/* 로그인 관련 페이지 공통 스타일 */
/* 적용 대상: login_form.php, digitalDrawing/login.php, schedule/login.php, register.php, password_reset_request.php */

/* 어두운 그라데이션 배경 */
.login-bg {
    background: linear-gradient(135deg, #1f2937 0%, #111827 100%);
    min-height: 100vh;
}

/* 흰색 카드 */
.login-card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: 1.5rem; /* rounded-3xl */
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25); /* shadow-2xl */
    padding: 2rem; /* p-8 */
    width: 100%;
    max-width: 28rem; /* max-w-md */
}

/* 아이콘 박스 */
.login-icon-box {
    width: 5rem; /* w-20 */
    height: 5rem; /* h-20 */
    border-radius: 1rem; /* rounded-2xl */
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

/* 입력 필드 */
.login-input {
    width: 100%;
    padding: 1rem; /* py-4 px-4 */
    border: 1px solid #d1d5db; /* border-gray-300 */
    border-radius: 0.75rem; /* rounded-xl */
    font-size: 1.125rem; /* text-lg */
    line-height: 1.75rem;
    transition: all 0.2s;
    background: white;
    color: #1f2937;
}

.login-input:focus {
    outline: none;
    border-color: #8b5cf6;
    box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.15);
}

.login-input::placeholder {
    color: #9ca3af;
}

/* 셀렉트 필드 (회원가입용) */
.login-select {
    width: 100%;
    padding: 1rem;
    border: 1px solid #d1d5db;
    border-radius: 0.75rem;
    font-size: 1.125rem;
    line-height: 1.75rem;
    transition: all 0.2s;
    background: white;
    color: #1f2937;
    appearance: auto;
}

.login-select:focus {
    outline: none;
    border-color: #8b5cf6;
    box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.15);
}

/* 로그인 버튼 (그라데이션) */
.login-btn {
    width: 100%;
    padding: 1rem;
    border-radius: 0.75rem;
    font-weight: 700;
    font-size: 1.125rem;
    color: white;
    border: none;
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.login-btn:hover {
    filter: brightness(1.1);
    transform: translateY(-1px);
    box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.3);
}

.login-btn:active {
    transform: scale(0.98);
}

.login-btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none;
}

/* 에러 메시지 */
.login-error {
    background-color: #fef2f2;
    border: 1px solid #fecaca;
    color: #dc2626;
    padding: 0.75rem 1rem;
    border-radius: 0.75rem;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
}

/* 성공 메시지 */
.login-success {
    background-color: #f0fdf4;
    border: 1px solid #bbf7d0;
    color: #16a34a;
    padding: 0.75rem 1rem;
    border-radius: 0.75rem;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
}

/* 구분선 ("또는") */
.login-divider {
    position: relative;
    margin: 1.5rem 0;
}

.login-divider::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 1px;
    background-color: #e5e7eb;
}

.login-divider span {
    position: relative;
    background: rgba(255, 255, 255, 0.95);
    padding: 0 0.75rem;
    color: #9ca3af;
    font-size: 0.875rem;
    display: inline-block;
    left: 50%;
    transform: translateX(-50%);
}

/* 보조 버튼 (회원가입 등) */
.login-secondary-btn {
    width: 100%;
    padding: 0.875rem;
    border-radius: 0.75rem;
    font-weight: 600;
    font-size: 1rem;
    border: 2px solid #d1d5db;
    background: rgba(255, 255, 255, 0.5);
    color: #374151;
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    text-decoration: none;
}

.login-secondary-btn:hover {
    background: rgba(255, 255, 255, 0.8);
    border-color: #9ca3af;
}

/* 하단 링크 */
.login-footer-link {
    color: #9ca3af;
    font-size: 0.875rem;
    text-decoration: none;
    transition: color 0.2s;
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
}

.login-footer-link:hover {
    color: #d1d5db;
}

/* 텍스트 링크 (비밀번호 찾기 등) */
.login-text-link {
    color: #8b5cf6;
    font-size: 0.875rem;
    text-decoration: none;
    transition: color 0.2s;
}

.login-text-link:hover {
    color: #7c3aed;
}

/* 라벨 */
.login-label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    color: #374151;
    margin-bottom: 0.5rem;
}

.login-label i {
    margin-right: 0.5rem;
    color: #9ca3af;
}

/* 애니메이션 */
.fade-in {
    animation: fadeIn 0.3s ease-in;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}

.shake {
    animation: shake 0.5s ease-in-out;
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-5px); }
    75% { transform: translateX(5px); }
}