 32px 0 24px;
    color: var(--neutral-500);
    font-size: 14px;
}

.social-divider::before,
.social-divider::after {
    content: '';
    flex: 1;
    border-bottom: 1px solid var(--neutral-300);
}

.social-divider span {
    padding: 0 16px;
}

.social-login {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 24px;
}

.social-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    width: 100%;
    height: 52px;
    border: 2px solid var(--neutral-200);
    border-radius: 12px;
    font-size: 15px;
    font-weight: 600;
    font-family: 'Pretendard Variable', Pretendard, sans-serif;
    text-decoration: none;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-sm);
    background: white;
}

.social-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    border-color: var(--neutral-300);
}

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

.kakao-btn {
    color: #3C1E1E;
    background: #FEE500;
    border-color: #FEE500;
}

.kakao-btn:hover {
    background: #FDD835;
    border-color: #FDD835;
}

.google-btn {
    color: var(--neutral-700);
    background: white;
}

.google-btn:hover {
    background: var(--neutral-50);
    border-color: var(--neutral-300);
}

.social-btn svg {
    flex-shrink: 0;
}