@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@400;500;600&display=swap');

:root {
    --primary-text: #222;
    --secondary-text: #666;
    --accent-color: #007bff;
    --accent-hover-color: #0056b3;
    --background-color: #f8f9fa; /* 기본 배경색 변경 */
    --form-bg-color: #fff;
    --border-color: #eee;
}

body {
    font-family: 'Poppins', sans-serif;
    background-color: var(--background-color);
    color: var(--primary-text);
    line-height: 1.6;
    margin: 0;
}

.form-signin-wrapper {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: calc(100vh - 200px); /* 헤더, 푸터 높이를 제외한 대략적인 높이 */
    padding: 40px 20px;
}

.form-card {
    width: 100%;
    max-width: 420px;
    background-color: var(--form-bg-color);
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    text-align: center;
}

.form-card h2 {
    font-size: 2rem;
    font-weight: 600;
    margin-bottom: 10px;
    color: var(--primary-text);
}

.form-card .sub-text {
    font-size: 1rem;
    color: var(--secondary-text);
    margin-bottom: 30px;
}

.input-group {
    margin-bottom: 20px;
    text-align: left;
}

.input-group input {
    width: 100%;
    padding: 14px 16px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
    box-sizing: border-box;
    transition: border-color 0.3s, box-shadow 0.3s;
}

.input-group input:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(0, 123, 255, 0.15);
}

.btn-signin {
    width: 100%;
    padding: 15px;
    background-color: var(--accent-color);
    color: #fff;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.3s;
}

.btn-signin:hover {
    background-color: var(--accent-hover-color);
}

.form-link {
    text-align: center;
    margin-top: 25px;
    font-size: 0.9rem;
}

.form-link a {
    color: var(--accent-color);
    font-weight: 500;
    text-decoration: none;
}

.form-link a:hover {
    text-decoration: underline;
}

.field-error {
    color: #dc3545;
    font-size: 0.875em;
    margin-top: 5px;
    text-align: left;
}
.global-error {
    color: #dc3545;
    background-color: #f8d7da;
    border: 1px solid #f5c6cb;
    border-radius: 8px;
    padding: 12px;
    margin-bottom: 20px;
    text-align: center;
}